The map2colour library is used to map a float value to a colour in the RGB spectrum. The float value can be the result of a calculation or read from a sensor, e.g. temperature, humidity, light, ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

Chris Wedel is a fan of all things tech and gadgets. Living in rural Kansas with his wife and two young boys makes finding ways to stay online tricky — not to mention making my homestead smarter.

Cache conscious hash map and hash set for strings based on the "Cache-conscious collision resolution in string hash tables." (Askitis Nikolas and Justin Zobel, 2005) paper. You can find some details ...