That series 1k would also avoid blowing the IO cell if the wire brushed by 12v.
Something to consider for those laying out alternate Raduino boards.
toggle quoted message
Show quoted text
On Sun, May 20, 2018 at 10:08 am, Jerry Gaffke wrote:
But, perhaps a good time to mention that a 1k series resistor on any lines to the the front panel
(such as PTT, key, encoder) would drastically reduce the chance of static blowing an IO cell.