The post explains how to interface an existing Arduino PWM signal with any inverter to convert it into a sine wave equivalent inverter. The idea was requested by Mr. Raju […]
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Make this LED Cricket Stump Circuit at home
In this post we learn how to make an illuminated LED cricket stump and bails for helping umpires declare a foolproof OUT, NOT-OUT decisions. The Circuit Concept You might be […]
Simple Cellphone Jammer Circuit
This is a RF jammer designed for the U.S. 800 MHz cellular phone band (870-895 MHz). This works by generating an overwhelming sweeping RF carrier on the cell phone handset’s […]
Extended Telephone Ring Amplifier/Repeater Circuit
The discussed phone repeater circuit can extend the range of your land line ring sound from the phone such that one is able to make a call heard in another […]
Differential Temperature Detector/Controller Circuit
The circuit identifies and detects the temperature difference between two sensors and activates a relay when the temperature is not identical on these differently positioned sensors. By: Manisha Patel It’ll […]
Make this Simple Set Reset Circuit using IC 555
In this post we learn a simple IC 555 set/reset application circuit for activating or deactivating a relay alternately. Circuit Operation This electronic set reset circuit is very simple, easy […]