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This guarantees that there is no need to modify the programming under RS-232 half duplex mode
The kit is consisted of transmitter and receiver
Character Pitch: 3
Access control (hotels
Before first intallation make sure that battery has enough voltage for the controller to recognize battery type
Soil Humidity / Moisture Sensor (New Type - Capacitive Sensor) 530 This guarantees that there isA soil moisture sensor can read the amount of moisture present in the soil surrounding it. It is ideal for monitoring garden, or your plant's water level. This is a must have tool for a connected garden. This new type capacitive soil humidity sensor differs from other resistive sensors, adopting capacitive sensing principle to detect soil humidity. Since the circuit is not exposed at the detected end, the corrosion problem of sensor is avoided,
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