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 ...
Well over 50% of Internet of Things (IoT) connectivity projects never get to production, often failing in the trial phase. There are numerous reasons for this, but fortunately, there are also proven ...