I also got this answer from the manufacturer, Waveshare; "For stable working, we recommend you to connect external power adapter as
sometime the peak current of the SIM module may reach to 2A."
Search found 2 matches
- Mon Jun 03, 2019 8:34 am
- Forum: HATs and other add-ons
- Topic: Anyone familiar with the Waveshare GSM/Bluetooth Hat?
- Replies: 30
- Views: 28237
- Fri May 31, 2019 1:07 pm
- Forum: HATs and other add-ons
- Topic: Anyone familiar with the Waveshare GSM/Bluetooth Hat?
- Replies: 30
- Views: 28237
Re: Anyone familiar with the Waveshare GSM/Bluetooth Hat?
I'm looking at these waveshare rpi hats. As a newbie, i'm wondering if they can be powered through the hat-connection, or if they generally require external power?