Soil moisture detection circuit
Source: InternetPublisher:风向西瓜 Keywords: Soil moisture detection humidity detection circuit LED BSP Updated: 2021/04/21
Soil moisture detection circuit
Shown is a common soil moisture detection circuit. The sensor device of this circuit is composed of a humidity probe sensor.
This circuit mainly indicates the different moisture status of the soil through the display status of two light-emitting diodes: when both diodes do not emit light or emit
dim light, it means that the soil moisture is suitable for the growth of the plants; when LED 1 is on and LED2 is not on When LED1
is off but LED2 is on, it means the soil moisture is too low.
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