Excellent Post - Now if someone could post exact instructions to download the binary to the STM32 (Blue Pill) without having to jump through hoops and just using the Arduino IDE - I would be forever grateful!
73 - John - N6API
Sent from my iPhone 6!
John J. Bahun
Senior Software / Hardware Engineer - Retired (Apple DTS)
Amateur Radio Operator - N6API Extra Class as of 03/05/2019!
CFO Member #046
John Bahun