5-30 V Verzögerung Relais Platine Timer Steuermodul Micro USB Power Trigger Schalter
1,84 €
Providing a low pulse signal, or touch trigger key, relay and indicator lights. For example: 22uf capacitor and resistor 1M, then T = 1.1 0.000022 1000000 = 24.2 seconds. With a relay indicator.
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