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Unable to detect SIM card while running on battery #121

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techiesms opened this issue Apr 30, 2023 · 4 comments
Open

Unable to detect SIM card while running on battery #121

techiesms opened this issue Apr 30, 2023 · 4 comments

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@techiesms
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I tried writing script that send SMS that contains GPS coordinates in it. The script works fine when I test with USB to TTL Programmer attached with the A9G Board. But when I remove that and try to power A9G board with battery or direct USB it doesn't work at all. It say's SIM not inserted

can anyone tell me the exact problem ?
@braenmachio
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Have you checked the power drawn while establishing a GSM connection?

@braenmachio
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braenmachio commented Jan 27, 2024 •
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RESOURCE 1
Ai-Thinker-Open/GPRS_C_SDK#421

@enekux
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enekux commented Mar 22, 2024

Hi, I am having the same problem as you @techiesms. Did you ever found a solution to this problem? Thanks and regards!

@enekux
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enekux commented May 24, 2024

Hi @techiesms did you ever find a solution to this? Thanks

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@enekux @techiesms @braenmachio