Boost circuits are an awesome way to power microcontrollers. Instead of 4AA batteries or a 9V (usually regulated down to 5V or 3.3V), you just boost one or two AA’s up to your desired voltage.  The only problems are that boost ICs (like these two) are a little expensive once you decide to [...]

I’ve gotten to know the insides of the Xbox 360 Guitar Hero controller quite well, and I’ve decided to share what I know.  Modding these controllers to play songs automatically or do other interesting things seems to be a popular electronics project, and the information below should be helpful for anyone embarking on such an [...]