When the Arduino burst onto the do-it-yourself (“DIY” to devotees) scene in 2005, all manner of tinkerers seized on it as a device that could easily and cheaply run interactive projects.

2. DIY Weather Station. Goal: Monitor temperature, humidity, and pressure with cloud-based logs. Components: Arduino Nano. DHT22 and BMP280 sensors. Raspberry Pi Zero W. Steps: Arduino collects sensor ...