Arduino: Difference between revisions
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The [https://github.com/Optiboot/optiboot 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 [https://rheingoldheavy.com/arduino-from-scratch-part-11-atmega328p-dtr-and-reset/ here] for description of the use of DTR. | The [https://github.com/Optiboot/optiboot 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 [https://rheingoldheavy.com/arduino-from-scratch-part-11-atmega328p-dtr-and-reset/ here] for description of the use of DTR. | ||
== Documentation == | |||
* [https://docs.arduino.cc/language-reference/ Arduino Language Reference] | |||
== Libraries == | == Libraries == | ||
Revision as of 19:19, 4 August 2025
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.
Documentation
Libraries
- Standard Libraries
- LiquidCrystal_PCF8574 derived from Liquid Crystal
Other
Development Environment
- Visual Studio Code, install Platform.io IDE extension
- Extension icon -> New Project
- include - header files
- lib - libraries
- src - C++ source files
- platformio.ini
- See small icons at bottom for Home, Build, Upload, Serial Monitor
- SHIFT-ALT-F to format document
Platformio.ini
- monitor_speed = 115200