This Python project can control up to 64 individual 8 channel R421A08 relay boards from the command line and GUI. It uses a universal USB - RS485 dongle. Python packages for easy application ...

See UG-004_OXY-LC-User-Guide for full implementation details for modbus with OXY-LC This repository provides Python code for interacting with an OXY-LC-485 oxygen sensor using the Modbus RTU protocol.

Usually, it’s a bad idea to power a Raspberry Pi CM4 system via a 5V/2A USB adapter, but considering this board does not expose USB 3.0 or PCIe interfaces, and the load on the processor should be ...

We have previously written about various industrial Raspberry Pi systems and gateways that come with RS-485 built in, but we had yet to cover a dedicated RS-485 Raspberry Pi HAT. To fill this gap, ...

This is an USB to RS485 Converter Adapter module which supports WIN7, XP, Vista, Linux, Mac OS and provides an easy to use RS485 interface by means of using COM port in the computer. This module is ...