What is a Switching Power Supply?
A switching power supply offers a higher efficiency and smaller size compared to a linear power supply. Learn how it works and more here. Read more
Ni-MH battery charger using LM317T
Here is Universal nicd and nimh battery charger circuit. It use IC LM317T ( Hot IC) Control Current less 300mA, Size battery 2.4V,4.8V,9.6V. Low cost circuit Read more
Understand these About xenon flash circuit Before It’s Too Late
Do you have ever seen the xenon flash? It looks remarkable, stimulates the interest very well. Understand these to improve your skills. I trust you can do it. There are 3 xenon flash circuits. Although, these are easy and not more. But you may like it as a good basic teacher. First, let’s look at … Read more
Cheap & Small hearing aids circuit project
Imagine your dad is old. Sure, he hears anything weak sound.
How do you do?
You are an electronics inventor, right?
Yes, you can try to make a tool. To help him back to listen to great music again.
This project is small, use only one 1.5V battery. Using normally components you can buy in stores near you. Read more
Automatic led night light switch
Automatically change the dark corner of the house to be brighter with LED. No AC main but can run with battery solar charger. Do not doubt that How does it work or is it easy? Let’s learn. Read more