TEL0097 SIM808 shield -- external power?

Account cancelled 2018-09-29 05:38:49 5075 Views2 Replies
Somewhere in the docs it says this shield requires external power (Arduino header pins are insufficient). How do you attach power to this shield? There is no connector other than the Arduino header?

2025-10-03 16:29:47

I"m using an Arduino Mega and a 9v 2A power supply. However, I'm getting a lot of ‘brown outs’ where the system will work for a while and then switch off and stop communicating.

What can I do to ensure system stability?

Thanks!

LeeBaz

2018-09-29 22:49:34 Just power the Arduino with external power. robert.chen

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