a program for the arduino inside Omni Vending Machine #1 (that's the black one, not the brown one)
https://sudoroom.org/wiki/Hack-o-mat
comes with an uploader script make.sh from substack's excellent non-GUI arduino uploader:
https://github.com/substack/arduino-starter
First install the arduino and avr toolchains:
sudo apt-get install arduino python-pip gcc-avr avr-libc binutils-avr avrdude
To flash the connected arduino with the program in vending1.ino
, do:
$ ./make.sh