HaroldHallikainen / DSP_TU_PCB

Printed circuit board for Teletype DSP Terminal Unit
0 stars 0 forks source link

Add PCB revision resistor #8

Open HaroldHallikainen opened 7 months ago

HaroldHallikainen commented 7 months ago

Change AN3 from IDLE to PCB version voltage (voltage divider). Make RE0 idle.

HaroldHallikainen commented 5 months ago

Made AN3 double as rev resistor and idlen. Read resistor on power up, then switch to idle indication.