Want to save energy bill? then try this Simple PWM Solar Charge Controller Circuit and get power from sun. It helps to charge battery from solar panel safely and it also gives power to DC load like LED bulb or fan. Just connect solar, battery and load and then controller will do all smart work […]
Power Supply Circuits
DIY Solar Battery Charger Circuit
This is a small DIY Solar Battery Charger Circuit project, which charges one 3.7V lithium battery using sunlight; also we can use solar cell, TP4056 charger board, one diode, one switch and one boost converter module.. This circuit make 5V power for battery and mobile charging. Graph for lithium battery charge over time: The above […]
Simple Solar Mobile Charger Circuit
Mobile phones need charging every day and in remote areas power is not always there; so solar charger is best option. Sunlight is free and always available in day and small solar panels can make a charger for phone; also this project is about Simple Solar Mobile Charger Circuit Circuit Working: Parts List: Components Values […]
Simple 3.7V DC to 220V AC Inverter Circuit
Inverter is brain of backup system and without inverter, battery is useless for AC, as it changes DC power to AC power. We can use inverter at home, solar and for battery backup, as this project is a mini and Simple 3.7V DC to 220V AC Inverter Circuit Also, only with a 3.7V battery, one […]
Smart Energy Meter Circuit with Arduino UNO
Electric bill increasing day by day; so we need smart way to measure power use. Here is a simple project using Arduino UNO, ACS712 current sensor and 16×2 LCD with I2C and it shows real time current, voltage and power. Also, this project for Smart Energy Meter Circuit with Arduino UNO help to monitor load […]
Small UPS Circuit for Router Backup
Never lose connection again, make this Small UPS Circuit for Router Backup. When a power cut occurs, the internet goes off and the router and modem stop working; therefore, a small UPS can solve this problem. This give backup to DSL modem and WiFi router and also this circuit is with simple parts, easy to […]