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embeddedesp32

how to program esp32 after assembly on a PCB

advice please for a starter. if I ordered the assembly service for a PCB with an esp32 board. how can program it afterwards if its already soldered?

cheers

Solution

  • Jumper the device to start into the serial bootloader, connect the UART to an off-board USB-UART adapter, and run the well known python tool for downloading just as you would with the dev board.

    Or get the chip to tristate the flash pins, contact them with something else and directly write the flash.

    Or program the flash chip before soldering it in place.

    Next time around have connector, edge fingers, or pads for a pogo-pin spring contact jig.