the web-based distance experiment system is for completing experiment remotely. clients communicate with server through internet, by using single-chip controller to send commands to lab equipment of single chip microcomputer, clients can drive the equipment to achieve their goals. at same time, the on-site process will be gathered by cam, video will be transferred to clients for playing, thus, participants can learn from the process. it is a low cost platform for experiments on single chip microcomputer, and make researches and experiments more conveniently for various scholars. it is a project for development and researches which is based on teaching test equipments.