[NCLUG] Tuesday February 11th, 2020 NCLUG Meeting

Brian Sturgill bsturgill at ataman.com
Wed Feb 12 18:17:20 MST 2020

Some followup.

I can confirm that Stephen was right about the ATmega2560 chip in the
Arduino Mega not being open source.
>From the board level on up, many 3D printers are fully open source.

Some quick comparisons:
Arduino Mega, Program size: 256K, CPU speed: ~ 16 MIPS
PDP 11/40, Program size: 128K (separate I and D, 64K each), CPU speed: ~
0.4 MIPS.

Some links from my slides:
https://github.com/dspinellis/unix-history-repo.git (Archive of Historical
Unix Versions)
https://www.openhub.net/ (Place to find the line count of most opensource
projects.) [Also see ohcount in you favorite distro.]


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