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This was something that I started for my son. He is now into bikes and skating so I suggested getting him an old helmet to prevent him messing up his ...
For this little adventure you will need MAX7219 chip ( I got mine from eBay) 01. uF capacitor ATMega328 (or an UNO) 8x8 LED matrix (again, eBay) a li...
The matrix confused me to start with but it is quite simple once you get your head around it. Once you realize that the pins don't simply go from 1 to...
The code is taken from the MAX7219 demo code from Arduino.cc then simply added a couple of random states for the action and the delay duration. I hav...
This looks a lot harder than it actually is as there are so many wires involved. I have done a schematic that shows it wire for wire, as mentioned bef...
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