pyboard UART -> GSM SIM800l module. Command responses aren't consistent

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dhylands
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Re: pyboard UART -> GSM SIM800l module. Command responses aren't consistent

Post by dhylands » Sat Jul 01, 2017 7:57 pm

Nope. It's one of those things that you need to check for consistency over your whole system.

Make sure everything is using a shared ground.

In the end, the solution is typically obvious when you find the solution, but totally baffling until you get there.

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