A single Arduino Uno/Mega can carry up to 14 RS-232 boards. Each board is distinguished by ID, which is set via a DIP switch.
How to use RS485-based Modbus with a Raspberry Pi 3B+ and an RS485 HAT.
Easily connect Arduino boards at a great distance over RS485 with Visuino.
How to connect GPS, SONAR, sensors, auto pilot units, etc. in ships and boats via NMEA 0183 to Raspberry Pi.
Pilot a Push6060 with ATOM and Tail485 with IUFLOW
The modbus RTU sensor XY-MD02 can be easily installed using a RS485 connection through a serial port to send temperature and humidity.
Modbus RTU with Waveshare ESP32-P4 high performance development board and RS485 HAT for Raspberry Pi.
The "IoTPi" multi-channel relay module board, which uses the Raspberry Pi microcontroller "RP2040, " has gained traction on Kickstarter.
ESPRanger is a compact and powerful STEM Community board that includes LoRa GNSS IMU RS485 Wide Operating Voltage 5-60V SDK
Connect your Feather microcontroller board to Modbus RTU via an RS485 wing.
ESPKite | ESP32-C6 SX1262 E22-900M22S E22-400M22S LoRa RS485 5-60V Relay Output. 868 MHz and 433 MHz Versions.
UniLink Modbus is a portable Modbus reader that enables real-time system monitoring, improving troubleshooting and optimization in industrial
Connect RS485 devices to LoRaWAN using ESP32-S3 and RAK3172 for long-range industrial IoT monitoring.