Coqui conductivity sensor

The Coqui: a simple device to read a sensor via an audible tone. We're exploring using audio frequencies to convey sensor readings -- like a modem, but even simpler -- in order to make sensor readings more accessible for people (or to enable data transmission over ubiquitous audio jacks on PCs and smartphones).

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DIY Salinity Measurements with Coqui and/or Multimeter?


Bronwen asked about about 2 months ago


How can we adjust the frequency of the coqui?


liz asked about 6 months ago


answered on Nov 02, 2018 0

answered on Nov 03, 2018 1

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DIY conductivity Sensors


roberts_ecofarm asked about 6 months ago