From robotics workshop McKinley High School Dec 2008. Explains (1) Analog signal concepts, (2) how analog switch is used to rebound from collision with another robot, (3) 8-relay card to drive solenoids for air compressor and pneumatics, (4) Jaguar and Victor variable speed controllers, (5) PWM – pulse width modulation – for motor speed, (6) Video Camera usage, (7) SPIKE on/off relays.

Duration : 0:9:24

[youtube 1EKW1g3Ip7M]