- The pieces on the rows of the breadboard are connected! If you try to do an LED where the 2 wires are on the same row, the LED won’t light up.
- Make sure the pieces on the breadboard are in the right position. If the pieces are in the wrong position, it won’t match the program you wrote, and you will receive an error.
- The program has to match the wires on the breadboard. If the program has matched the wrong GPIO pin, you will get an error.
