This digital soil moisture sensor is an easy-to-use and reliable tool for measuring soil moisture levels. By simply inserting the sensor into the soil, you can determine the moisture content and water level. The sensor provides a digital output of 5V when the moisture level is high and 0V when the moisture level is low. It also features a potentiometer for setting the desired moisture threshold. An LED indicator displays the output status, making it simple to see when the moisture level crosses the set threshold.
In addition to the digital output, the sensor offers an analog output that can be connected to the ADC of a microcontroller for precise moisture readings. This dual output capability makes the sensor versatile for a variety of applications, such as water gardening projects and other water sensing tasks.
Features
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Operating Voltage: 3.3V to 5V
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Dual Output Modes: Both digital and analog outputs
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High Sensitivity: Detects soil moisture with high accuracy
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Adjustable Threshold: Onboard potentiometer to set moisture level threshold
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Visual Indicators: Power indicator (red) and digital switching output indicator (green)
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Easy Installation: Fixed bolt hole for secure mounting
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Stable Performance: Utilizes LM393 comparator chip
Specifications
| Operating Voltage |
3.3V~5V |
| Output Modes |
Digital and Analog |
| Indicator LEDs |
Power (red), Output (green) |
| Soil Probe Dimensions |
Approx. 6cm x 3cm |
Connections
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VCC: Connect to 3.3V-5V
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GND: Connect to ground (GND)
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DO: Digital output interface (0 or 1)
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AO: Analog output interface
Usage Instructions
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Sensor Placement: Insert the sensor probe into the soil.
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Connection Setup: Connect VCC to a power supply (3.3V-5V), GND to ground, DO to a microcontroller digital input, and AO to an ADC input if precise moisture level is needed.
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Threshold Adjustment: Use the onboard potentiometer to set the desired moisture threshold.
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Reading Outputs:
- Digital Output (DO): Goes high (5V) when soil moisture is above the threshold, and low (0V) when below.
- Analog Output (AO): Provides an analog voltage corresponding to the soil moisture level, which can be read by an ADC for precise measurement.
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Microcontroller Interface: The digital output can be used to trigger alerts or actions in a microcontroller-based system. The analog output can provide detailed moisture data for more sophisticated control systems.
Package Includes
1 x Soil Moisture Sensor module
