Introduction: Electronic Catapult
This machine can shoot some lighter objects with a DC motor.
DC motor, L2982, arduino board, breadboard, wire, popsicle stick, spoon.
Stick the popsicle
stick on the DC motor, then put the thick cardboard on top, and then make the thick cardboard into a small carton.
the arduino circuit, put it in a small carton, and then write the program (as shown in the figure below) and plug it in to complete it.