[digitaltrails] wanted the data on a few old IBM 80-column punch cards he had lying around, but didn’t have decades old computer hardware in his garage. He decided to build his own out of LEG… ...

Arduino Nano. DHT22 and BMP280 sensors. Raspberry Pi Zero W. Steps: Arduino collects sensor data and sends it via serial to the Pi. Pi parses and stores data using Python + SQLite. Optional: Build a ...