[robomaniac] shows us some serious application of modern technology with his recent Instructable, (the) Arduino-Fart-O-Meter. The wireless device uses a “perfboard Arduino” to read a remote wired methane sensor, and send data over a nRF2401A radio transceiver.
“The data” is picked up by another Arduino / transceiver combo, which then drives a servo motor connected to the pointer. The … Read the rest
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