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 it works. Which can be really useful if you are working with mains voltage. And best part is that its contact less so without any […]
How to make AC Tester | Mains Voltage Detector Circuit | DIY Read More »
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 18650 Li-ion batteries. But, these batteries might be expensive on the internet. In this tutorial, we will see how to recover 18650 Li-ion cells from
How to get 18650 Cells from Dead Laptop Batteries Read More »
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, however, are not enough when we use them as a single unit. Hence, we should connect them in series or parallel configuration. Doing that, we
How to make Li-ion Battery Pack | 18650 Read More »