martinayotte wrote:With an STM32F103, we would get 3x USART as well as 2x I2C along with 2x SPI ...
Yes when I move onto V2 after V1 is a hit

Agreed, we will chat more about this with you soon!
Richard.
https://epartsconnect.com
Live realtime stock market prediction website. https://www.stocksignalslive.com my latest creation. Uses AI and machine learning.
New site featuring ESP8266 and ESP32 projects. tutorials, and news.
http://EverythingESP.com
ESP8266.com Founder and Administrator
The Mind Factory (get more from your 3D printer)
Home of the ESP8266, ESP8285, and ESP32 microcontrollers....