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$1.18Rocker Switch: 3-Pin, SPDT, 10A
PololuThis single-pole, double-throw (SPDT) rocker switch makes a great on/off power switch. It is rated for 10 A at 125 VAC and 6 A at 250 VAC. D...
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$13.63Rod For OverLord 3D Printer
DFRobotINTRODUCTION An original rod for OverLord 3D printer, connecting the platform with the sliding block. It could be a repl...
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$7.04Roll of Mouth Stickers
Little BirdLooking for something extra to jazz up your papercraft, cardboard or robotics project? These mouth Stickers - they'll will make an excellent addit...
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$7.04Roll of Nose Stickers
Little BirdLooking for something extra to jazz up your papercraft, cardboard or robotics project? These nose Stickers - they'll will make an excellent additi...
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$24.86Roll Up QWERTY Keyboard
JaycarA flexible and virtually indestructible QWERTY keyboard. The moisture-resistant silicone allows you to spill as much as you like with no ef...
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$18.00Roll Up Tool Bag
SparkFunThis durable roll up tool bag provides you with 23 pockets to store your, pliers, flush cutters, hand-held soldering iron, spent uranium rods, scre...
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Original Price $242.00Current Price $121.00Rollbot STEM Learning Educational DIY Robot Kit
SunfounderSunfounder Rollbot kit is a very interesting and suitable learning tool for Arduino and robot hobbyist. It has simple structure and runs PCB as the...
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$104.43RollbotMicro STEM Learning Educational DIY Robotics Kit
SunfounderIntroduction RollbotMicro kit is a very interesting and suitable learning tool for Arduino and robot hobbyist. It has simple structure and runs PCB...
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$4.46Roller Ball Tilt Swtich through Hole Version (5pcs)
IteadBy tilting to different end, it acts On/Off like a switch.
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$202.92Rollflash Bionic Robot Turtle
SunfounderIntroduction The SunFounder Rollflash is a smart quadruped bionic robot built by acrylic plates. It mimics the tortoise because of its slow spee...
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$108.89Rolling Floor Base for Magnifying Lamps
JaycarMount a magnifying lamp to this base and you can roll it around the floor providing even greater flexibility in observation work. Heavy bas...
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Original Price $275.00Current Price $137.50Rollman STEM Learning Educational DIY Robot Kit
SunfounderTechnical Details Introduction Rollman is a STEM Learning Educational DIY Robot Kit for Arduino. With various sensor modules, it follo...
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Original Price $55.90Current Price $52.04Romeo - The First Arduino Robot Control Board
DFRobotRomeo family is an All-in-One Robot control board especially designed for robotics applications from DFRobot. It benefits from the Arduino...
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$74.99Romeo BLE - Arduino Robot Control Board with Bluetooth 4.0
DFRobotRomeo family is an All-in-One Arduino based control board especially designed for robotics applications from DFRobot. It benefits from the Ardu...
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$47.72Romeo BLE mini -Small Arduino Robot Controller with Bluetooth 4.0
DFRobotINTRODUCTION Romeo BLE mini is a small Arduino compatible robot control board with motor driver and bluetooth 4.0. It be...
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$70.90Romeo BLE Quad - A STM32 Robot Controller Board with Quad DC Motor Driver & Bluetooth 4.0
DFRobotRomeo BLE Quad is an arduino compatible robot controller based on STM32 ARM chip. It inherits all features from the Bluno M3, including wireless p...
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$70.16
Romeo ESP32-S3 Development Board for Robotics FPV RC Car
DFRobotRomeo ESP32-S3 is a high-performance development board specifically designed forrobotics projects. It utilizes the ESP32-S3 microcontroller and is ...
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$216.81Romeo for Intel Edison Controller (With Intel Edison)
DFRobotRomeo for Intel Edison is a multi-purpose, all-in-one development platform based on Intel Edison and Arduino SoC. It is especially designed to b...
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$74.88Romeo for Intel Edison Controller (Without Intel Edison)
DFRobotRomeo for Intel Edison controller is a multi-purpose, all-in-one development platform based on Intel Edison and Arduino SoC. It is especially de...
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$58.85Romeo V2- Arduino Robot Board (Arduino Leonardo) with Motor Driver
DFRobotRoMeo V2 [R3] is an All-in-One Arduino based robot board, it is especially designed for robotics applications, and extended devices. Romeo benef...
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$85.38Romeo-All in one Controller
Seeed StudioRoMeo is an All-in-One microcontroller especially designed for robotics application. Benefit from Arduino open source platform, it is supported ...
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$79.33Romi 32U4 Control Board
PololuOverview The Romi 32U4 Control Board is designed to be assembled with a Romi chassis to create a capable integrated robot platform that can ea...
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$12.06Romi Chassis Expansion Plate - Black
PololuOverviewThis expansion plate makes it easy to add more levels to your Romi robot, providing plenty of extra room to mount additional components and...
