=== ESP32-S3 Rain Barrel System Starting ===
Core: 1, Freq: 240 MHz
Extensive logging enabled
Pin 4 set to HIGH
[   622][V][esp32-hal-uart.c:330] uartBegin(): UART2 baud(9600) Mode(800001c) rxPin(6) txPin(5)
[   640][V][esp32-hal-uart.c:416] uartBegin(): UART2 not installed. Starting installation
[   649][V][esp32-hal-uart.c:467] uartBegin(): UART2 initialization done.
MODBUS RS485 initialized: RXD=pin6, TXD=pin5, Baud=9600
MODBUS TX: 01 03 00 00 00 04 84 0A 
Setup complete

MODBUS RX[0]: 0xF0
MODBUS TX: 01 03 00 00 00 04 84 0A 
MODBUS TX: 01 03 00 00 00 04 84 0A 
MODBUS TX: 01 03 00 00 00 04 84 0A 
MODBUS TX: 01 03 00 00 00 04 84 0A