{"title":"Robotics \u0026 CNC","description":"\u003cp\u003eBrowse our Robotics \u0026amp; CNC collection. New Arrival.\u003c\/p\u003e","products":[{"product_id":"mini-pan-tilt-kit-assembled-with-micro-servos","title":"Mini Pan-Tilt Kit - Assembled with Micro Servos","description":"\u003cp\u003e\u003cstrong\u003eThis Pan-Tilt Servo Kit provides smooth two-axis movement for cameras, sensors, and other lightweight payloads, with two included micro servos and a fully assembled mount ready for robotics and automation projects.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThis fully-assembled \u003cstrong\u003epan-tilt kit\u003c\/strong\u003e is the perfect way to give your project full range motion with \u003cstrong\u003etwo micro servos\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe pan-tilt can rotate roughly \u003cstrong\u003e180°\u003c\/strong\u003e from side-to-side and can tilt upwards and downwards around \u003cstrong\u003e150°\u003c\/strong\u003e.  It also comes fully assembled with two Micro Servos (\u003cstrong\u003eSG-90\u003c\/strong\u003e or \u003cstrong\u003eSG-92\u003c\/strong\u003e type) included and a \u003cstrong\u003e38mm x 36mm\u003c\/strong\u003e space to mount a camera or sensor or whatever you like.\u003c\/p\u003e\n\u003cp\u003eSince the motors are plain, every-day analogue servos, you can use any microcontroller or driver. They're good for beginners who want to make stuff move and the pan-tilt is an easy way to give whatever you're making both left-right and up-down motion. In our demo, we hooked this up with a Trinket Pro and made it do a little dance with the Arduino Servo library.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e White servo horn comes pre-cut. Breadboard, wires and controller not included. \u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/-kwvbVM9qM0?si=PQNkgYReq6jnT_Qh\u0026amp;start=131\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully assembled pan-tilt kit with two included micro servos (SG-90 or SG-92)\u003c\/li\u003e\n\u003cli\u003e180° horizontal pan rotation\u003c\/li\u003e\n\u003cli\u003e150° vertical tilt motion\u003c\/li\u003e\n\u003cli\u003eCompatible with any microcontroller or servo driver\u003c\/li\u003e\n\u003cli\u003e38mm x 36mm mounting space for cameras, sensors, or custom payloads\u003c\/li\u003e\n\u003cli\u003eStandard analogue servo motors for easy control\u003c\/li\u003e\n\u003cli\u003eBeginner-friendly with Arduino Servo library support\u003c\/li\u003e\n\u003cli\u003eReady to use out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBase: 37mm x 33mm x 3mm\u003c\/li\u003e\n\u003cli\u003eMounting Hole Distances: 30mm x 26mm\u003c\/li\u003e\n\u003cli\u003eStanding Height (zero tilt): 67mm\u003c\/li\u003e\n\u003cli\u003eTop Platform: 38mm x 36mm\u003c\/li\u003e\n\u003cli\u003eWeight: 37g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino servo library\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Mini Pan-Tilt Kit - Assembled with Micro Servos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBreadboard, wires and controller not included. \u003c\/strong\u003e\u003c\/p\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53636115923237,"sku":"uwb1787257196190","price":12.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/mini-pan-tilt-kit---assembled-with-micro-servos_1.jpg?v=1787257204"},{"product_id":"adafruit-16-channel-12-bit-pwmservo-driver-i2c-interface-pca9685","title":"Adafruit 16-Channel 12-bit PWM\/Servo Driver - I2C interface (PCA9685)","description":"\u003cp\u003eYou want to make a cool robot, maybe a hexapod walker, or maybe just a piece of art with a lot of moving parts. Or maybe you want to drive a lot of LEDs with precise PWM output. Then you realize that your microcontroller has a limited number of PWM outputs! What now? You could give up OR you could just get this handy PWM and Servo driver breakout.\u003cbr\u003e\u003cbr\u003eWhen we saw this chip, we quickly realized what an excellent add-on this would be. \u003cstrong\u003eUsing only two pins, control 16 free-running PWM outputs!\u003c\/strong\u003e You can even chain up 62 breakouts to control up to 992 PWM outputs (which we would really like to see since it would be glorious)\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIt's an i2c-controlled PWM driver with a built in clock. That means that, unlike the TLC5940 family, you do not need to continuously send it signal tying up your microcontroller, its completely free running!