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- Thu Oct 08, 2020 5:13 pm
- Forum: General Discussion
- Topic: [ESP32 DevKit C v4] [AT command] [MQTT] [Thingsboard] - Disconnected/Error at command AT+MQTTSUB
- Replies: 1
- Views: 3388
[ESP32 DevKit C v4] [AT command] [MQTT] [Thingsboard] - Disconnected/Error at command AT+MQTTSUB
I use the board ' ESP32 NodeMCU DevKit C v4 ' and I flashed it using the following firmware ' ESP32-WROOM-32_AT_Bin_V2.1.0.0 ' ( http://download.espressif.com/esp_at/firmware/ESP32/ESP32_WROOM/ESP32-WROOM-32_AT_Bin_V2.1.0.0.zip ). I use a Beaglebone Enhanced to run AT commands throught serial port U...