Pololu

These universal mounting hubs are designed to work with most 8 mm diameter shafts, including round shafts and “D” shafts. Each of the two includ...

These red plastic wheels have silicone tires and measure 40 mm (1.57″) in diameter, and they press-fit onto the 3mm D shafts on many of our motors,...

The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted...

These terminal blocks have terminals that hold and release wires through the simple adjustment of a screw, allowing you to easily make temporary co...

This small digital distance sensor detects objects between 0.5 cm and 5 cm (0.2″ and 2″) away. With its quick response time, small size, low curren...

This small digital distance sensor detects objects between 2 cm and 10 cm (0.8″ and 4″) away. With its quick response time, small size, and low cur...

This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch or tactile bump sensor for your robot. The...

This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch, but the long lever arm makes it especially us...

OverviewThis stackable 40-pin female header features two rows of 20 pins spaced with a standard 0.1″ (2.54 mm) pitch; this spacing is the same as o...

The Tamiya 70171 3mm Threaded Shaft Set includes ball joints so you can make control rods with three-dimensional movement. The two threaded shafts ...

This style of high-current connector is commonly used with the 7.2V battery packs that power many RC cars. The connector, sometimes called Ta...

This tiny board is an easy way to use Toshiba’s TB6612FNG dual motor driver, which can independently control two bidirectional DC motors or one bip...

The Tic T500 USB Multi-Interface Stepper Motor Controller makes basic control of a stepper motor easy, with quick configuration over USB using o...

This tiny DC motor has a shaft with an offset mass that vibrates when it rotates. Motors like this are commonly found in cell phones and other d...

The Vishay TSOP34156 is a general-purpose modulated IR receiver for IR-based remote-control projects. It features a wide operating voltage range a...

The Vishay TSSP58P38 is a unique modulated IR receiver that is designed for IR brightness detection instead of data communication for remote contro...

Overview A Zumo robot preparing to attack a Parallax SumoBot. Zumo Robot for Arduino, v1.2. This Zumo robot is a low-profile tracked robot...