Correction:
It is R2 on the Raduino-TFT schematic (new for the v6 uBitx) that is the pullup to 5v for KEYER.
R2 and R3 on the main uBitx board are used to pull down that KEYER signal to initiate a dit or dah CW transmission.
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On Thu, Jan 9, 2020 at 08:39 AM, Jerry Gaffke wrote:
On the V6, these pullups are included on the main board, labeled R2 and R3 in the lower left of the schematic drawing.
