Make a DIY continuity tester
Don't have a multimeter to test the continuity of a dead circuit? Make your own continuity tester by collecting all the necessary parts from home.
Please note: these DIY projects are only designed for testing small cables and dead circuits. Do not use on household circuits or electronic components; there is a risk of electrocution or damage to the components.
While repairing a pair of headphones, I wondered how I could diagnose the problem without a multimeter. It was impossible, so I figured that since not everyone has one, I had to find a solution.
Here are three DIY solutions you can make at home, using recycled materials.