PaxInstruments / t400-electronics

Electronics for the Pax Instruments T400 temperature datalogger
20 stars 9 forks source link

Have a 32u4 pin ground the V_BATT voltage divider #72

Closed charlespax closed 10 years ago

charlespax commented 10 years ago

There are spare pins on the 32U4 go low to measure the battery voltage. This will prevent that part of the circuit from drawing any current when no measurement is being taken.

charlespax commented 10 years ago

Done. Bring VBAT_EN low to enable battery voltage measurement.

charlespax commented 10 years ago

screen shot 2014-09-07 at 13 00 09