Many Electronic circuit projects in simple ways of learning

Simple delay on speaker

If you are building a normally OCL power amplifier. You will hear sound "tlub.." on your speaker. That is not good for your expensive speaker. Also, You also feel annoyed…

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Motor burn out and under voltage protection

This is  a motor protection circuit. It will protect the AC motor burn out  because  under voltage input. The principle is simple, it will check for voltage at all times. Normal voltage is 220V AC. If the voltage falls below a preset. Relay will not work and the LED is a warning.

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