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logs/device-monitor-260524-164559.log

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+[   103][I][esp32-hal-i2c.c:75] i2cInit(): Initialising I2C Mast
+
+=== ESP32-S3 Rain Barrel System Starting ===
+
+Core: 1, Freq: 240 MHz
+Debug level: 5
+I2C internal pull-ups enabled on SDA=15 SCL=7
+Pin 4 set to HIGH
+I2C scan on SDA=15, SCL=7
+I2C device found at 0x03
+I2C device found at 0x27
+I2C scan complete: 2 device(s) found
+Failed to write PCF8574 at 0x21, I2C error 5
+Pin 17 set to LOW
+00001c) rxPin(5) txPin(6)
+
+[  3701][V][esp32-hal-uart.c:416] uartBegin(): UART2 not installed. Starting installation
+
+[  3710][V][esp32-hal-uart.c:467] uartBegin(): UART2 initialization done.
+
+MODBUS RS485 initialized: RXD=pin5, TXD=pin6, Baud=9600
+Sending init command (FC06 Write Single Register)...
+
+Init Response: E0 (total: 1 bytes)
+MODBUS TX: 01 03 00 04 00 01 C5 CB (CRC)
+Setup complete
+
+
+[  4517][W][Wire.cpp:301] begin(): Bus already started in Master Mode.
+
+LCD init failed, status=-1
+MODBUS RX: 01 03 02 00 03 F8 45 (total: 7 bytes)
+Data Value:     0x0003 (3)
+Received CRC:   0x45F8
+Calculated CRC: 0x45F8
+CRC Check: PASSED
+