powering the sim900 via non arduino mcu

[oldnotdead]

I want to power the sim900 via the 5 volts from my microcontroller (not an arduino). Do i connect
the 5 volts to the hole on sim900 board labeled 4.1 volt ? Please help as I do not want to damage
the board. Thank you.

oldnotdead

[jack]

HI Friend:
If only power 5 volts,that's ok.Don't worry.



Best regards.

[oldnotdead]

thank you for your response, I did connect the 5 volts and it is working okay.