When you find something you love doing, you want to do it everywhere, all the time. Such is the case with [jefmer] and programming. The trouble is, there is not a single laptop or tablet out there that really deals well with direct sunlight. So, what’s a hacker to do during the day? Stay indoors and suffer?
The answer is a project like Pocket Pad. This purpose-built PDA uses a Nice! Nano and a pair of two very low-power ST7302-driven monochrome displays. They have no backlight, but they update much faster than e-paper displays. According to [jefmer], the brighter the ambient light, the more readable the displays become. What more could you want? (Besides a backlight?)
The miniature PocketType 40% is a little small for touch typing, but facilitates thumbs well. [jefmer] added those nice vinyl transfer legends and sealed them with clear nail polish.
All of the software including the keyboard scanner is written in Espruino, which is an implementation of JavaScript that targets embedded devices. Since it’s an interpreted language, [jefmer] can both write and execute programs directly on the Pocket Pad, using the bottom screen for the REPL. I’d sure like to have one of these in my pocket!
Continue reading “Keebin’ With Kristina: The One With The Pocket Cyberdeck”