How to control a load with a digital circuit like Arduino? A transistor relay circuit may be answered for you. The output pulse from the digital circuit to biased the transistor is ON. Then, it drives the relay as a switch ON-OFF. To power to any circuits or external devices. Basic Application Relay The Controlling … Read more
The old circuits is basic electronics that everyone need to learn! Read more
People like TDA2822. Me too. Why? Dual Amplifiers in one. Power watts at 1W + 1W at 4 ohms speakers. Is it enough? Read more
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
