bdahlem

Member Since: March 23, 2006

Country: United States

  • Product DEV-12069 | about 5 months ago

    Another use for theseā€¦ they work well with the MQ-4 Methane sensor if you leave out the supplied battery and hook up to a 5 volt source instead. The alarm will go off for a few seconds until the sensor’s heater warms up, but new firmware could fix that.

  • Product GPS-11571 | about a year ago

    That,s correct. The black wire is the OPPOSITE side from ground. I made this elementary mistake and, though it took a while to debug, fortunately no harm was done.

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