\u003c\/li\u003e\n\u003cli\u003eIt is 5V compliant, which means you can control it from a 3.3V microcontroller and still safely drive up to 6V outputs (this is good for when you want to control white or blue LEDs with 3.4+ forward voltages)\u003c\/li\u003e\n\u003cli\u003e6 address select pins so you can wire up to 62 of these on a single i2c bus, a total of 992 outputs - that's a lot of servos or LEDs\u003c\/li\u003e\n\u003cli\u003eAdjustable frequency PWM up to about 1.6 KHz\u003c\/li\u003e\n\u003cli\u003e12-bit resolution for each output - for servos, that means about 4us resolution at 60Hz update rate\u003c\/li\u003e\n\u003cli\u003eConfigurable push-pull or open-drain output\u003c\/li\u003e\n\u003cli\u003eOutput enable pin to quickly disable all the outputs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWe wrapped up this lovely chip into a breakout board with a couple nice extras\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTerminal block for power input (or you can use the 0.1\" breakouts on the side)\u003c\/li\u003e\n\u003cli\u003eReverse polarity protection on the terminal block input. The terminal block included with your product may be blue or black.\u003c\/li\u003e\n\u003cli\u003eGreen power-good LED\u003c\/li\u003e\n\u003cli\u003e3 pin connectors in groups of 4 so you can plug in 16 servos at once (Servo plugs are \u003cem\u003eslightly\u003c\/em\u003e wider than 0.1\" so you can only stack 4 next to each other on 0.1\" header\u003c\/li\u003e\n\u003cli\u003e\"Chain-able\" design\u003c\/li\u003e\n\u003cli\u003eA spot to place a big capacitor on the V+ line (in case you need it)\u003c\/li\u003e\n\u003cli\u003e220 ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial\u003c\/li\u003e\n\u003cli\u003eSolder jumpers for the 6 address select pins\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis product comes with a fully tested and assembled breakout as well as 4 pieces of 3x4 male straight header (for servo\/LED plugs), a 2-pin terminal block (for power) and a piece of 6-pin 0.1\" header (to plug into a breadboard). A little light soldering will be required to assemble and customize the board by attaching the desired headers but it is a 15 minute task that even a beginner can do. If you want to use right-angle 3x4 headers, we also carry a 4 pack in the shop.\u003cbr\u003e\u003cbr\u003eCheck out our tutorial with CircuitPython \u0026amp; Arduino libraries\/examples, wiring diagrams, schematics, Fritzing and more! \u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions (no headers or terminal block) 2.5\" x 1\" x 0.1\" (62.5mm x 25.4mm x 3mm)\u003c\/li\u003e\n\u003cli\u003eWeight (no headers or terminal block): 5.5grams\u003c\/li\u003e\n\u003cli\u003eWeight (with 3x4 headers \u0026amp; terminal block): 9grams\u003c\/li\u003e\n\u003cli\u003eThis board\/chip uses I2C 7-bit address between 0x40-0x7F, selectable with jumpers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDatasheets, EagleCAD PCB files, Fritzing object and more in the tutorial!\u003c\/p\u003e\n\u003cp\u003eRevision History:\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eAs of Feb 16, 2015 we now use a much beefier polarity-protection transistor. Functionality is otherwise the same\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e \u003c\/div\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53636130570533,"sku":"fhf1787257464469","price":10.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/adafruit-16-channel-12-bit-pwmservo-driver---i2c-interface-pca9685_1.jpg?v=1787257473"},{"product_id":"slip-ring-with-flange-22mm-diameter-6-wires-max-240v-2a","title":"Slip Ring with Flange - 22mm diameter, 6 wires, max 240V @ 2A","description":"\u003cp\u003eWith a slip ring assembly, your electronics can now twist and turn safely. Add wheel encoders, 360 degree sensors, rotating LEDs, rotors and more! We've seen a lot of people DIY slip ring's out of desperation but no longer, simply pick up one of these to solve any rotation needs you have.\u003cbr\u003e\u003cbr\u003eInside the plastic tube is a gold plated slip ring for 6 wires. There are six color coded wire sets made of 26 AWG and no matter how you twist the assembly, they will remain in continuity. Each of the wire sets can carry up to 2A at up to 240VAC or 240VDC. There's a 44mm (1.7\") diameter flange with mounting holes to make it easy to attach or you can cut it off with a hacksaw and drill\/machine as you wish it seems to just be ABS plastic. Rated to rotate up to 300 RPM (but you can probably go faster if you don't mind a reduced life and\/or noise).\u003c\/p\u003e\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e Wire colors may vary.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e\n\u003cul\u003e \u003cli\u003eRated voltage: 240VAC\/240VDC\u003c\/li\u003e \u003cli\u003eRated current: 2 Amp\u003c\/li\u003e \u003cli\u003e6 x 6\" long 26 AWG wires\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCheck out the datasheet for the SRC022A-6 for all specifications\u003c\/p\u003e\n\u003c\/div\u003e \u003c\/div\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003cdiv class=\"row\"\u003e\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\u003c\/div\u003e \u003c\/div\u003e","brand":"The Pi Hut","offers":[{"title":"Default Title","offer_id":53636130603301,"sku":"cta1787257465494","price":10.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/slip-ring-with-flange---22mm-diameter-6-wires-max-240v-2a_1.jpg?v=1787257474"},{"product_id":"silicone-tubing-for-peristaltic-liquid-pump-1-meter","title":"Silicone Tubing for Peristaltic Liquid Pump - 1 Meter","description":"\u003cp\u003eMove fluid from here to there with this very nice elastomeric silicone tubing, specifically for our peristaltic pumps. It's one meter long and fully silicone with the correct diameter to give great peristaltic performance.