Raspberry Pi Motion Sensor

Motion detection can be done quite easily by using the GPIO ports of the Raspberry Pi and a motion sensor. In this article I will show you how to connect a PIR (Passive Infra-Red) sensor to the Pi and we will also use one of the GPIO’s as an output to connect up a simple LED so that you can check to see that the whole setup is working.

Connect a Camera to the Raspberry Pi

The Pi Camera from the Raspberry Pi Foundation is a great little unit that connects directly to your Raspberry Pi via a ribbon cable to the dedicated CSI (Camera Serial Interface) located just behind the Ethernet port. The Raspberry Pi Camera Board v2 is a high quality 8 megapixel

Connecting a pH Sensor to a Raspberry Pi

Whether you want to monitor a pool, aquarium or some other body of water, connecting a pH sensor to a Raspberry Pi can be achieved relatively easily. In this tutorial i’ll be using the Atlas Scientific pH sensor, it’s an industrial grade sensor thats fully submersible up to the BNC connector in both fresh and saltwater. The sensor works using either serial communication or via the I2C protocol.



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