Spinning LED Prize Wheel
This is a tutorial on how to make LEDs light up in a circle sequence and end on a final, random winner every time!
Downloads
Supplies
- LEDs
- Green (4)
- Red (4)
- Yellow (2)
- Resistors
- 470k Ohm (1)
- 33M Ohm (1)
- 10k Ohm (1)
- 100k Ohm (1)
- 1M Ohm (1)
- 220 Ohm (1)
- 0 Ohm (1)
- Capacitors
- 10 nF (1)
- 1 μF (1)
- 47 μF (1)
- Diodes
- 1N4148 (1)
- IC Chips & Sockets
- IC1: 14P 4069 (1)
- IC2: 16P 4017 (1)
- Push button (1)
- 9V battery (1)
- 9V battery snap (1)
- 9V battery holder (optional 1)
- Circuit board
- Soldering supplies
Build
Orient the supplies on your circuit board according to the diagram below.
Power
Attach battery (and battery pack).
Complete
Push the button, and it should work like a spinning wheel!