\u003cbr\u003e\u003cbr\u003eThis silicone tubing is not sterile and might get a lil' dirty on its way to you. So, before first use, we recommend it be sterilized by boiling in water, etc! The tubing is neither FDA nor USDA-compliant certified. If you need FDA\/USDA-certified tubing for use with your food-hacking project, check out McMaster-Carr. They have many types of silicone tubing available!\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWikipedia has a great article on peristaltic pumps. Please check it out for more details on how these devices work!\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube length\u003c\/strong\u003e: 1 meter \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube diameter\u003c\/strong\u003e: 2.5mm (internal diameter) \/ 4.7mm (external diameter)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"The Pi Hut","offers":[{"title":"Default Title","offer_id":53636156752165,"sku":"atu1787257761178","price":2.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/silicone-tubing-for-peristaltic-liquid-pump---1-meter_1.jpg?v=1787257770"},{"product_id":"tt-motor-200rpm-3-6v","title":"TT Motor - 200RPM 3-6V","description":"\u003cp\u003eThese durable plastic gearbox 'TT' Motors are an easy, low-cost option for your next robotics project.\u003c\/p\u003e\n\u003cp\u003eThese motors have a 1:48 ratio and come with ~200mm wires pre-fitted with male jumper wire ends (2.54mm) which makes them perfect for use in a breadboard (or with female sockets on your motor driver).\u003c\/p\u003e\n\u003cp\u003eThese motors can handle anything between 3V and 6V, with 6V offering the fastest speeds. They will draw up to ~1.5A when \u003cem\u003estalled\u003c\/em\u003e at 6V (the top end of the range) so make sure your motor driver can handle that.\u003c\/p\u003e\n\u003cp\u003eThese are basic motors designed for beginners and simple projects. Simplicity and affordability is the name of the game here, so there's no speed control. encoders or anything advanced - simply add voltage and GO! You may also see some variation in speed from motor to motor, as the tolerance is a little wider on these affordable motors.\u003c\/p\u003e\n\u003cp\u003eA good motor driver for these is the DRV8833 as it works at 3V levels and can be set up with current limiting (good for that 1.5A peak draw).\u003c\/p\u003e\n\u003cp\u003eWe have lots of TT motor accessories, wheels and extras in our robotics section!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e\n\u003cul\u003e\n\u003cli\u003eRated Voltage: 3~6V\u003c\/li\u003e\n\u003cli\u003eContinuous No-Load Current: 150mA +\/- 10%\u003c\/li\u003e\n\u003cli\u003eMin. Operating Speed (3V): 90+\/- 10% RPM\u003c\/li\u003e\n\u003cli\u003eMin. 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But we've noticed that there are not a lot of nice TT motor \u003cem\u003ewheels \u003c\/em\u003eto go along with them.\u003c\/p\u003e\u003cp\u003eThis \u003cstrong\u003eTT DC Motor Wheel \u003c\/strong\u003eis solid, but thin, so it won't make your robot bulky. It even comes in Adafruit black! Each order comes with one wheel, one silicone tire, and a small Phillips screw to make connecting super quick and easy. Despite looking just like our continuous rotation servo wheel, this wheel is \u003cstrong\u003eonly for use with 'TT' gearbox DC motors!\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e\u003cul\u003e\n\u003cli\u003eDiameter without rubber tire: 55.9mm \/ 2.2\"\u003c\/li\u003e\n\u003cli\u003eDiameter with rubber tire: 59.8mm \/ 2.3\"\u003c\/li\u003e\n\u003cli\u003eWeight with rubber tire: 11.7g \/ 0.4oz\u003c\/li\u003e\n\u003cli\u003eScrew length: 8.6mm \/ 0.3\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e \u003c\/div\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53636162683173,"sku":"eja1787257912944","price":1.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/skinny-wheel-for-tt-dc-gearbox-motors_1.jpg?v=1787257921"},{"product_id":"tt-motor-bi-metal-gearbox-190-gear-ratio","title":"TT Motor Bi-Metal Gearbox - 1:90 Gear Ratio","description":"\u003cp\u003eThese durable (but affordable!) gearbox motors (also known as 'TT' motors) are an easy, low-cost way to get your projects moving. This is a \u003cstrong\u003eTT DC Bi-Metal Gearbox Motor\u003c\/strong\u003e with a gear ratio of \u003cstrong\u003e1:90\u003c\/strong\u003e about \u003cstrong\u003edouble\u003c\/strong\u003e of the 'standard' 1:48 ratio. That gives them higher torque but slower rotational speed. Since they're slower they're good for robots where strength is more important than speed.\u003c\/p\u003e\u003cp\u003eThey look a lot like our yellow all-plastic-gearbox motors but these have the output-half of the motor gears machined from steel, so they won't strip as easily, and they're twice as slow (and twice as powerful) given their lower gearbox ratio. The metal gears also mean they're louder when running.