Soil hygrometer detection module smart car Arduino Robotics soil moisture sensor

Soil hygrometer detection module smart car Arduino Robotics soil moisture sensor

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$1.25

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Details

Details

Soil hygrometer detection module smart car Arduino Robotics soil moisture sensor description 1. Summary of the moisture sensor can be used to detect soil moisture, soil water when the module outputs a high level, whereas the output low. It can be used to make an automatic watering system. 2. Adjustable sensitivity 3. The operating voltage of 3.3V-5V 4. The module dual output mode 5. A fixed bolt hole for easy installation 6. Small PCB board size: 3cm * 1.6cm 7. Power indicator (red) and digital switching output indicator (green) 8. comparators LM393 chip, stable Small plate interface specification (4-wire) 1. VCC external 3.3V-5V 2. GND External GND 3. DO small board digital output interface (0 and 1) 4. AO small plates analog output interface Instructions for use 1. Soil moisture module for humidity most sensitive, generally used to detect soil moisture. 2. Module soil moisture reach the set threshold, DO port output high, when soil moisture exceeds the set threshold, the module D0 output low; 3. Small board digital output D0 can be directly connected to the microcontroller through the microcontroller to detect high and low, thereby detecting soil moisture; 4 small board digital output DO OUR relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment; 5. The small plates AO analog output module can be connected to AD, by the AD converter, you can get more precise values ​​of soil moisture; Shipping list 1. Soil moisture detection module finished plate set (including detection plate and soil moisture probe) 2. 20cm Dupont Line 5

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Special Requirements

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