Learn how to build a WiFi-enabled Arduino Weather Monitoring System that reads temperature, humidity, pressure, air quality, and more using sensors like DHT11, BMP180, and MQ135. This hands-on project ...

The Aqara W100 Climate Sensor offers precise temp and humidity monitoring, smart button control, and HomeKit support with Zigbee and Thread compatibility.

If you're looking to add wireless communication to your project, the Arduino nRF24L01 module combo is one of the most reliable and cost-effective solutions available. Whether you're building a DIY spy ...

This is an example of a Sonoff TH10 unit with a temperature & humidity sensor connected to GPIO 14 and an LED connected to GPIO 13 ("l": 13). ... DHT11 Temperature and humidity sensor: 2: 22, 23 & 24: ...

Who hasn’t thought about turning a 1950s slide projector into a digital projector? [Matt] did, but unlike most of us, he actually did it. [Matt]’s friend [Angus] found an old, single-slide ...

Why we like the Abode Iota . The Abode Iota takes the original Abode home security system we reviewed in 2018 and incorporates a 1080p security camera and motion sensor into a smal enclosure. Like ...

SONOFF SNZB-02WD mounting options: sticky tape or lanyard. The SNZB-02WD is an updated version of the SNZB-02D, or other indoor Zigbee LCD temperature and humidity sensors, which adds IP65 ...

Bits: 39 – 32 Humidity integer part e.g., 00110111 → 55% RH 31 – 24 Humidity decimal part Always 0 for DHT11 23 – 16 Temperature integer part e.g., 00011000 → 24°C 15 – 8 Temperature decimal part ...

Bright idea: Wolfgang Ketterle (in his M.I.T lab) hopes to discover new forms of matter by studying ultracold atoms. Richard Howard Where's the coldest spot in the universe? Not on the moon, where ...

APC issue 542 (February) is now available, ensuring you never miss another software update.