Intermittent time adjustable timer circuit composed of 555
The intermittent time adjustable timer circuit is constructed as shown in Fig. 555. The timer includes an AC buck, rectification, voltage regulator circuit, and an astable multivibrator with a constant current source and a relay control circuit. This circuit is used to control the motor and is connected for 1~3 minutes every 1~2 hours. The working time and stop time can be adjusted independently.
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