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$140.90Rory the Rhino - Kinetic Creatures
AdafruitRory the Rhino is a walking cardboard animal sculpture that you assemble from pre-cut and scored cardboard pieces. Rory walks when you turn the inc...
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$42.16Rosie Revere, Engineer
AdafruitA beautifully-illustrated tale of a girl and her dream to become a great engineer. Where some people see rubbish, Rosie Revere sees inspiration...
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$23.00Rosie Revere, Engineer
Little BirdA beautifully-illustrated tale of a girl and her dream to become a great engineer. Where some people see rubbish, Rosie Revere sees inspiration. ...
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$28.26Rosie Revere, Engineer
PimoroniA beautifully-illustrated tale of a girl and her dream to become a great engineer. Where some people see rubbish, Rosie Revere sees inspiration. Al...
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$21.95Rotary Coax Stripper
JaycarThis handy stripper will strip the outside jacket and inner conductor in one operation. Suitable for RG58/59/62/6 and 3C2V 75 ohm cable. Si...
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$63.33Rotary Dial Kit
SparkFunThe Rotary Dial Kit is designed to be a simple interface device for your project. Input is achieved using a rotating encoder bezel and output is ha...
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$9.01Rotary Encoder
SparkFunThis is a 12-step rotary encoder with a nice ‘clicking’ feel. It’s breadboard friendly, and has a pretty handy select switch (by pushing in on the ...
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$10.14Rotary Encoder + Extras
AdafruitThis rotary encoder is the best of the best, its a high quality 24-pulse encoder, with detents and a nice feel. It is panel mountable for placement...
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$104.97Rotary Encoder - 1024 P/R (Quadrature)
SparkFunThis 1024 pulse per rotation rotary encoder outputs gray code which you can interpret using a microcontroller and find out which direction the shaf...
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$69.93Rotary Encoder - 200 P/R
SparkFunThis 200 pulse per rotation single-output encoder outputs electrical pulses which you can interpret using a microcontroller to find the position of...
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$104.84Rotary Encoder - 200 P/R (Quadrature)
SparkFunThis 200 pulse per rotation rotary encoder outputs gray code which you can interpret using a microcontroller and find out which direction the shaft...
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$5.23Rotary Encoder - Illuminated (Red/Green)
SparkFunRotary encoders are used similarly to potentiometers. They’re different from potentiometers in that an encoder has full rotation without limits. Th...
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$6.49Rotary Encoder - Illuminated (Red/Green)
SparkfunRotary encoders are used similarly to potentiometers. They're different from potentiometers in that an encoder has full rotation without limits. Th...
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$9.64Rotary Encoder - Illuminated (RGB)
SparkFunRotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without limits (It just goes round ...
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$10.08Rotary Encoder - Illuminated (RGB)
SparkFunRotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without limits (It just goes round ...
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$8.45Rotary Encoder - Illuminated (RGB, right-angle)
SparkFunRotary encoders can be used similarly to potentiometers. The difference being that that an encoder has full rotation without limits (It just goes r...
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$10.97Rotary Encoder Module
SunFounderIntroduction The module can count by rotation the pulses output both clockwise and counterclockwise. Different from potentiometer, the counting is ...
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$5.22Rotary Encoder Module
Little BirdThe rotary encoder is an electro-mechanical switch. Its output signal can be used to determine the direction that its knob is being rotated. Not on...
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$6.49Rotary Encoder Module Brick Sensor
Little BirdDescription:The rotary encoder is used to measure the speed and with PWM technology can achieve rapid speed devicesWith fixed bolt hole for easy ...
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$6.27Rotary Encoder with Switch
Seeed StudioThere are total 5 pins on the encoders, 3 of them on one side are for rotary encoding which need a simple circuit to supply DC 5V. The remaining ...
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$5.57Rotary Encoder with Switch
IteadOverview EC11-1B-18T has best quality and competitive price, and has passed the certification of ISO, ROHS. Specification Pulses/rotation : 20 pul...
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$2.09Rotary Potentiometer - 1 kΩ
PimoroniYou'll find these rotary potentiometers in our Maker Essentials kit, but they're so useful we decided to offer them on their own! Pair them with so...
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$2.09Rotary Potentiometer - 10 kΩ
PimoroniYou'll find these rotary potentiometers in our Maker Essentials kit, but they're so useful we decided to offer them on their own! Pair them with so...
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$2.09Rotary Potentiometer - 100 kΩ
PimoroniYou'll find these rotary potentiometers in our Maker Essentials kit, but they're so useful we decided to offer them on their own! Pair them with so...
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$5.08Rotary Potentiometer - 100k Ohm, Linear (Panel Mount)
SparkFunAn adjustable potentiometer can open up many interesting user interfaces. With this rotary potentiometer just turn the dial and the resistance chan...
View full details$5.08