1.1 --- a/README.txt Tue Feb 22 15:37:55 2022 +0100
1.2 +++ b/README.txt Tue Feb 22 22:15:37 2022 +0100
1.3 @@ -34,6 +34,21 @@
1.4 footprint being provided by generic KiCad
1.5 footprint libraries)
1.6
1.7 +Board Outline
1.8 +=============
1.9 +
1.10 +The board has the same outline and mounting holes as the Arduino Duemilanove,
1.11 +although it does not provide shield compatibility, physically or electrically:
1.12 +
1.13 +https://docs.arduino.cc/retired/boards/arduino-duemilanove
1.14 +
1.15 +Unfortunately, the physical characteristics of the Duemilanove are not
1.16 +adequately documented by the Arduino initiative. Consequently, others have
1.17 +been obliged to do this work, and the following resource was used to define
1.18 +the board outline used in this project:
1.19 +
1.20 +http://www.robgray.com/temp/Arduino-PCB-dimensions.pdf
1.21 +
1.22 Board Version Notes
1.23 ===================
1.24