A battery charger circuit for charging any kind of 12v battery
The PowerPulse Inverter converts 12V DC to AC voltage using square wave pulses, offering modular design for easy troubleshooting and upgrade
Track the 230 VAC power line with your favorite HW using a small, efficient, and inexpensive circuit.
Things you should know using ESP8266 WiFi module for its safety and easiness as it's very delicate module to use.
This very simple and inexpensive circuit will reset the fuses on a bricked ATtiny chip. Once programmed, no Arduino is required!
A mini UPS for your WiFi router made from old laptop batteries
DC-DC Buck Converter to step down voltages from 55V max to 1.2V-55V
This solar powering unit is a time-switching, battery-powered, solar-charged circuit for Arduino.
A simple and inexpensive solution is to use a 'mobile power bank'
After you read this post, your projects will never run out of power after a power outage.
A 3V to 20V portable rechargeable power supply from off-the-shelf components. Powered by a single 18650 battery.
DC to DC converters are quite popular among electronic enthusiasts and are widely used within the industry
Revolutionize your power solutions with our DIY 200W Smart Mini Inverter PCB featured on Hackster. io! Elevate your electronics projects.
If you have 9v battery but you need constant 5v power supply. Then this is the easiest way to make it.
An interesting project that describes how to make several useful devices using a CFL bulb ballast, with minimal modification.
I repurposed a USB current/voltage monitor dongle I bought on eBay to display the voltage and current of my homemade power supply.
This circuit divides the voltage to three ranges: 12V DC, 9V DC and 5V DC.
First test of a separate Power Supply Module 3.3V and 5V.
The solar powering unit presented here has a timer which turns on the Arduino in regular intervals.
Low Noise Adjustable Linear Double Output AC-DC Power Supply
A non microcontroller project, A battery charger and overvoltage protector. Can be used as universal battery charger for lithium/ lead acid.
Make your own DC-DC Boost Converter to step up DC voltage
This power bank allows you to charge your mobile phones anywhere at any time when you do not have access to the ordinary charger.
