Hello everyone, I am trying to use the arduino module sim800l but when i try to send some at command, like a siple AT, I get in response '???' in loop and I do understand the cause of this. Another problem is the alimentation of this module that requires 2-3 A when it send messages, for now i would…

Comunication with module sim800l

andrealorenzetti123321 September 2, 2021, 8:19am 3

sorry i didnt see the button

Topic		Replies	Views
Can't interact with sim800l module Home Automation	22	35408	May 6, 2021
Modulo SIM800L no responde comandos AT Software	3	1858	May 7, 2021
SIM800 desesperado... Software	4	1929	May 7, 2021
Serial Problem with SIM800L Networking, Protocols, and Devices	6	3728	May 6, 2021
SIM800L module GSM not responding any answer on UART Programming	2	2090	May 6, 2021