Pololu

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US$7.05
5349-POLOLU A5984 Stepper Motor Driver Carrier, Fixed 750mA@5V / 500mA@3.3V (Soldered Header Pins) This is a carrier board for Allegro’s A5984...
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US$5.23
5348-POLOLU A5984 Stepper Motor Driver Carrier, Fixed 750mA@5V / 500mA @3.3V This is a carrier board for Allegro’s A5984 microstepping bipolar...
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US$7.05
5351-POLOLU A5984 Stepper Motor Driver Carrier, Fixed 500mA@5V / 330mA @3.3V (Soldered Header Pins) This is a carrier board for Allegro’s A5984...
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US$5.23
5350-POLOLU A5984 Stepper Motor Driver Carrier, Fixed 500mA@5V / 330mA @3.3V This is a carrier board for Allegro’s A5984 microstepping bipolar...
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US$63.47
This gearmotor is a powerful 12V brushed DC motor with a 6.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 400 counts per revolution of the gearbox’s output shaft..
Delivery within 2-3 weeks
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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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