hi all, i embed adafruit.io dashboard with mqtt node bu i don't know how to use payload data to switch led

Again, if you shared more details on what you have tried, we can help you better. A Function node along the lines of the following would do it. if (msg.payload === "ON") { msg.payload = 1; } else if (msg.payload === "OFF") { msg.payload = 0; } else { // Don't recognise ON or OFF, so retur…

mani2411 4 March 2019 16:26 11

i am a newbee to this and don't know about js so i tried if loop to do so but not working but its giving error kindly assist me with function node code

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Mqtt with adafruit io

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