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2481-POLOLU Basic SPDT Relay Carrier with 5VDC Relay (Partial Kit)
2481-POLOLU Basic SPDT Relay Carrier with 5VDC Relay (Partial Kit)
CA$7.63

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals.

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2214-POLOLU 100:1 Micro Metal Gearmotor HP 6V with Extended Motor Shaft
CA$27.95
This gearmotor is a miniature high-power, 6 V brushed DC motor with a 100.37:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft. Key specs at 6 V: 320 RPM and 120 mA with no load, 30 oz-in (2.2 kg-cm) and 1.6 A at stall.
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1081-POLOLU Universal Aluminum Mounting Hub for 4mm Shaft, #4-40 Holes (2-Pack)
CA$12.69
These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 4 mm diameter motor shafts. The set includes two hubs, two #4-40 set screws for securing the hubs to motor shafts, and one 0.05″ Allen wrench for use with the set screws. Each hub has four threaded mounting holes for #4-40 screws (not included).
Delivery within 2-3 weeks
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126-POLOLU 23201a Serial Adapter Fully Assembled
CA$17.69
This deluxe serial port adapter (RS-232 adapter) converts logic-level signals to the higher voltages required for RS-232 and similar serial ports. Unlike competing units, the Pololu serial adapter operates over a 3-5.5 V supply range and gives you access to all eight of the signal lines available on a DB9 connector, including five transmit lines and three receive lines.
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1132-Pololu Carrier with Sharp GP2Y0D805Z0F Digital Distance Sensor 5cm
1132-Pololu Carrier with Sharp GP2Y0D805Z0F Digital Distance Sensor 5cm
CA$32.86
This is a proximity sensor that can detect any object between  0.5 to 5 cm (0.2" and 2") away.
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1078-POLOLU Universal Aluminum Mounting Hub for 3mm Shaft, #4-40 Holes (2-Pack)
CA$9.15
These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 3 mm diameter motor shafts. The set includes two hubs, two #4-40 set screws for securing the hubs to motor shafts, and one 0.05″ Allen wrench for use with the set screws. Each hub has four threaded mounting holes for #4-40 screws (not included).
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2299-POLOLU Sanyo Pancake Stepper Motor: Bipolar, 200 Steps/Rev, 50×16mm, 5.9V, 1 A/Phase
CA$107.60
This pancake bipolar stepping motor from Sanyo has a 1.8° step angle (200 steps/revolution). It offers a holding torque of 2.2 kg-cm (30 oz-in), and each phase draws 1 A at 5.9 V. This stepper motor’s flat profile (21 mm including the shaft) allows it to be used in places where more traditional stepper motors would be too bulky.
Delivery within 2-3 weeks
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356-POLOLU 8x2 Character LCD - Black Bezel (Parallel Interface)
CA$13.77
This compact 8 x 2 LCD is great for small microcontroller projects where you want more than just a blinking LED for feedback. This unit uses the standard HD44780 parallel interface and features a black bezel. This little 8-character, 2-line parallel liquid crystal display is a generic equivalent of the Optrex DMC-50448N-AAE-AD LCD. It uses the common HD44780 interface, so sample interface code is widely available for a variety of microcontrollers. This is the smallest package we know of for this familiar interface.
Delivery within 2-3 weeks
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3281-POLOLU Scooter/Skate Wheel 144×29mm - Black
CA$12.82
This black polyurethane scooter/skate wheel measures 144 mm in diameter and 29 mm in width and works with standard 608 bearings as well as our Aluminum Scooter Wheel Adapters, which allow these wheels to be used with an assortment of motors.
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3272-POLOLU Scooter/Skate Wheel 70×25mm - Black
CA$4.44
This black polyurethane scooter/skate wheel measures 70 mm in diameter and 25 mm in width and works with standard 608 bearings as well as our Aluminum Scooter Wheel Adapters, which allow these wheels to be used with an assortment of motors.
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2371-POLOLU 298:1 Micro Metal Gearmotor MP 6V
CA$24.54
This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 297.92:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. Key specs at 6 V: 75 RPM and 40 mA with no load, 46 oz-in (3.3 kg-cm) and 0.7 A at stall.
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994-POLOLU 298:1 Micro Metal Gearmotor HP 6V
CA$24.54
This gearmotor is a miniature high-power, 6 V brushed DC motor with a 297.92:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. Key specs at 6 V: 100 RPM and 120 mA with no load, 70 oz-in (5 kg-cm) and 1.6 A at stall.
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950-POLOLU Ball Caster with 3/8" Plastic Ball
950-POLOLU Ball Caster with 3/8" Plastic Ball
CA$3.95
This ball caster kit includes a black ABS housing, a 3/8" diameter plastic ball, two spacers (1/16" and 1/8" thick), and two #2 screw sets.
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3163-POLOLU A-Star 328PB Micro - 3.3V, 12MHz
CA$16.40
The A-Star 328PB Micro is a tiny programmable module featuring the ATmega328PB AVR microcontroller, a backward-compatible replacement for the popular ATmega328P that features more general-purpose I/O and many additional peripherals. This module provides access to all 24 digital input/output pins (of which 9 can be used as PWM outputs and 8 as analog inputs), all on a board measuring only 1.3″ × 0.7″. It ships preloaded with an Arduino-compatible serial bootloader that enables programming through the Arduino IDE via a USB-to-serial adapter, and the ISP pins are accessible for programming with an AVR programmer. This version features a 12 MHz resonator and a 3.3 V regulator that can be powered from 3.8 V to 15 V supplies.
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960-Pololu QTR-8A Reflectance Sensor Array
960-Pololu QTR-8A Reflectance Sensor Array
CA$23.00
This is a sensor module that has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot.
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