Tired of condensation wrecking your shed tools or greenhouse gear? I built a no-frills ESP32 + DHT22 node that wakes every 15 minutes, grabs temp/humidity data, beams it over Wi-Fi, and sleeps—running ...
Northwestern University’s Embedded Electronics Class delivered a bumper crop of ESP-32 projects this year. The student teams recorded their progress on hackaday.io with project descriptions, logs, ...