Discrete transistor computer dev log Right at the end of finishing all the gates for a D flip flop, I made an error, and in an attempt to fix it, I ended up lifting a track off the veroboard and ended up ruining the whole thing :( Having a think about what to do now. Perhaps making these little flip flop boards is going to be similar to real semiconductor fabbing -- I should expect some level of failure, and have 'inactive cores' on every board.