Praktischer Bodenfeuchtesensor Bodenfeuchtigkeit DC 3,3-12V Detektor Sensor
13,53 €
Do not connect it in reverse, otherwise it will burn the chip. After connecting, the "P" power indicator is on, and the module is working normally. When the detected value is greater than the set value, DO outputs a low level, the triode is turned on, and the load acts.
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