Beginner tip: Find a toehold. Almost all Easy (and some Medium) puzzles will have an obvious starting point, where only one domino makes logical sense. These “toeholds” will help you finish the rest ...

The DSpi is a handheld with a clamshell design, two small screens, and an open source design – you can’t actually buy one, but you can find design files, software, and a parts list in the developer’s ...