Tell us about yourself!
Voltage is not what determines a lethal shock. Amperage is what kills.Information on this here:https://www.physics.ohio-state.edu/~p616/safety/fa...
Voltage does not determine a lethal shock, amperage does. 100-200 milliamps WILL kill you.https://www.physics.ohio-state.edu/~p616/safety/fa...
Joule Thief Low Voltage Battery Charger
Make a One Tube Radio
Arduino - Ultrasonic Sensor with LED's and buzzer
Inexpensive Wooden Tri-copter!