2x NE555 Relay Module Adjustable 0-10 Second Time Delay Relay Module 5V CT

Main chip: NE555. For example: Capacitance 100uf resistance 100K T = 1.1 100000 0.0001 = 11 seconds. Turn on the power relay to pull in and off at a fixed cycle of 1-10s. The state of the relay output is: normally open and common conduction, normally closed an.

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