LED Ring Thing


It's a simple LED device. Any color LED will work, but an RBG LED will not.
Supplies


you need:
3 cell batteries
1 LED (any color)
clear tape
micro switch (optional)
Make the Power Source

stack the cell batteries in the order shown in the image shown above and tape them together.
Make the Circuit

circuit diagram shown in above picture. tape the circuit to your finger
Take It Further
have fun!!!