Logic probe circuit is useful tool to check digital. As meter is used to measure power in electrical. it used for detect logic "1" and "0" or pulse[...]
These are over voltage and low voltage protection circuits, first is simple use LM324 and relay, second is LM393, timer delay IC. both to protect any load. [...]
There are many ways to build a light meter circuit. It is a tool to measure the quantity of light, widely used to a photography, To decide the correctness of…
If you are looking for AC power measurement. To use it just a little, which is not worth it. When we need to buy an expensive tool. Because use little…