The EEZ DIB SMX46 module features programmable 4 x 6 switch matrix, dual analog outputs and one power relay.

• On-board STM32F030C6T6 or STM32F031C4T6 MCU
• 2 x 16-pin dual row 3.81 mm connectors
• 2 x ADIB connectors (10-pin 2 mm)
• 4 x 6 switch matrix (24 two-wire crosspoints), max. 2 A
• 1 x power relay, max. 8 A / 230 Vac
• 2 x analog output 0 - 10 V, 10 mV set resolution (12-bit)
• On-board +3.3 V LDO
• Firmware download via UART
• Optional SWD for debugging
• I2C EEPROM for storing board specific parameters
• Dimensions: 146 x 95 mm, 2-layer PCB

https://github.com/eez-open/dib-smx46-fw