Never lose connection again, make this Small UPS Circuit for Router Backup. When there is power cut then internet goes off. Router and modem stop. Small UPS solve problem. This give backup to DSL modem and WiFi router. This circuit is with simple parts, easy to build and with low cost. Circuit Working: Parts List: […]
Inverter Circuits
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Arduino Based Power Inverter Circuit
Inverter is a useful device in electronics. It changes DC (Direct Current) to AC (Alternating Current). In this project for Arduino Based Power Inverter Circuit we will make simple inverter using Arduino. It takes 12V DC and gives 230V AC. We have used Arduino UNO, IC 7809, some transistors and a reverse transformer to get […]
Frequency to Voltage Converter Circuit using IC 555
Input signal with some frequency goes into FVC (frequency to voltage converter). Output is DC voltage which matches that frequency. We can make Frequency to Voltage Converter Circuit using IC 555 in monostable mode. FVC useful for many things where we need check frequency like: Circuit Working: Parts List: Category Description Quantity Resistors (All resistors […]
Simple 20 Watt Fluorescent Inverter Circuit
Imagine we have normal car battery and we want to use it for fluorescent light. But the battery voltage too low and it does not work like this. So we use special and Simple 20 Watt Fluorescent Inverter Circuit like a magic box. This box has transformer, transistor and other parts which change low voltage […]
220V Inverter Circuit using 2N3055 Transistors
This article show how to make a strong 220V Inverter Circuit using 2N3055 Transistors. It can change 12V battery like car battery into 220V electric for home. It is easy to make and does not need many parts, and work very good. WARNING: But be very careful. Homemade inverter can be dangerous always check safety […]
9V to 300V Converter Circuit
This smart design for 9V to 300V Converter Circuit changes a small 9V battery power into big 300V power. It uses only one transistor and is very simple and easy for one to try. This circuit is good for learning and for small projects. What is a 9V to 300V Converter: A circuit called as […]