Reading from sensors is great but there are times when you need to interact with surrounding hardware. Window air conditioners, televisions, stereos and many other household electronics communicate with infra-red (IR). Adding an IR LED to your spark core will allow you to control these electronics remotely. For example, I’m currently using a temperature sensor […]
Spark Core with a Humidity / Temp Sensor (HTU21D)
Monitor the humidity and temperature of your home or apartment from anywhere. The Spark Core connects to your home WIFI and allows you to monitor or control devices remotely. In this post we’ll start with a basic sensor. The HTU21D sensor was the least expensive sensor I could find that monitored both humidity and temperature. […]