Component Reference: R4PIN08 Modbus RTU I/O Expansion Board
The R4PIN08 is an ultra-compact, multi-function Modbus RTU expansion board. It is the perfect bridge for hobbyists looking to master industrial logic using Python. Its unique design allows you to select its physical role (Input vs. Output) using surface-mount jumpers (0603 0Ω resistors or simple wire bridges). 🔄 Configurable I/O Modes The hardware personality is … Read more