How to update firmware on jtronic tinyg board not having a reset button

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  • August 11, 2024 at 7:55 am #12190
    jrg1968
    Participant

    Hi all,

    I have an aged jtronics tiny-g board and wanted to update the firmware from v380 to v440.

    ARVDUDE is in place and all other things BUT
    I cannot put the board in boot loader mode. I don’t have an HW reset button
    nor is 0x18 working or $boot=1.

    A pic of my board: https://1drv.ms/i/s!AlgTXPgeJnsRmK1ROb1sYXBNHuTSfA?e=xK68h7

    August 11, 2024 at 8:59 am #12191
    Zootalaws
    Member

    Short pin pair P25, next to BOOT on the board

    August 12, 2024 at 3:13 am #12192
    jrg1968
    Participant

    I tried to Short pin pair P25, next to BOOT on the board.

    unfortunately without success.

    I tried:

    * to wire them together
    * to connect each of them to gnd
    * I waited at least 5 seconds

    nothing worked

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