Motion Detection Module

Introduction (How it Works) PIR stands for Passive Infrared Sensor which is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. PIR detect emitted infrared energy – given off by humans and animals in the form of heat. When there is a sudden increase in infrared energy, an…
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Connect to Raspberry Pi using SSH

Introduction SSH, the Secure SHell, is a replacement for RSH. It provides a secure, encrypted connection, through which you can have normal, interactive logins to or from the remote machine. It also comes with SCP, a replacement for RCP. Required Software PuTTY (for windows only) Steps Required On your Raspberry Pi, open a terminal window.…
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Distance Detection Module

Introduction (How it Works) The ultrasonic sensor HC-SR04 is a quite popular and fairly cheap module for Raspberry Pi. It works by emitting ultrasound waves at 40,000 Hz which travels through the air and if there is an object or obstacle on its path it will bounce back to the module. Considering the travel time…
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