\u003c\/p\u003e\u003cp\u003eYou can power these motors with 3VDC up to 6VDC, they'll of course go a little faster at the higher voltages. We grabbed one motor and found these stats when running it from a bench-top supply\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAt \u003cstrong\u003e3VDC\u003c\/strong\u003e we measured 80mA @ 60 RPM no-load, and 0.5 Amps when stalled\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e4.5VDC\u003c\/strong\u003e we measured 90mA @ 90 RPM no-load, and 0.8 Amps when stalled\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e6VDC\u003c\/strong\u003e we measured 100mA @ 120 RPM no-load, and 1.0 Amps when stalled\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote that these are very basic motors, and have no built-in encoders, speed control or positional feedback. Voltage goes in, rotation goes out! There will be variation from motor to motor, so a separate feedback system is required if you need precision movement.\u003c\/p\u003e\u003cp\u003eComes 1 x per order, with just the motor. These motors \u003cem\u003edo not\u003c\/em\u003e come with wires attached, so you'll need to solder wires on yourself.\u003c\/p\u003e\u003cp\u003eYou \u003cem\u003ecannot\u003c\/em\u003e drive these directly from a microcontroller, \u003cstrong\u003ea high-current motor driver is required\u003c\/strong\u003e! We recommend our DRV8833 motor driver for these motors, as it works well down to 3V and can be set up with current limiting since the stall current on these can get high. The TB6612 can also be used, it's on our shields and wings, but you'll need to supply at least 4.5V - which is what you'll likely want to run these motors at anyhow!\u003c\/p\u003e\u003cp\u003eWe have a range of wheels, add-ons and accessories for these motors so you can bling out your bot just the way you like.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cp\u003eDimensions (excluding shaft): 70 x 22 x  22mm\u003c\/p\u003e\n\u003cp\u003eProduct Weight: 34.6g \/ 1.2oz \u003c\/p\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53636162715941,"sku":"lim1787257914616","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/tt-motor-bi-metal-gearbox---190-gear-ratio_1.jpg?v=1787257923"},{"product_id":"purple-aluminum-chassis-for-tt-motors-2wd","title":"Purple Aluminum Chassis for TT Motors - 2WD","description":"\u003cp\u003eThis royal undercarriage is made for the most noble, born in the purple robots! This \u003cstrong\u003eAluminum Chassis\u003c\/strong\u003e in Blinka purple makes for an excellent robot body. It's a single piece of bent 2mm thick aluminum, with a variety of holes, slots and cutouts for mounting boards, sensors, and servos. The sides are notched to fit two DC Gear 'TT' motors perfectly - you'll want to get four M3 or 4-40 screws in about 24mm\/1.0\" to mount the motors. In the front you can screw on a ball caster. You can build a very sturdy (and quite handsome!) little robot rover with this metal frame.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIt's made of aluminum so it's light and strong\u003c\/li\u003e\n\u003cli\u003eThe anodizing is quite attractive to boot\u003c\/li\u003e\n\u003cli\u003eCan be used to build a 2-wheel or 4-wheel robot\u003c\/li\u003e\n\u003cli\u003eTons of mounting holes \u0026amp; slots!\u003c\/li\u003e\n\u003cli\u003eYou can drill and cut aluminum so it's easy to modify\u003c\/li\u003e\n\u003cli\u003eWon't crack or break if it falls down the stairs (alright, it happens)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRemember,\u003cstrong\u003e this is just the metal frame chassis!\u003c\/strong\u003e \u003cstrong\u003eMotors, wheels, motor driver, microcontroller, etc are not included\u003c\/strong\u003e!\u003c\/p\u003e\u003cp\u003eYou'll probably want to also pick up the following to complete the robot body.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo DC Gearbox 'TT' Motors\u003c\/li\u003e\n\u003cli\u003eTwo 'TT' Motor wheels (we have a range!)\u003c\/li\u003e\n\u003cli\u003eOne 20mm Height Metal Caster Bearing Wheel\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThen you will also need a microcontroller and motor driver that can drive the 5V DC motors. We recommend one of the following\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdafruit DC Motor \u0026amp; Stepper Shield for Arduino\u003c\/li\u003e\n\u003cli\u003eAdafruit DC Motor \u0026amp; Stepper FeatherWing\u003c\/li\u003e\n\u003cli\u003eAdafruit DC Motor \u0026amp; Stepper HAT for Raspberry Pi\u003c\/li\u003e\n\u003cli\u003e\nAdafruit TB6612 DC Motor driver (can drive two DC motors)\u003c\/li\u003e\n\u003cli\u003e\nAdafruit DRV8833 DC Motor driver (can drive two DC motors)\u003c\/li\u003e\n\u003cli\u003e\nAdafruit Crickit (there's various types)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA matching microcontroller or microcomputer is also required!