Copy Firmware from One M5 to Another
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I loaded some custom ESP Home firmware onto an M5 Atom Echo. It works fine but the speaker makes chirping noises. I would like to transfer the firmware to an M5 AtomS3 Lite. What is the preferred and easiest way to do that? I am a novice with this tech so I thought I would ask the experts. The reason that I am asking is I like to have backup hardware in case one fails that I can plug in without having to do any software loading and configuration for some critical IOT devices.
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@chpaaa1 You will need to rebuild the firmware from scratch as the ESP32's in the Echo and S3 are not the same.
There are enough hardware differences that make them incompatible.
