Pololu

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US$63.47
This gearmotor is a powerful 12V brushed DC motor with a 70:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 1200 counts per revolution of the gearbox’s output shaft. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft.
Delivery within 2-3 weeks
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US$7.14
QTR-1A Reflectance Sensor (2-Pack) The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x...
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US$9.05
The 3674-POLOLU is a bump sensor for the Romi or TI-RSLK MAX robots. It uses six snap-action switches to determine if there's an obstacle on its way or not.
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US$136.45
The 4990-POLOLU is a robot kit to build the highly integrated Zumo 32U4. This product is based on an ATmega32U4. Its user programmable and highly customizable.
 
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US$68.23
This gearmotor is a powerful 12V brushed DC motor with a 18.75:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 1200 counts per revolution of the gearbox’s output shaft. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft.
Delivery within 2-3 weeks
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US$13.58
This USB-to-serial adapter lets you easily connect a TTL serial device to a PC by acting as a virtual serial port. The board is a Micro-USB carrier for the Silicon Labs CP2102N USB-to-UART bridge that provides access to all of its control signal pins and GPIO pins.
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US$2.37
This 10 cm (4″) cable has six 28 AWG wires and 6-pin female JST SH-type connectors on both ends. These connectors work with our Micro Metal Gearmotor Encoders with top-entry connectors and with side-entry connectors as well as our connector breakout boards with top-entry and side-entry connectors.
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US$2.87
This 25 cm (10″) cable has six 28 AWG wires and 6-pin female JST SH-type connectors on both ends. These connectors work with our Micro Metal Gearmotor Encoders with top-entry connectors and with side-entry connectors as well as our breakout boards with top-entry and side-entry connectors.
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US$4.50
This 40 cm (16″) cable has six 28 AWG wires and 6-pin female JST SH-type connectors on both ends. These connectors work with our Micro Metal Gearmotor Encoders with top-entry connectors and with side-entry connectors as well as our breakout boards with top-entry and side-entry connectors.
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US$4.13
This 63 cm (25″) cable has six 28 AWG wires and 6-pin female JST SH-type connectors on both ends. These connectors work with our Micro Metal Gearmotor Encoders with top-entry connectors and with side-entry connectors as well as our breakout boards with top-entry and side-entry connectors.
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US$2.68
This simple board serves as an adapter between a JST SH-style 6-pin male connector and breadboard-compatible 0.1″-pitch through holes.
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US$2.43
This simple board serves as an adapter between a JST SH-style 6-pin male connector and breadboard-compatible 0.1″-pitch through holes.
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US$63.47
This gearmotor is a powerful 12V brushed DC motor with a 131.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 8400 counts per revolution of the gearbox’s output shaft.
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US$8.82
These black plastic wheels have silicone tires and measure 70 mm (2.75″) in diameter. They mount onto standard servo splines with 25 teeth and a 5.8 mm diameter, such as the splines on FEETECH’s FS5106R and SpringRC’s SM-S4303R continuous rotation servos. This product is a pair of wheels.
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US$10.22
These black plastic wheels have silicone tires and measure 90 mm (3.54″) in diameter. They mount onto standard servo splines with 25 teeth and a 5.8 mm diameter, such as the splines on FEETECH’s FS5106R, and SpringRC’s SM-S4303R continuous rotation servos. This product is a pair of wheels.
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