\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cp\u003eProduct Dimensions: 172.0mm x 90.0mm x 31.0mm \/ 6.8\" x 3.5\" x 1.2\" \u003c\/p\u003e\n\u003cp\u003eProduct Weight: 115.6g \/ 4.1oz \u003c\/p\u003e\n\u003cul id=\"product-files\"\u003e \u003cli\u003e\nTop View Diagram \u003c\/li\u003e\n\u003cli\u003e\nFull Diagram \u003c\/li\u003e\n\u003c\/ul\u003e \u003c\/div\u003e","brand":"The Pi Hut","offers":[{"title":"Default Title","offer_id":53636162814245,"sku":"zzs1787257916146","price":11.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/purple-aluminum-chassis-for-tt-motors---2wd_1.jpg?v=1787257924"},{"product_id":"tt-motor-all-metal-gearbox-190-gear-ratio","title":"TT Motor All-Metal Gearbox - 1:90 Gear Ratio","description":"\u003cp\u003eThese durable (but affordable!) gearbox motors (also known as 'TT' motors) are an easy, low-cost way to get your projects moving. This is a \u003cstrong\u003eTT DC All-Metal Gearbox Motor\u003c\/strong\u003e with a gear ratio of \u003cstrong\u003e1:90\u003c\/strong\u003e about \u003cstrong\u003edouble\u003c\/strong\u003e of the 'standard' 1:48 ratio. That gives them higher torque but slower rotational speed. Since they're slower they're good for robots where strength is more important than speed.\u003c\/p\u003e\u003cp\u003eThey look a lot like our yellow all-plastic-gearbox motors but these have all of the motor gears machined from steel, so they won't strip as easily, and they're twice as slow (and twice as powerful) given their lower gearbox ratio. The metal gears also mean they're louder when running.\u003c\/p\u003e\u003cp\u003eYou can power these motors with 3VDC up to 6VDC, they'll of course go a little faster at the higher voltages. We grabbed one motor and found these stats when running it from a bench-top supply\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAt \u003cstrong\u003e3VDC\u003c\/strong\u003e we measured 80mA @ 60 RPM no-load, and 0.5 Amps when stalled\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e4.5VDC\u003c\/strong\u003e we measured 90mA @ 90 RPM no-load, and 0.8 Amps when stalled\u003c\/li\u003e\n\u003cli\u003eAt \u003cstrong\u003e6VDC\u003c\/strong\u003e we measured 100mA @ 120 RPM no-load, and 1.0 Amps when stalled\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote that these are very basic motors, and have no built-in encoders, speed control or positional feedback. Voltage goes in, rotation goes out! There will be variation from motor to motor, so a separate feedback system is required if you need precision movement.\u003c\/p\u003e\u003cp\u003eComes 1 x per order, with just the motor. These motors \u003cem\u003edo not\u003c\/em\u003e come with wires attached, so you'll need to solder wires on yourself.\u003c\/p\u003e\u003cp\u003eYou \u003cem\u003ecannot\u003c\/em\u003e drive these directly from a microcontroller, \u003cstrong\u003ea high-current motor driver is required\u003c\/strong\u003e! We recommend our DRV8833 motor driver for these motors, as it works well down to 3V and can be set up with current limiting since the stall current on these can get high. The TB6612 can also be used, it's on our shields and wings, but you'll need to supply at least 4.5V - which is what you'll likely want to run these motors at anyhow!\u003c\/p\u003e\u003cp\u003eWe have a range of wheels, add-ons and accessories for these motors so you can bling out your bot just the way you like.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cp\u003eDimensions (excluding shaft): 69.5 x 22 x 20.7mm\u003c\/p\u003e\n\u003cp\u003eProduct Weight: 39.4g \/ 1.4oz \u003c\/p\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53636163109157,"sku":"jfa1787257917516","price":4.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/tt-motor-all-metal-gearbox---190-gear-ratio_1.jpg?v=1787257925"},{"product_id":"dc-gearbox-tt-motor-to-building-brick-compatible-cross-axle","title":"DC Gearbox \"TT\" Motor to Building Brick Compatible Cross Axle","description":"\u003cp\u003eWho doesn't love building bricks? Nobody! Except when we accidentally step on them. There are soooo many mechanical things one can make with those ubiquitous bricks, plates, gears, pulleys. Say a 13-meter high London Tower Bridge...\u003c\/p\u003e\n\u003cp\u003eBut what do you do when you want to add building bricks and parts to your robotics project? This is the axle you need! Just push the axle housing end onto the shaft of your DC Gearbox \"TT\" motor, and it's ready to adapt to the standard building brick-compatible cross axle parts, including gears and wheels. So easy, we think this will enable many creative endeavors.\u003c\/p\u003e\n\u003cp\u003eComes 1 x per order.\u003cstrong\u003e Does not include the DC Gearbox \"TT\" Motor\u003c\/strong\u003e (we do sell em in the shop though)\u003cstrong\u003e or gear\u003c\/strong\u003e - that's just to show you how it works.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eTechnical Details\u003c\/h2\u003e\n\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e\n\u003cul\u003e\n\u003cli\u003eShaft length: 34mm\u003c\/li\u003e\n\u003cli\u003eHousing height: 8.2mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul id=\"product-files\"\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53636163141925,"sku":"vbm1787257918570","price":2.