The shop shutter guard circuit discussed here guards your shop when its shutter is closed i.e., at night if an intruder tries to break the shutter, the piezo senses the […]
Simple Walkie Talkie Circuit
The article explains a simple walkie talkie circuit that can be easily built by any hobbyist and used for communicating between rooms or floors or simply for having some fun […]
Simplest 100 Watt LED Bulb Circuit
The article discusses a very simple 100 watt LED bulb circuit using a few high voltage capacitors. The entire circuit could be built at a cost less than $25. I […]
Simple Automatic Plant Watering Circuit for Monitoring Soil Moisture
This automatic plant watering circuit can be used for automatically sensing soil humidity and triggering a water pump when the ground gets parched below a predetermined level (adjustable). Circuit Operation […]
2 Simple Induction Heater Circuits – Hot Plate Cookers
In this post we learn 2 easy to build induction heater circuits which work with high frequency magnetic induction principles for generating substantial magnitude of heat over a small specified […]
Simple TV Transmitter Circuit
The TV transmitter circuit presented in this post incorporates the European standard FM frequency for audio and Video up-links. Referring to the circuit below, Q1 is configured as a preamplifier for […]