The ESP8266 microcontroller is a favorite among makers for creating affordable, Wi-Fi-enabled sensor projects. Pairing it with a DHT22 temperature and humidity sensor is one of the easiest ways to get ...
In Thailand, smoke pollution caused by slash-and-burn agriculture has become a serious social problem, but many people cannot afford to purchase an air quality sensor that costs more than tens of ...
Temperature and humidity measurements are a nice addition to many hobby projects. But [Rajendra Bhatt] makes the point that many of these sensors have a price tag that is well above what most ...