Here are the basic electronics tutorial circuits for beginners. You can find here tutorials on operational amplifiers (opamp), transistor, MOSFETs, 555 timer IC, audio amplifiers and many more.

Automatic battery charger circuit 12V auto cut off
Electronics tutorial OP-AMP tutorial Opamp based project Power supplies

Automatic Battery Charger circuit using LM358 OP-AMP

This Automatic battery charger circuit cuts-off power supply when the battery gets fully charged. This circuit can charge any battery like Li-Po, Lead Acid, or Ni-Cd if you set it properly. Everyone needs a Battery Charger with a Battery. It charges the Lead Acid Battery up to 50Ah. You can set the battery cutoff threshold by setting […]

water level indicator ,bc547 transistor
Bc 547 transistor projects Electronics project Electronics tutorial

water level indicator using bc547 transistor

Learn how to make a very simple water level indicator using transistor bc547 at home in a few simple steps as follow… before starting you should have a basic knowledge of how a transistor works. watch this video for a better understanding. Basic principles: Transistor is a device which is used for amplification or switching […]