A Kindle and a Raspberry Pi make for a impressive display of maps and distance

By David Schneider

Last month, Paul Wallich brought you a bicycle-mounted lidar for detecting cars approaching from behind. I’m continuing the cycling theme this (Northern Hemisphere) summer with a bike computer designed for middle-aged eyes.

Like many people my age, I struggle to see the tiny display of a typical bike computer: I can’t very well put on my reading glasses while I’m pedaling. Also, I enjoy exploring unfamiliar roads, which makes navigation a challenge because I don’t carry a smartphone. My old CatEye cycling computer, which just reports how fast I’m going and how far I’ve gone, is no use at all in that regard.  …[Read more]