This is a simple and easy designed circuit which is used to test the continuity. We know that continuity tester will used to test whether there is continuity or connection between two components. Here ...

Some of the most popular vintage computers are now more than forty years old, and their memory just ain’t how it used to be. Identifying bad memory chips can quickly become a chore, so [Jan Beta] ...

Over on YouTube our hacker [VIP Love Secretary] shows us how to make a simple MOSFET tester. This is a really neat, useful, elegant, and simple hack, but the video is kind of terrible. We found that ...

3V is sufficient to turn on any LED, but is within its reverse break down voltage rating (that is why I did not use the common 9V battery). Short circuit current is approx. 30mA. I used a 3V lithium ...

Two simple USB inventions provide an easy way to test USB cables and chargers, ensuring they are functioning properly. The first invention uses a small plastic ball and a USB female connector to ...

Moving air provides a better conductive path and cooling method for hot components than stagnant air. Therefore, airflow is a critical parameter in systems where heat build-up is a concern. The ...