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/dc-gearbox-tt-motor-to-building-brick-compatible-cross-axle_1.jpg?v=1787257927"},{"product_id":"machined-aluminum-servo-arm","title":"Machined Aluminum Servo Arm","description":"\u003cp\u003eThis machined aluminium servo arm is a durable upgrade for standard plastic servo horns. It is made from anodised aluminium for improved strength and a longer working life, making it a decent choice for more important servo projects.\u003c\/p\u003e\n\u003cp\u003eThe arm is 37mm long and 2.5mm thick, with four tapped 2mm mounting holes positioned 15mm, 20mm, 25mm and 30mm from the centre point. The hub is designed to fit 25-tooth servo shafts and is compatible with standard-size servo motors.\u003c\/p\u003e\n\u003cp\u003eThe arm comes with a small hex screw.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note, it is not compatible with micro and sub-micro servos.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e37mm machined aluminium servo arm\u003c\/li\u003e\n\u003cli\u003eAnodised finish\u003c\/li\u003e\n\u003cli\u003e2.5mm thick arm\u003c\/li\u003e\n\u003cli\u003eFour tapped 2mm holes\u003c\/li\u003e\n\u003cli\u003eHole spacing: 15mm, 20mm, 25mm and 30mm from centre\u003c\/li\u003e\n\u003cli\u003eFits 25-tooth servo shafts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: 37.0mm x 6.0mm x 5.0mm\u003c\/li\u003e\n\u003cli\u003eWeight: 1.8g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Machined Aluminium Servo Arm\u003c\/li\u003e\n\u003cli\u003e1x Hex Screw\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Pi Hut","offers":[{"title":"Default Title","offer_id":53636163174693,"sku":"tzy1787257920008","price":1.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/machined-aluminum-servo-arm_1.jpg?v=1787257928"},{"product_id":"6v-air-valve-with-2-pin-jst-ph-connector-fa0520e","title":"6V Air Valve with 2-pin JST PH Connector (FA0520E)","description":"\u003cp\u003eHere's a cool new valve for makers interested in pneumatic systems, hydraulics, inflatables, projects with compressed air, and the like. These air valves, also known by other names like, automatic bleeding valve or air release valve, are typically used to passively release air from a pressurized container.\u003c\/p\u003e\u003cp\u003eThis valve is rated at 6V but we used it just fine at 5V.\u003c\/p\u003e\u003cp\u003eThere are \u003cstrong\u003ethree ports\u003c\/strong\u003e on this valve, and you can sort of think of the valve as a pneumatic 'relay:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe middle port with the flange is the 'common' connection.\u003c\/li\u003e\n\u003cli\u003eWhen powered, the common middle port and the plastic end port closest to it are connected and the metal end port is closed (no air flow in or out).\u003c\/li\u003e\n\u003cli\u003eWhen de-powered, the common middle port and the metal end port are connected, and the plastic end port is closed (no air flow in or out).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOf course, you'll need an air pump to generate pressure either positive or negative. In our demo video, we have one air pump as a pump, and one as a vacuum, and use the valve to switch the balloon from inflating, statis and deflating by powering the pumps and relays in order!\u003c\/p\u003e\u003cp\u003eComes with a cable with what looks like a 2.5mm plastic connector on the end.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cp\u003eSee diagram for port sizes and mechanical dimensions\u003c\/p\u003e\n\u003cul id=\"product-files\"\u003e \u003cli\u003e\nMechanical Diagram \u003c\/li\u003e\n\u003c\/ul\u003e \u003c\/div\u003e","brand":"The Pi Hut","offers":[{"title":"Default Title","offer_id":53636188340517,"sku":"mpo1787258261035","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/6v-air-valve-with-2-pin-jst-ph-connector-fa0520e_1.jpg?v=1787258269"},{"product_id":"mecanum-wheel-48mm-right-discontinued","title":"Mecanum Wheel (48mm) - Right [Discontinued]","description":"\u003cp\u003eWhat wheels should your robot car use? How about Mecanum wheels!\u003c\/p\u003e\n\u003cp\u003eThe Mecanum wheel is an omnidirectional wheel design for a land-based vehicle to move in any direction, such as go straight, obliquely, horizontally, S-line and rotate at any angle with zero radius. With pretty low noise, this kind of wheel can move in a stable and flexible manner. Since the wheel is based on omnidirectional drive technology, users can freely control their robot car even in a tight space.\u003c\/p\u003e\n\u003cp\u003eThis Mecanum wheel has a diameter of 48mm and is composed of 9 small rollers that are made of plastic and coated with quality and high-friction silicone rubber, which are rugged and impact-resistant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: there are two types of Mecanum wheels\u003c\/strong\u003e: left-handed wheels and right-handed wheels (this page). Please pay attention to the L and R noted on the back of the product when purchasing - we recommend you to buy them in pairs!