Arduino

General

The Optiboot or other bootloader runs after a reset and looks for a new program to download via RS232. If none is present, the existing one is run. See here for description of the use of DTR.

Libraries

• Standard Libraries
• LiquidCrystal_PCF8574 derived from Liquid Crystal

Development Environment

• Visual Studio, install Platform.io extension
• SHIFT-ALT-F to format document
• platformio.ini
  • monitor_speed = 115200