Hello.
I have t-sim-a7670e. ( https://www.lilygo.cc/products/t-sim-a7670e )
I found the source code for 7000g. (https://www.traccar.org/forums/topic/lilygor-ttgo-t-sim7000g-esp32-traccar-gps-tracker/)
But It does not work for a7670e.
I found that the tx and rx pins are reversed and changed the tx and rx in the source code.
A message is displayed on the serial monitor, but the error repeats.
+CPIN: READY
SMS DONE
+CGEV: NW REATTACH
+CGEV: EPS PDN ACT 1
*COPN:0,"KT"
*COPN:1,"KT"
PB DONE
*ATREADY: 1
*ISIMAID: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+CPIN: READY
SMS DONE
PB DONE
AT+SAPBR=3,1,"Contype","GPRS"
AT+SAPBR=3,1,"Contype","GPRS"
ERROR
AT+SAPBR=3,1,"APN","lte.ktfwing.com"
AT+SAPBR=3,1,"APN","lte.ktfwing.com"
ERROR
AT+CGDCONT=1,"IP","lte.ktfwing.com"
AT+CGDCONT=1,"IP","lte.ktfwing.com"
OK
AT+CGATT=1
AT+CGATT=1
OK
AT+CGACT=1,1
AT+CGACT=1,1
+CME ERROR: unknown error
I confirmed that LTE communication works normally by using the example code for 7670e. (https://github.com/Xinyuan-LilyGO/T-A7670X/tree/main/examples)
I don't know Arduino very well. Please tell me what to do.
Hello.
I have t-sim-a7670e. ( https://www.lilygo.cc/products/t-sim-a7670e )
I found the source code for 7000g. (https://www.traccar.org/forums/topic/lilygor-ttgo-t-sim7000g-esp32-traccar-gps-tracker/)
But It does not work for a7670e.
I found that the tx and rx pins are reversed and changed the tx and rx in the source code.
A message is displayed on the serial monitor, but the error repeats.
I confirmed that LTE communication works normally by using the example code for 7670e. (https://github.com/Xinyuan-LilyGO/T-A7670X/tree/main/examples)
I don't know Arduino very well. Please tell me what to do.