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 ...
In this video, I'm making a carbon monoxide monitor for my home using an MQ7 carbon monoxide sensor, a DHT11 temperature and humidity sensor, and a NodeMCU microcontroller board. This sensor is ...
This humidity sensor consists of 2 copper conductors that are located at small distance from each other. The relay switches as soon as the moisture makes a connection that is more or less electrically ...
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 ...
TSL235R is an eternal light-to-frequency converter, and its sensors are widely used as light sensor heads in today’s advanced microcontroller projects. The TSL235R converter combines a silicon ...