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.

Read Input Register Values of Modbus Serial-RTU-RS485 Device in Python using pymodbus Library.ipynb ...

Seeed Studio has recently released the Modbus Vision RS485 and SenseCAP A1102 (LoRaWAN) outdoor Edge AI cameras based on ESP32-C3 SoC through the XIAO-ESP32C3 module for WiFi and the Himax WiseEye2 ...

M5Stack Atom DTU LoRaWAN Kit features ESP32 ATOM Lite, ASR Micro ASR6501 LoRa module, and one RS485 header with Modbus protocol support.

Energy demand and supply all over the world is increasing in size and complexity. Anomalous conditions caused by failures in electrical components, human errors and environmental conditions result in ...

RS485 has high applicability as a communication interface, and plays an important role in industrial control, instrumentation and instrumentation mechatronics. Based on RS485, this paper studies the ...