Using the ESP-AT firmware is there a way to configure it to start some sort of wireless serial connection at power on so that AT commands can be sent over this wireless connection?
The requirement I have is that the ESP32 device is not electrically connected to the controlling device, so any available method would be acceptable.
I assume that once a Bluetooth or BLE SPP connection is established then AT commands can be sent over this link, for example to read data from the ADC. However it seems that a physical UART or USB connection is required to send the commands to initially configure such a link.
Is this possible and are there other options?
Automatically start wireless serial connection?
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