Introduction: DIY Galvanometer
A galvanometer is a device that measure charges such as in a battery or power supply.
Step 1: How to Video
Plastic Bottle, copper wire, wire screws, tape, straw, magnet and stiff wire for the straw to pivot on.
Step 2: Optional
You can a wooden case for it and add wire nuts to make testing voltages easier.
Step 3: Dont for to Subscribe to My Youtube Channel