A coil gun is a projectile accelerator that uses magnetism to accelerate a piece of magnetic material (iron, cobalt, nickel) at a "high" velocity.
- A bunch of capacitors.
- Copper wire (approx 0,4 mm).
- An iron soldering kit.
- An Arduino UNO.
- Arduino display.
- Arduino relay, 2 channels but you can use just one channel.
- Arduino buttons.
- Leds.
- Resistors.
- A platform.
- (Hot) Glue.
- Careful (It may be dangerous).