SmartSerial on cheap ESP32-8ch-Relais Card
25 Nov 2025 05:47 - 25 Nov 2025 05:57 #339183
by meister
SmartSerial on cheap ESP32-8ch-Relais Card was created by meister
Hi,
i modified the mesa-smartserial-device-template a little bit
and put it on a cheap ESP32 8ch-Relay board for extra Outputs.
i used platformio as buildsystem for easy use, i have also test the code on raspberry-pico,
github.com/multigcs/SmartSerial-ESP32RelayX8Board/tree/main
www.youtube.com/shorts/6ZKBH5xW8OQ
Relay-Board: www.amazon.de/dp/B0FNRH8QSN
Optional: www.amazon.de/TECNOIOT-Two-Way-Transfer-...tional/dp/B081J5R35N
Works fine with 7i92, but have still problems with 7c81 SmartSerial connector, not shure why,
maybe my pinout is wrong or problems with the TX_en stuff.
my Board with RS422 mod:
i modified the mesa-smartserial-device-template a little bit
and put it on a cheap ESP32 8ch-Relay board for extra Outputs.
i used platformio as buildsystem for easy use, i have also test the code on raspberry-pico,
github.com/multigcs/SmartSerial-ESP32RelayX8Board/tree/main
www.youtube.com/shorts/6ZKBH5xW8OQ
Relay-Board: www.amazon.de/dp/B0FNRH8QSN
Optional: www.amazon.de/TECNOIOT-Two-Way-Transfer-...tional/dp/B081J5R35N
Works fine with 7i92, but have still problems with 7c81 SmartSerial connector, not shure why,
maybe my pinout is wrong or problems with the TX_en stuff.
my Board with RS422 mod:
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