Dec 24

have a merry xmas and a happy new year and new posts will be added in 2016.

Dec 19

My counter built from a old VHS record counter, motor, batteries and a switch.


Dec 13

This weekend I have built an electronic siren. When we press the switch, the speaker generated a loud and annoying siren sound.


electric siren

Dec 3

Our robot is ready for Pi Wars.

pi wars


raspberry pi robot

pi b+ robot

robot mouse