8×8 Matrix

ESP8266: Flight-O-Matic

Preview for my augmented reality project: A RaspberryPi with SDR-RTL dongle picks up signals from airplanes in my relative neighbourhood. When an airplane [...]

ESP8266/Arduino: MAX7219 8×8 Led Matrix Library

Twice a year the company I work for (Netcetera) organizes a retreat for programmers, usually in the mountains. In the Spring issue this year we went to a [...]