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 […]
Power Supply Circuits
Solar Powered Mobile Charger Circuit
Now days mobile phones are very important part of our life, but charging it always need electricity. If we are outside or village side where there is no power then problem comes; so this small Solar Powered Mobile Charger Circuit can give 4.7V output from 9V solar panel. Also, it is simple and with low […]
Slow Voltage Rise Power Supply Circuit
Sometimes when our circuit power is ON a big current comes suddenly and this sudden current can damage parts like IC, capacitor and transistor; so to stop this we make Slow Voltage Rise Power Supply Circuit. This circuit gives voltage slowly but not full at once, so circuit become safe and work is quite reliable. […]
High Current Adjustable Regulator Circuit with 30V 3A Output
To begin with, in this article IC LM723 chip controls the voltage and it gives stable DC output, voltage and current adjustable; output voltage range is 2V to 37V and up to 150mA and input is max 40V. Here, High Current Adjustable Regulator Circuit with 30V 3A Output is good for lab supply and projects […]
High Current 12V Voltage Regulator Circuit using Transistor
Voltage regulators is very important in power supply as they keep voltage steady and even if input voltage changes or load changes. Also, this circuit give steady 12V output with max 3A current and if current need more than 3A then it still works good for regulation. High Current 12V Voltage Regulator Circuit using Transistor […]
Simple Voltage Splitter Circuit using uA741 Op-Amp
This Simple Voltage Splitter Circuit using uA741 Op-Amp is a useful and easy project to make; it split one power supply to two equal parts and make virtual ground in middle. Also, circuit is good for project that need two power supplies but have only one power source and current depends on op-amp specifications. Here, […]