The device also keeps track of temperature and humidity. The entire system can be controlled via a web interface. The Arduino serves a web page that allows the user full control over the alarm.

The datasheet says the AHT10 is a digital temperature and humidity sensor embedded for reflow soldering. The dual-row flat leadless SMD package has a 4x5mm bottom and a height of 1.6mm. The AHT10 ...

The system put together by [Andy] from Workshopshed ... he had to add on an ESP-01 for communications as well as the DTH11 temperature and humidity sensor. For power each sensor includes a 1200 ...

The Aqara Temperature and Humidity Sensor is a low-cost, simple, yet useful device that can enhance your HomeKit setup significantly. Here’s why you might want to install one in every room.