Good morning to everyone,
I'm trying to connect to AWS via AT commands.
The sequence is :
AT+MQTTUSERCFG -> Ok
AT+MQTTSNI > OK
AT+MQTTCONN=0 -> ok
AT+MQTTSUB=0 -> Ok
but after the "OK" i received immediately +MQTTDISCONNECT.
Any suggestions?
Thank you!
BR,
Lucio.
Search found 4 matches
- Fri Nov 28, 2025 10:22 am
- Forum: ESP-AT
- Topic: ESP32c3 mini - URC messages
- Replies: 1
- Views: 5638
ESP32c3 mini - URC messages
Good morning,
i have a question about the urc messages scenarios :
I send a AT command :
1 - the URC can be received before the answer ?
2 - the URC can be received in the middle of the answer?
3 - the receiving is random?
I'm receving datas (for examples from a server):
+IPD:xxxxxxxx
A urc can ...
i have a question about the urc messages scenarios :
I send a AT command :
1 - the URC can be received before the answer ?
2 - the URC can be received in the middle of the answer?
3 - the receiving is random?
I'm receving datas (for examples from a server):
+IPD:xxxxxxxx
A urc can ...
- Thu Sep 11, 2025 8:33 am
- Forum: ESP-AT
- Topic: ESP32c3 MQTT certificate issue
- Replies: 3
- Views: 8346
Re: ESP32c3 MQTT certificate issue
Thank you!
Now I'm able to connect to AWS.
BR,
Lucio.
Now I'm able to connect to AWS.
BR,
Lucio.
- Wed Sep 10, 2025 2:43 pm
- Forum: ESP-AT
- Topic: ESP32c3 MQTT certificate issue
- Replies: 3
- Views: 8346
ESP32c3 MQTT certificate issue
Hello to everyone, I'm really in trouble trying to connect to AWS.
with the command AT+SYSMFG formatted as follows, I donwloaded the certificates :
snprintf(cmd, sizeof(cmd), "AT+SYSMFG=%u,\"mqtt_ca\",\"mqtt_ca.0\",%lu,%lu\r\n", 2, 8,len);
snprintf(cmd, sizeof(cmd), "AT+SYSMFG=%u,\"mqtt_cert ...
with the command AT+SYSMFG formatted as follows, I donwloaded the certificates :
snprintf(cmd, sizeof(cmd), "AT+SYSMFG=%u,\"mqtt_ca\",\"mqtt_ca.0\",%lu,%lu\r\n", 2, 8,len);
snprintf(cmd, sizeof(cmd), "AT+SYSMFG=%u,\"mqtt_cert ...