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DIY Electronic Kit for Soil Moisture LED Light Soil Moisture Sensor
5.04 ratingsThe DIY Electronic Kit for Soil Moisture LED Light Soil Moisture Sensor is a value-for-money product designed for DIY enthusiasts and makers. Customers praise its easy to set up and use and fast and responsive.
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About This Product
The DIY Electronic Kit for Soil Moisture LED Light Soil Moisture Sensor is a value-for-money designed for DIY enthusiasts and makers. Customers highlight its easy to set up and use and fast and responsive.
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Description:
When the probe is inserted into the soil, if the soil is dry, the resistance at the two poles of the probe is very high, and the base of V1 is at the low level V1, and the LED1, LED2 and LED3 are in the off state. When the soil humidity increases gradually, the resistance at the two poles of the probe gradually decreases, and V1 begins to conduct. After the current is limited by resistor R1, the LED 1 is lit. At this time, because the circuit of LED 2 is connected with diode VD1, it needs to be driven by higher voltage. Similarly, LED3 is also connected in series. Only with the humidity gradually increasing, the number of LED lights can light up more.
Product name: Soil moisture sensor
Product size: 26*48MM
Working voltage: DC5V
Package Include:
1× Electronic Kit
This is an unassembled kit; you will need to assemble and solder it.
