Following up on my testing of the LattePanda Mu and IOTA, this time I’m looking at the Sigma, which (as is becoming the norm with my recent pieces) I actually got before summer break. I wanted to have a look at it because it is something else again in the LattePanda universe: consider a laptop-class Intel motherboard with the case, keyboard, and display removed, but with more accessible I/O than most mini-PCs, and you’re close enough: LattePanda Sigma retail box. And it doesn’t stop at I/O: the Sigma I’ve been testing has a Core i5-1340P and 32 GB of soldered...