Waveshare Industrial 8-Ch Analog Acquisition Module RTU 12-bit High-precision

Waveshare Industrial 8-Ch Analog Acquisition Module 12-bit High-precision

Waveshare Industrial 4-Ch PWM Output Module, Modbus RTU Protocol Isolated RS485

Waveshare Industrial 6-Channel ESP32-S3 WiFi Relay Module, WiFi/Bluetooth /RS485

Waveshare Industrial 4-Ch DC Monitoring Module 16-bit High-Precision Acquisition

Waveshare Industrial Modbus RTU Mixed Input And Output Module, DC 7V ~ 36V

Waveshare Modbus RTU 8-ch Latching Relay Module (C) with RS485 Multi Isolation