We offer several popular robot sensors below, including the Sharp GP2D12, Sharp GP2D120, CMPS03 Electronic Compass, MaxSonar-EZ1, MaxSonar-EZ3, CMUcam2+, and the ever popular selection of Jumper Wires. Many are sensors and components that we've developed, including Line Following sensors, Ambient Air Temperature sensor, Adjustable Potentiometer sensor, Push Button I/O sensor board, I2C expansion boards, 5V and 3.3V switching voltage regulators, and sensor mounts and panners. Most of the sensors and components we offer are complimentary to our other robotic products and kits.