Anyone working on using an ESP8266 or ESP32 to monitor Raspberry Pi boot sequence? It would seem that this should be possible, using the TX RX on the ESP module cross linked to the TX RX UART on the Raspberry Pi? Anyone interesting on working on this idea with me if no one has done it yet?
I have a couple of Raspberry Pi devices that are headless, remote and difficult to access, and once in a while it is necessary to connect the serial interface of the Pi devices to figure out why boot up fails. connected a monitor to the Pi devices is a real hassle just to capture the boot sequence, and using a ESP module would make it much easier to remote watch the boot sequence when needed.