This one cost me about 3 hours today: In the README.md file for the SPI slave examples, as well as in the example code, there is: Please run wires between the following GPIOs between the slave and master to make the example function: Signal Slave Master Handshake GPIO2 GPIO2 MOSI GPIO12 GPIO12 MISO ...

Slightly after I posted this query, I figured out that the module cannot communicate on 5GHz. Since the query was in moderation for a while, I could not answer my own question. So, yes, you're almost right. The issue wasn't the " 5GHz", which is a text string, the problem was an incompatibility with...

I can get a solid connection to an AP and send packets to a TCP server, but only if the SSID has no space characters in it.

So if the target SSID is "test", my code works wonderfully, but "test 5GHz" will fail.

Any ideas?

Thanks,
Andrei

I'm just getting started with the ESP32 and I have a question: Is it possible to have both the WiFi and BLE stacks available to the PRO_CPU, so that one could start the system with BLE active and if no connection is established in a few minutes, the stack is torn down and WiFi is brought up instead?...