Replacing the NES Battery

Recently, I bought a new 72-pin connector for my NES. Thing works like new (as do the games after a good cleaning). One problem remained, however, and that was how to deal with a failed battery. The old cartridges used a CR2032 battery. Trouble is, Nintendo thought it was a …

My GM5x5x5

I have had the parts for quite some time, but recently finally got around to making a GM5x5x5 of my own. Surface mount soldering was interesting but not as hard as I thought. I did end up having to solder all 3 of my GM5 chips to my GM5x5x5 boards. …