Power on delay circuit for refrigerator.
Power on delay circuit for refrigerator.
Refrigerator amps may vary but typically can spike around 15 amps.
The alarm would need to be activated by light.
Ok i am still working on the refrigerator alarm.
Power on delay circuit for refrigerator.
The alarm would need a delay when power was applied so the alarm module could be placed.
Power on delay circuit for refrigerator.
Most refrigerators run between 3 to 6 amps the unit of measurement for electrical.
The delay circuit and your one shot circuit work fine.
This circuit can be used with 220 volt house power.
By contact of the relay switch to acting.
When 220 volt power input to the circuit the lower the voltage to 220 volts to 15 volts with r1 r2 c1 and c2 current limiting it to about 41 milliamps.
This safeguards your food too.
The simple delay turn on the monitor circuit.
General electrical best practices end up shaping the way a kitchen is wired for electrical power.
I wanted to add a latched led flashing type to indicate that the alarm had been triggered.