Waveshare Industrial 8-Ch Analog Acquisition Module, 12-Bit High-Precision, Supports Voltage and Current Acquisition, DC 7~36V Wide Voltage Power Supply, 8-ch Voltage Mode, 0~10V

Waveshare Industrial 8-Ch 12-Bit High-Precision Analog Acquisition Module, Supports Voltage and Current Acquisition, DC 7~36V, Wide Voltage Power Supply, Rail-Mount Case Design

Waveshare Industrial 8-Ch Analog Output Module, 12-Bit DA Conversion, Supports 8-Ch Simultaneous Voltage Or Current Output, DC 7~36V Wide Voltage Power Supply, Modbus RTU Protocol, Rail-Mount Support

Waveshare Industrial 6-Channel ESP32-S3 WiFi Relay Module, Onboard RS485 / Pico HAT Interfaces, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case