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+--- Thread: Sample code for SIM800L and schematics (/showthread.php?tid=2899)
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RE: Sample code for SIM800L and schematics - ktmustafa - 07-12-2024
(06-27-2023, 10:21 AM)ebelingtec Wrote: Hello Anthonio,
you cannot make it work by changing the pins ins "HardwareSerial.cpp" only. You need to get wires and physically reconnect (see picture):
In "HardwareSerial.cpp" : RX2 34 and TX2 13
I had to rewire the gsm module physically. In Header 5 (P4) I switched GSM_RX and GSM_TX
Hello ebelingtec
Could you please share a photo of the actual rewiring?