The Tic 36v4 USB Multi-Interface High-Power Stepper Motor Controller makes basic control of a stepper motor easy. Pololu 3141

The Tic 36v4 USB Multi-Interface High-Power Stepper Motor Controller makes basic control of a stepper motor easy. Pololu 3140

The plow is intended for use with the Zumo 32U4 robot. The plow is made of thick, laser cut stainless steel and is supplied with a plastic handle for the sensor plate. Pololu 3121

Module with a digital distance sensor with a range of up to 5 cm. It has a digital output that goes low when an object is detected. Pololu 4050

Module with a digital distance sensor with a range of up to 10 cm. It has a digital output that goes low when an object is detected. Pololu 4052

Module with a digital distance sensor with a range of up to 15 cm. It has a digital output that goes low when an object is detected. Pololu 4054

Module with a digital distance sensor with a range of up to 50 cm. It has a digital output that generates a pulse with a width proportional to the measured length. Pololu 4064

Module with a digital distance sensor with a range of up to 25 cm. It has a digital output that goes low when an object is detected. Pololu 4066

Module with a digital distance sensor with a range of up to 50 cm. It has a digital output that goes low when an object is detected. Pololu 4067

Module with a digital distance sensor with a range of up to 100 cm. It has a digital output that goes low when an object is detected. Pololu 4069

Module with a digital distance sensor with a range of up to 200 cm. It has a digital output that goes low when an object is detected. Pololu 4077

Module with a distance sensor with a range of up to 130 cm. It has a digital output that generates a pulse with a width proportional to the measured length. Pololu 4071