We had a board with holes that could have wires and LED lights plugged in. The task was to see if we could completa circut and make the LED light, Light up. the two main
In the pictures below are a 2-d version or the gates
We had to use solder wire and a hot iron rod to melt small bits of the metal to conduct electricity to light up LED lights. we could not let the solder from the positive side and the negative side or else the curent would jump and the LED light would do nothing.
The picturs below are the robots