In this post I have explained a simple electronic door circuit for pets which can be used as an electronic dog door for allowing only your specific pet dog to […]
Transmitter Circuits
Bluetooth Function Generator Circuit
In this article I have explained a simple Bluetooth function generator circuit which can be used for testing and troubleshooting various critical audio video equipment and gadgets Using a Function […]
Laser Communicator Circuit – Send, Receive Data with Laser
In this article I have explained how to make a simple laser communicator circuit for sending and receiving data through laser beam. Laser has been a boon since its invention. […]
Wireless Cellphone Battery Charger Circuit
A wireless cellphone battery charger is a device that charges a compatible cellphone or mobile phone placed close to it, through high frequency wireless current transfer, without any physical contact. […]
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 […]
10 Simple FM Transmitter Circuits Explained
An FM transmitter circuit is a high frequency wireless device which is able to transmit voice signals into atmosphere so that it can be received by a corresponding FM receiver […]
