how to make delay timer circuit?

how to make a delay timer circuit:

This is a delay circuit diagram. we can set the time. because this circuit has an adjustable variable, we use 1 mega adjustable variable to set the time. sometimes we need 5 seconds. sometimes we need 10 seconds. It’s needed according to our work. where we are using this circuit. this circuit can run using 12 volts to 15 voltage. here used a 12 voltage relay. if we use a 6 voltage relay then we can use 6 to make delay timer circuit?

how to make delay timer circuit

Here used only one 12 voltage relay. and one 1 mega variable. and 2 capacitors 220uf 16 voltage. one LED. one resistor 1K. 2 1N4007 diodes. here we can get PCB to print to make this circuit.

how to make delay timer circuit

We have lot of circuit diagrams. like transistor amplifier circuitSTK amplifier,  motor controllerInverter circuit diagram, Subwoofer circuit diagram,

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how to make delay timer circuit


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