The post discusses a DTM based FM remote control circuit which can be used for controlling 4 individual appliances remotely by pressing four corresponding buttons on the DTMF transmitter handset. […]
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Ultrasonic Weapon (USW) Circuit
The post discusses a simple ultrasonic weapon circuit also called USW, using very ordinary parts such as IC 555 and a few other passive components to generate the required ultrasonic […]
Free Energy Receiving Concept – Tesla Coil Concept
For a novice, to understand more on Free Energy Receiver concept, let’s consider a solar-electric panel; widely used as an alternative to electrical energy. Discussing Nikola Tesla’s Free Energy Concepts […]
Stereo FM Transmitter Circuit using IC BA1404
The following posts explains how to build a simple to build FM stereo transmitter circuit using IC BA1404. About the IC BA1404 An exceptional stereo audio FM wireless transmitter circuit […]
LM386 Amplifier Circuit [Working and Application Circuits]
The IC LM386 is a 8-pin tiny power amplifier chip, specially made for operating under relatively low voltage parameters, yet provide considerable amplification. IC LM386 amplifier circuit becomes suitable for […]
Charging a Small NiMh Battery from Air
In this post we will try to investigate a circuit which can charge a small Ni-Mh battery by extracting free energy from the ether or air. Let’s learn more Discussing […]