12-05-2019, 11:59 AM
(12-05-2019, 08:35 AM)neilman Wrote: I have the original serial console cable for the Pinebook (1080p) and, in response to an earlier query about serial interface, I measured my own quiescent voltages on the 3.5mm 4-pole jack it was terminated in ... and yes it was 5v.
Not sure if there was any internal impedance that might reduce the final voltage to the Pinebook when "under load"
If the input impedance was that low, it would not work.
Do any of the Pine computers use 5V for UART serial console?