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SIM18 GPS Module Power OFF

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lock19

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Greetings!

I am currently working on a SIM18 - EVB_V1.02 (GPS Module Evaluation Board).

I am able to switch ON the unit by using the ON_OFF switch but am unable to switch OFF the unit.

Any help would be appreciated...

Best Regards

P.S. Right now, I am using the PWR_IN switch to switch OFF the unit. There should be an alternate way right...
 

Hi,
Do you have any idea how to turn this on/off with a microconrtoller?
 

Reference SIM18 Hardware Design Guide, pg 18, Section 3.2.4 ON_OFF





The pulse to switch modes must be greater than 90us and less than a second.

Apparently, you alternatively could use a command to shutdown the SIM18:

Reference SIM18 NMEA Message Specification Guide, pg 26, Section 2.3.10 Message ID 117: Systems Turn Off





Hope the info helps,

BigDog
 

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