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Build a Solar-Powered Water Quality Monitoring Buoy with ESP32, pH & Turbidity Sensors
Comprehensive step-by-step engineering guide for building an off-grid solar-powered water quality telemetry buoy using ESP32, analog pH, optical turbidity, and DS18B20.
ESP32-WROOM-32 (Deep-Sleep Enabled Telemetry Node)Water Quality Probes: Analog pH Sensor with BNC Conditioning Board, Optical Turbidity Sensor (NTU), DS18B20 Waterproof Temperature Sensor (1-Wire)Power Stage: 6V 5W Monocrystalline Solar Panel + CN3791 MPPT Solar Charger + 18650 Li-ion BatteryTelemetry: Long-Range Wi-Fi / LoRaWAN Fallback Telemetry, Local Cloud Logging, Deep Sleep Power BudgetingTarget Search Intent: "Analog pH sensor voltage drift 3.3V vs 5V ESP32", "Turbidity sensor ADC nonlinearity ESP32", "Deep sleep RTC wake-up timer drift", "Solar water quality monitoring buoy"1 Code • 0 CAD
Download verified Arduino C++ firmware, pinout table, and BOM for Build a Solar-Powered Water Quality Monitoring Buoy with ESP32, pH & Turbidity Sensors.
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