i have an arduino for use with 5v sensors, currently have a mq2 gas sensor, getting the data in node-red, gpio node, and publishing with mqtt node, then in op subscribe mqtt tab and setting message to sk "notifications fire" thats for the digital pin.. then a chart on the dash shows the data of the analog pin as concentration .going to use it in the propain locker.i have another to use as smoke detector or under the stove..
Anyone sending Signal-k from Arduino?
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