DHT22 testing
One of the many sensors I bought is the DHT22. This is a digital temperature and humidity sensor. It has 4 pins but only 3 are used. To get it to work you will need the DHT library, this library supports both the DHT11 and DHT22 sensors. I found this nice example sketch for the […]
Arduino IR remote control
I have been playing with the infrared remote control that you can get here . This little remote control comes with an IR receiver and resistors, so you have everything you need to use it. How to connect the IR receiver you can see here. The beauty of Arduino is that there are hundreds of […]