Power supply: DC 5V, 9V, 12V,  24V Reverse polarity
3 Relay panasonic 10A

2 Input Isolate opto

One port read DHT21 sensor (temp and humidity)

RS485, read sensor out modbus rtu

Lora E32 915T30S 1W 10km

ESP32 WiFi, Bluetooth

Fan 5V

Upload code via CP2102 port usb
I can share all blueprint. Contact me THANHNAMLT5@gmail.com