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How can 3 wires run 17 different gauges AND their backlighting?

April 26, 2017backlighting different gauges run wires

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How can 3 wires run 17 different gauges AND their backlighting?

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The 3 wires are 7V regulated power, ground, and data network. The PERFORMAX ESP reads the data from the sensors connected to it, then sends those messages out on the network. Each gauge has a unique ID, and knows which message to respond to.