Arduino Serial - Node-RED - ioBroker
This Node-RED flow is between the serial connected Adruino UNO via USB port and the ioBroker. For this example are 2 switches und 2 relays on Arduino digital GPIOs connected. The Arduino is also working stand alone. Node-RED is listing on the Arduino’s serial monitor and send the data to ioBroker. Also ioBroker is sending commands to Node-RED and Node-RED do an forward to the Arduino’s serial monitor. The Sketch for the Arduino you can copy from https://www.4hf.de/raspberry-pi/iobroker-node-red-raspberry-serial-arduino-heimautomation-209.htm
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