AIN4 to GND - Githubissues

sinara-hw / Thermostat_EEM

Thermostat with 4 TEC and 8 sensor channels in EEM form factor

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AIN4 to GND #27

Closed jordens closed 3 years ago

jordens commented 3 years ago

(Reverses https://github.com/sinara-hw/Thermostat_EEM/issues/3#issuecomment-720581202)

AIN4 should be connected to GND to measure single ended voltages easily.

I misread the AD7172 datasheet and didn't see the option to use the internal reference independent of what's connected to REF+-. Sorry about the confusion.

gkasprow commented 3 years ago

done obraz