Introduction We have gotten increasingly reliant on technological devices and gadgets these days. We are just unable to live without them, from cell phones to earphones we can’t live without them. However, these gadgets, can’t operate … Read more
usb charger
You never know when your phones or devices can run out of charging and you’re having an emergency. In these situations, an emergency charger always comes in handy. There are various power banks available in … Read more
Emergency Cell Phone / Mobile Charger
In this tutorial, we are discussing a DIY bicycle USB charger circuit. This will use the output power of a bicycle dynamo to produce a regulated 5V output to charge any electronic devices. A bicycle … Read more
DIY Bicycle Dynamo USB Charger
This is an engrossing DIY project of a simple ‘Solar Powered Cell phone or USB charger’. This solar-powered USB battery charger utilizes to charge many electronic appliances. Moreover, this small circuit can be charge from … Read more
DIY Solar Cell Phone or USB Charger
A USB vehicle charger circuit project is a DC power converter that converts the 12V vehicle battery voltage into a 5V stable voltage. This circuit utilizes to supply power from a vehicle cigar lighter socket … Read more
USB Car Charger using LM7805 IC
In this tutorial, we are demonstrating a USB portable charger. Which can use to charge a mobile phone, iPod, Mp3 player, etc. just with a 9V battery. So next time when you find yourself in … Read more