How to make AC Tester | Mains Voltage Detector Circuit | DIY
Introduction, Hi and welcome back to a new tutorial. In this tutorial we are going to make this simple 3 Transistor contact less Mains voltage detector circuit. And understand how…
How to get 18650 Cells from Dead Laptop Batteries
Introduction When we test the projects on lab bench, we can use the power supply. But when we need portable projects, we need to have portable power supply such as…
How to make Li-ion Battery Pack | 18650
Introduction A lithium-ion battery or Li-ion battery is a type of rechargeable battery. We commonly use Li-ion battery for portable electronics. Therefore, they are getting popular in military and aerospace industries. Li-ion batteries,…