IoTextra modular automation boards with 4 inputs, 4 outputs work with Raspberry Pi and ESP32 MCU boards

Last week, we wrote about the Olimex PICO-EVB automation board equipped with four relays and four isolated inputs and designed for Raspberry Pi Pico-compatible boards. Make Things Happy does something similar, but in a modular way, with the IoTextra family of carrier boards with four inputs and four outputs for automation, and supporting a range of IoTsmart MCU boards based on Raspberry Pi RP2350, ESP32-S3, etc… There are currently six IoTextra boards shipping or in development, all measuring 56×47 mm and featuring 3750 Vrms galvanic isolation per channel. All IoTextra modules support different MCU platforms via horizontally or vertically mounted IoTsmart SoM carriers based on Waveshare RP2350 and ESP32-S3 modules, Seeed Studio XIAO boards, and others, all connected via the HOST connector. All IoTextra 8-channel modules support several software ecosystems out of the box: IoTflow framework for no-code programming of distributed MCU nodes over MQTT and Node-RED; used to build custom

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