**Port breakout board for the generic STM32 'Blue Pill' development boards**
*May also support Red/Black Pill boards where pinout/size is compatible with the Blue Pill board.*
Version 1.2 is created to fix DE-9 pin 2 adn pin 3 reversal - not standard and requires null modem equivalant cabling when it shouldn't to most attached devices. Now straight through cable will work when attached to printer, etc.
Version 1.1 is created after prototype testing. Added CTC for broad range baud rate control.
Create a stackable daughterboard for SC126 - intent, change packaging of th...