Waterproof ultrasonic distance sensor. This sensor can be used for collision detection in your project.
After building many custom WiFi HD2 robots, we have combined the most common requests and come up with this standard WiFi HD2 robot.
The HD2 tracked platform is a large, heavy duty tracked robot with the power to pull a truck and climb stairs. A wealth of internal space allows for batteries, controls and an optional computer. Customized version of item TP-200-001.