Search found 4 matches

by LucioS
Thu Feb 05, 2026 9:20 am
Forum: ESP-AT
Topic: AWS + AT
Replies: 1
Views: 566

AWS + AT

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.
by LucioS
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 ...
by LucioS
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.
by LucioS
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 ...

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