Capacitive or Resistive soil/air moisture sensor. Microcontroller: (e.g., ESP32, Arduino Nano, or STM32). Power Supply: 3.3V - 5V DC.
If moisture falls below a pre-set threshold (e.g., 5. Safety & Maintenance Moisture_Detector_100.7z
: Circuit diagrams, PCB layouts (Gerber files), and Bill of Materials (BOM). /Docs : Data sheets for the hygrometer sensors used. Capacitive or Resistive soil/air moisture sensor
Re-calibration is recommended every 6 months to account for sensor drift. PCB layouts (Gerber files)