\u003c\/p\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cdiv class=\"desCon\"\u003e\n\u003cul\u003e\n\u003cli\u003eDiameter: 48mm\u003c\/li\u003e\n\u003cli\u003eThickness: 24.5mm\u003c\/li\u003e\n\u003cli\u003eHex Hole: 7*7*7mm \u003c\/li\u003e\n\u003cli\u003eNumber of Rollers: 9\u003c\/li\u003e\n\u003cli\u003eAngle: 45°\u003c\/li\u003e\n\u003cli\u003eColour: yellow\u003c\/li\u003e\n\u003cli\u003eMaterial: plastic + silicone rubber\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eShipping List\u003c\/h2\u003e\n\u003cdiv class=\"desCon\"\u003e\n\u003cul\u003e\n\u003cli\u003eMecanum Wheel \u003cstrong\u003eRight\u003c\/strong\u003e (48mm) x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDrawing\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"Mecanum wheel 48mm drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/Dimension.jpg?v=1626114167\u0026amp;width=700\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":53636188373285,"sku":"xlt1787258261954","price":2.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/mecanum-wheel-48mm---right-discontinued_1.jpg?v=1787258270"},{"product_id":"mecanum-wheel-80mm-right-discontinued","title":"Mecanum Wheel (80mm) - Right [discontinued]","description":"\u003cdiv class=\"desc\"\u003e \u003cdiv class=\"desCon\"\u003eWhat wheels should your robot car use? How about Mecanum wheel! The Mecanum wheel is an omnidirectional wheel design for a land-based vehicle to move in any direction, such as go straight, obliquely, horizontally, S-line, and rotate at any angle with zero radius. \u003cp\u003eWith pretty low noise, this kind of wheel can move stably and flexibly in operation. Since the wheel is based on the omnidirectional drive technology, users can freely control their robot car even in tight space. This Mecanum wheel has a diameter of 80mm and is composed of 9 small rollers that are made of plastic and coated with quality and high-friction silicone rubber, which are rugged and impact-resistant.\u003c\/p\u003e \u003cp\u003eNote: there are two types of Mecanum wheels: left-handed wheel and right-handed wheel. Please pay attention to the L and R noted on the back of the product when purchasing, and we recommend you to buy them in pairs.\u003c\/p\u003e \u003c\/div\u003e \u003ch2\u003eSpecification\u003c\/h2\u003e \u003cdiv class=\"desCon\"\u003e \u003cul\u003e \u003cli\u003eDiameter: 80mm\/3.15”\u003c\/li\u003e \u003cli\u003eThickness: 37.5mm\/1.48”\u003c\/li\u003e \u003cli\u003eHex Hole: 7*7*7mm \u003c\/li\u003e \u003cli\u003eNumber of Rollers: 9\u003c\/li\u003e \u003cli\u003eAngle: 45°\u003c\/li\u003e \u003cli\u003eLoad Capacity: 10kg\u003c\/li\u003e \u003cli\u003eColor: yellow\u003c\/li\u003e \u003cli\u003eMaterial: plastic + silicone rubber\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003ch2\u003eShipping List\u003c\/h2\u003e \u003cdiv class=\"desCon\"\u003e \u003cul\u003e \u003cli\u003eMecanum Wheel Right (80mm) x1\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"The Pi Hut","offers":[{"title":"Default Title","offer_id":53636188406053,"sku":"wav1787258262853","price":3.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/mecanum-wheel-80mm---right-discontinued_1.jpg?v=1787258271"},{"product_id":"pololu-drv8833-dual-motor-driver-carrier","title":"Pololu DRV8833 Dual Motor Driver Carrier","description":"\u003cp\u003eThis tiny breakout board for TI’s DRV8833 dual motor driver can deliver 1.2 A per channel continuously (2 A peak) to a pair of DC motors.\u003c\/p\u003e\n\u003cp\u003eWith an operating voltage range from 2.7 V to 10.8 V and built-in protection against reverse-voltage, under-voltage, over-current, and over-temperature, this driver is a great solution for powering small, low-voltage motors.\u003c\/p\u003e\n\u003cp\u003eTexas Instruments DRV8833 is a dual H-bridge motor driver IC that can be used for bidirectional control of two brushed DC motors at 2.7 V to 10.8 V. It can supply up to about 1.2 A per channel continuously and can tolerate peak currents up to 2 A per channel for a few seconds, making it an ideal driver for small motors that run on relatively low voltages. Since this board is a carrier for the DRV8833, we recommend careful reading of the\u003cspan\u003e \u003c\/span\u003eDRV8833 datasheet\u003cspan\u003e \u003c\/span\u003e(1MB pdf). The board ships populated with SMD components, including the DRV8833, and adds a FET for reverse battery protection.