Use NE556 better. Why? Imagine you use often the 555 timer circuit. It is so great, right? Of course, we should improve our circuit. Small and save money. NE556 is a dual timer of 555. It is two in one. So, save space and cheaper. In this article, we will learn how does use it, … Read more
See and try building Lie detector circuit. The resistance of human skin using transistors and LED displays is small and easy application. Read more
The Super Small and mini Power Amplifier BCL 1.2W by TDA7052 as Low voltage amplifier circuit 1.5V up to 15V, tiny size and can adjust volume by VR1 […] Read more
We used the two LED flasher with transistors only. Today we come to experiment the 3 LED flasher circuit by 3 transistors astable multivibrator, Read more
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. […] Read more