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 ...
Research on the Design and Dissemination of a Digital Twin—Based English Virtual Exhibition Hall for the Longshan Cultural City Wall Ruins in Jinan ...
Bluetooth Classic tutorial: https://www.youtube.com/watch?v=TtpLcsQ4nMw Works with HC-06 or HC-05 modules. Other Bluetooth classic modules should work too. Bluetooth ...