Woodstock Low Power
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03-28-2018, 05:15 PM
Post: #111
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RE: Woodstock Low Power
Hello Bernhard,
(03-25-2018 12:55 PM)PANAMATIK Wrote: According to the datasheet of the GPS voltage booster only input voltages above 1.2V would enable the booster. ... I had a thorough look at the datasheet in the meantime. There is a 100k pullup-resistor on the Polulu board that connects the SHDN (shutdown) pin with Vcc whenever there is no connection to that pin, thereby switching on the voltage booster by default. I now desoldered that resistor and leave it to the pulldown resistor in your Woodstock LP board to make sure that the voltage booster is disabled unless turned on explicitily. Over the next days/weeks I will observe the battery voltage and report what happens. Regards Max |
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