555 Simple circuit diagram of the timing of time

As shown for the long timing circuitry simple. Press the switch AN start timing, tone PR can alter timing, the timing range from 3 minutes to 220 minutes. If the capacitance C

to 2200 F, the time range can be from 40 minutes to 48 hours. 555 pin output timing control signal. The use of the high power control circuit, will have in the B, C terminus or A, B termination relay. Relay contacts to control the various timings load.

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