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 ...

The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

ESP, easy as ABC.

NAGOYA -- A Japanese ceramics company will introduce a tag-like electronic sensor that can be attached to bottles of fine European wines to monitor humidity and temperature during shipping.

HomeKit has changed how I interact with many of the rooms in my house. While lighting and cameras tend to have the spotlight for most people as they can easily see the impact, environment monitoring ...

Have the new HomePod 2 or HomePod mini smart speakers? If so, you’ve got access to built-in temp and humidity sensors with software 16.3 which can be useful in a variety of ways. Here’s how to set up ...

(Nanowerk Spotlight) Each exhaled breath carries distinct signatures of human activity - quick and shallow during exercise, deep and regular in sleep, irregular while speaking. These breathing ...