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Triac Optocoupler Application

Optocoupler Tutorial and Optocoupler Application

The post explains a simple yet effective automatic plant irrigation system circuit which can be used for automatically sensing soil humidity and triggering a water pump when the ground gets parched below a predetermined level (adjustable). The circuit is rather straightforward and uses a single IC 555 as the main active component. Referring to the …

The post explains a simple automatic plant watering circuit which can be used for implementing an automatic field irrigation system.

Cellular Phone calling Detector

Free electronics projects and circuit diagrams for hobbyists. Complete instructions how to make your own electronic devices. Schematics of power supplies, LED devices, audio amplifiers.

High Power 2200W Amplifier Circuit transistor amplifier audio amplifier circuits

High cost an amplifier project if you want to go ahead our friend minding amp circuit Proteus ares with PCBs have drawn 56 Mosfets

Clap Switch Circuit Diagram electronic project

Clap Switch is a basic Electronics mini-project, made from the basic components such as 555 Timer, Transistors LED Resistors, Capacitors.

Interruptor crepuscular.

Circuit Diagram and working of Automatic Street Light Controller Switch Using Relays and LDR. It automatically turns on and off street lights.