Build-It-Yourself inspires kids to build their own toys, robots, puppets and other inventions.

2-RCX Remote Control Transmitter

This program sends 6 unique control IR signals (10, 12, 14, 16, 20 and 22). It uses a light sensor connected to input port 1 to detect 4 colors. Depending on which color is selected, a number is sent when switch 2 is pressed.

When switch 3 is pressed for less than .5 seconds, a 20 is sent.
When switch 3 is presssed for more than .5 seconds, a 22 is sent.

2-RCX Remote Control Receiver

This program looks for an IR signals 10 (forward), 12 (back, turn right), 14 (back turn left), 20 (lift plow), and 22 (lower plow) from the controller RCX. Based on what IR signal is recieved, the program activates motors to control the robot.