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual-H-bridge motor driver: can drive two DC motors or one bipolar stepper motor\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 2.7‌‌ V to 10.8 V\u003c\/li\u003e\n\u003cli\u003eOutput current: 1.2 A continuous (2 A peak) per motor\u003c\/li\u003e\n\u003cli\u003eMotor outputs can be paralleled to deliver 2.4 A continuous (4 A peak) to a single motor\u003c\/li\u003e\n\u003cli\u003eInputs are 3V- and 5V-compatible\u003c\/li\u003e\n\u003cli\u003eUnder-voltage lockout and protection against over-current and over-temperature\u003c\/li\u003e\n\u003cli\u003eReverse-voltage protection circuit\u003c\/li\u003e\n\u003cli\u003eCurrent limiting can be enabled by adding sense resistors (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 0.5″ × 0.8″\u003csup\u003e1\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: 1.0 g\u003csup\u003e1\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eGeneral specifications\u003c\/li\u003e\n\u003cli\u003eMotor driver: DRV8833\u003c\/li\u003e\n\u003cli\u003eMotor channels: 2\u003c\/li\u003e\n\u003cli\u003eMinimum operating voltage: 2.7 V\u003c\/li\u003e\n\u003cli\u003eMaximum operating voltage: 10.8 V\u003c\/li\u003e\n\u003cli\u003eContinuous output current per channel: 1.2 A\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003ePeak output current per channel: 2 A\u003c\/li\u003e\n\u003cli\u003eContinuous paralleled output current: 2.4 A2\u003c\/li\u003e\n\u003cli\u003eReverse voltage protection?: Y\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003csup\u003e1\u003c\/sup\u003eWithout included hardware.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e\u003csup\u003e2\u003c\/sup\u003eTypical results with 100% duty cycle at room temperature.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eUsing the motor driver\u003c\/h2\u003e\n\u003cp\u003eIn a typical application, power connections are made on one side of the board and control connections are made on the other. The nSLEEP pin is pulled high on the board and can be left disconnected if you do not want to use the low-power sleep mode of the DRV8833. Each of the two motor channels has a pair of control inputs, xIN1 and xIN2, that set the state of the corresponding outputs, xOUT1 and xOUT2; pulse width modulated (PWM) signal can be applied to each of these inputs. The control inputs are pulled low internally, effectively disabling the motor driver outputs by default. See the truth tables in the DRV8833 datasheet for more information on how the inputs affect the driver outputs.\u003c\/p\u003e\n\u003cp\u003eThe nFAULT pin is an open-drain output that is driven low by the chip whenever an over-current, over-temperature-or under-voltage condition occurs. Otherwise, it remains in a floating state, so you will need to connect an external pull-up resistor (or use a microcontroller input with its built-in pull-up enabled) if you want to monitor fault conditions on the driver.\u003c\/p\u003e\n\u003ch2\u003ePinout\u003c\/h2\u003e\n\u003cimg alt=\"DRV8833 table\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/pol-2130-table.png?v=1621526802\u0026amp;width=700\"\u003e\n\u003ch2\u003eCurrent limiting\u003c\/h2\u003e\n\u003cp\u003eThe DRV8833 can actively limit the current through the motors by using a fixed-frequency PWM current regulation (current chopping). By default, this carrier board connects the current sense pins to ground, disabling the current limiting feature. To enable current limiting, you can use a knife to cut the break points on the back of the board and then solder some appropriate current sense resistors to the unpopulated pads on the front, as indicated in the image below. The pads are sized for 1206 surface-mount resistors. Refer to the DRV8833 datasheet for information on how the resistor value determines the chopping current.\u003c\/p\u003e\n\u003ch2\u003eReal-world power dissipation considerations\u003c\/h2\u003e\n\u003cp\u003eThe DRV8833 datasheet recommends a maximum continuous current of 1.5 A per motor channel. However, the chip by itself will overheat at lower currents. For example, in our tests at room temperature with no forced air flow, the chip was able to deliver 1.5 A per channel for about a minute before the chip’s thermal protection kicked in and disabled the motor outputs, while a continuous current of 1.2‌–1.3 A per channel was sustainable for many minutes without triggering a thermal shutdown. The actual current you can deliver will depend on how well you can keep the motor driver cool. The carrier’s printed circuit board is designed to draw heat out of the motor driver chip, but performance can be improved by adding a heat sink. Our tests were conducted at 100% duty cycle; PWMing the motor will introduce additional heating proportional to the frequency.\u003c\/p\u003e\n\u003cp\u003eThis product can get\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehot\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenough to burn you long before the chip overheats. Take care when handling this product and other components connected to it.\u003c\/p\u003e","brand":"Pololu","offers":[{"title":"Default Title","offer_id":53636188471589,"sku":"bji1787258264601","price":7.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/6251\/1397\/files\/pololu-drv8833-dual-motor-driver-carrier_1.jpg?v=1787258273"}],"url":"https:\/\/hypestepstore.shop\/collections\/robotics-cnc.oembed","provider":"My Store","version":"1.0","type":"link"}