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YL 69 Sensor and HC 38 Module Soil Hygrometer Humidity Detection Water Sensor Module for Arduino/Raspberry Pi
- This is a simple high quality water sensor, which can be used to detect soil moisture
- With power indicator (Red) and digital switching output indicator (Green)
- Dual output mode, with a stable LM393 comparator chip
- PCB Dimension: 3 x 1.5 cm, soil probe Dimension: 6 x 2 cm
- VCC: 3.3 V - 5 V, GND, do: Digital output interface (0 and 1), Ao: Analog output interface