Using a PIC16F877A microcontroller and some high current electronics a grid of windows was turned into a huge LED display. Seems like students at MIT have lots of tech fun! “The Simmons LED Display is a home-made two-story high 6×6 array of windows outfitted with ultra-cool Luxeon LXHL-LR3C Royal Blue LEDs. It is located in the exercise room of the architecturally infamous Simmons Hall, a residence hall designed by
Looks like the average joe can now read about Coke machine programing. Seems that the service manual is now readily available. When are companies going to learn to guard this material better? Go here to see a video of someone getting into the machine menu. “COIN PAYOUT ROUTINE This function allows you to dump coins from the coin mechanism. Press select button 4 to enter mode and the lowest coin
When the manuals are provided online and the default passwords are not changed on most system when installed you are just asking for problems. I think the main problem with this system is that you can enter programming mode straight from the keypad, this is convenient however it would be much more secure if the operator was required to unlock the front of the machine and flip a service
