Sensor – Transducer – Detector Projects

Raspberry Pi Thief Detector

Raspberry Pi Thief Detector

What is a Raspberry Pi ? The Raspberry Pi is a low cost, credit-card sized computer that plugs into a computer monitor or TV, and uses a standard keyboard and mouse. It is a capable little device that enables people of all ages to explore computing, and to learn how to program in languages like […]

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Test DS18B20 sensor

Test DS18B20 sensor

sudo modprobe w1-gpio sudo modprobe w1-therm cd /sys/bus/w1/devices ls cd 28-xxxx (change this to match what serial number pops up) cat w1_slave The interface is a little unreliable, but fortunately it tells us if there is a valid temperature to read. It’s like a file, so all we have to do is read The response

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Raspberry Pi Garage Door Opener with streaming video of door status

Raspberry Pi Garage Door Opener with streaming video of door status.

This Instructable modifies two other guides. Just got a Magnetic Sensor hooked up with door status on page. Step 1: Do these Instructables First You need do this Instructable @http://www.instructables.com/id/Raspberry-Pi-Garage-Door-Opener Then do this one @ http://pimylifeup.com/raspberry-pi-webcam-server/ Next I will show what I changed to make the Video on the same screen as the button. Step

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A simple analog proximity sensor with digital interface for Raspberry Pi last update Feb 7 2014

A simple analog proximity sensor with digital interface (for Raspberry Pi) [last update: Feb 7, 2014]

Raspberry Pi has a Broadcom BCM2835 chip, which controls 26 GPIO (general purpose input/output) pins. There are C library or RPi.GPIO python package available online that can be used to control the pins. The RPi.GPIO package is by default included in most Raspberry Pi system, such as Raspbian, a RPi version of Debian linux system. One

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Geiger Counter Radiation Sensor Board for Raspberry Pi tutorial

Geiger Counter – Radiation Sensor Board for Raspberry Pi tutorial

Contents Manifesto The Board The Geiger Tube Types of radiation Supported Geiger Tubes Testing Sources Actuators From CPM to Sieverts Source Code Schematic Participate Buy Links and Documentation  NOTE: All the code examples in this tutorial use the arduPi library. You can see the documentation and download the library here. Manifesto The main finality of

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Motion Detection Alarm System

Motion Detection Alarm System

A basic USB camera can be used to detect motion in a room. In the following steps we will show you how you can use Reactive Blocks to program a ready to run Java application that sends SMS when motion is detected. With Reative Blocks you make Java SE applications so the alarm application can

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Raspberry Pi Soil Moisture Sensor

Raspberry Pi Soil Moisture Sensor

Agriculture consumes between 80 – 90% of all freshwater in the United States. An easy way to conserve water in the agricultural sector is to install a soil moisture sensor. Soil moisture sensors measure the amount of water in the soil to maintain consistent and ideal soil conditions for plants. In some cases, installing a

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