A relatively simple 1000 watt pure sine wave inverter circuit is explained here using a signal amplifier and a power transformer. As can be seen in the first diagram below, […]
Blog
Transformerless UPS Circuit for Computers (CPU)
In this post we discuss how to build a simple UPS circuit for backing up computers or PCs during sudden power failures or brownouts. Introduction Normally when we talk about […]
How to use Eagle CAD
Eagle CAD is a Professional PCB design package from the German company CadSoft. It offers an array of licenses, some of which allow individuals to use the package virtually free […]
RF Signal Meter Circuit
In this article we discuss the circuit details of a couple of very interesting and sensitive RF signal meters, which can be used for measuring the RF strength of the […]
Very Low Frequency (VLF) Detector Circuit
Low frequencies predominantly cover our earth’s atmosphere. This range of frequency may be created by many different sources which may be quite unknown and strange. A VLF sensor equipment can […]
How to Make LED/LDR Opto Coupler
My good friend Mr. Chiverton shared his experience regarding the features of an LDR in comparison to phto-transistors for making opto couplers. Let’s learn what he discovered regarding opto couplers […]