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 ...

Modbus is a Serial Communication protocol which was discovered by Modicon in 1979 and it is used for transmitting data over serial lines between the industrial electronic devices. RS-485 Modbus uses ...

M5Stack is known for its ESP32 based building blocks for the IoT with WiFi & Bluetooth wireless connectivity, I/O headers, and block-specific features like a tiny color display, a speaker, a ...

VPInstruments released a new version of the VPLog-i current sensor, with Modbus interface. The VPLog-i-R is the only Rogowski type current sensor with RS485 (Modbus RTU) output. It is now possible to ...

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 ...