external power for gsm shield
Closed this issue · 4 comments
GoogleCodeExporter commented
can anyone tell me do i need external power for gsm shield sim 900? if yes then
how much ?
Original issue reported on code.google.com by veezo201...@gmail.com on 14 May 2012 at 6:16
GoogleCodeExporter commented
Yes 12V 1A
Original comment by martines...@gmail.com on 15 May 2012 at 6:44
- Changed state: Fixed
GoogleCodeExporter commented
Your power supply system must give up to 2A current to the SIM module! In
addition, place a capacitor at least of 1000uF*10V (or more) near with the SIM
module.
Original comment by dmg...@gmail.com on 15 May 2012 at 6:39
GoogleCodeExporter commented
Thank you for the specifics.
However the shield is provided with a capacitor, so a power supply 12V 1A is
enough.
Original comment by martines...@gmail.com on 15 May 2012 at 9:31
GoogleCodeExporter commented
This issue section is not longer supported.
Please check the support page www.gsmlib.org
Original comment by martines...@gmail.com on 6 Jul 2013 at 11:27