Search found 4 matches

by nesergen
Thu Oct 29, 2020 2:38 pm
Forum: Other Boards
Topic: stm32f411 and sim800L
Replies: 7
Views: 605

Re: stm32f411 and sim800L

I am trying to get a list of the operators of my location. But the received data is truncated. Please tell me why this is happening.

Code: Select all

b'AT+COPS=?\r\r\n+COPS: (1,"MOTIV","MOTIV","25020"),(1,"MTS","MTS","25'
by nesergen
Wed Oct 28, 2020 7:09 am
Forum: Other Boards
Topic: stm32f411 and sim800L
Replies: 7
Views: 605

Re: stm32f411 and sim800L

Choosing a different UART port solved the problem. I knew about the error in the diagram with the connection of pins, so I did it right right away. But I can't connect to the network, although there are many 2g networks in my area and the SIM card supports this mode. The module finds the networks, b...
by nesergen
Tue Oct 27, 2020 6:37 am
Forum: Other Boards
Topic: stm32f411 and sim800L
Replies: 7
Views: 605

Re: stm32f411 and sim800L

jimmo wrote:
Mon Oct 26, 2020 10:49 pm
Is it possible that you're using the same UART that's used for the MicroPython REPL to talk to the GSM module? So MicroPython is trying to "execute" the output from the module?
Hmmmmmm..... Maybe you right :idea: . I will try this. Thanks!
by nesergen
Mon Oct 26, 2020 9:37 pm
Forum: Other Boards
Topic: stm32f411 and sim800L
Replies: 7
Views: 605

stm32f411 and sim800L

I'm trying to connect the stm32f411 board and the SIM800L gsm module. I have been suffering for several days. Rummaged through a bunch of manuals. There is an assumption that the board is interacting with the module, but errors are constantly appearing. Now in more detail .... I connected the boards...