Does a WROOM-02 come with factory firmware that makes that possible?
Espressif fan and developer of flame boss smoker controller
If you need a specific default program with a very large number of WROOM-02 module, I'm sure we can arrange for your requirements.
Usually, the fastest way of producing programmed modules is by programming the flash chip directly before it is put into the WROOM-02 PCB. OTA programming on fresh modules will not be convenient on the production line because once the module is produced, you will need UART interface to initiate and verify the firmware/hardware anyway. I'd recommend having a PCB edge connector for programming the boards after production. Fastest feasible way I guess?
BTW, FlameBoss is pretty cool!
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