Why buy an expensive coffee machine when you can upgrade a much cheaper one into a championship beast? That’s what we did in our coffee-fuelled (and dependant) household. After watching a video of James Hoffmann, an ex-barista champion turned social media exponent, on the most modified coffee maker craze in the world ever, we had to try it. Getting started Essentially, you take a Gaggia Classic machine, strip it apart, and then replace some of the components with other components to digitise the analog. You add a Gaggiuino controller board and a few other parts like a touchscreen display, a…