With the LEGO build out of the way, now was a good time to check for the prerequisites for the Gigatron build. Somewhere in garage I found a crate with the multimeter and the soldering iron. The multimeter ran out of battery, that was easily fixed with a new 9V battery that I had laying around. The soldering iron turned out to be a 30 watt one, whilst the recommendation for the build is a 40-60 watt one. So I ordered a new one and should be good to go next weekend.