Analog sensor input raspberry pi using a MCP3008: wiring/installing/basic program

So now that we bought the MCP3008 ADC lets get it up and running! Note: This is my first instructables submision so if something is wrong just tell me so and if you like my style leave a comment, also I'm from the Netherlands so my English might not be perfect. In this project we will be using a Fundruino moisture sensor, don't mind if you don't have the same sensor this process will work for any analog sen ...

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Using IR Remote with Raspberry Pi without LIRC

I wanted get an IR remote input to Raspberry Pi. I manged to get LIRC installed and tested. Everything was ok, except the very last step. When I wanted pass the IR remote Key value to Python program it doesn't pass it correctly. It passes null value for anykey. I couldn't figure out what is wrong. I gave up and then I try to write a python code to capture IR remote without using LIRC. After some reading abo ...

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Raspberry Pi Temperature Sensor

A few weeks ago, I purchased a Raspberry Pi. After reading Eben Upton’s Raspberry Pi User Guide, particularly the two chapters on which he focuses attention on the GPIO, I had an idea for my first project. The post covers the first iteration of a home temperature monitoring project I put together using a Raspberry Pi, a MCP9808, an old Mac Mini (early 2008), InfluxDB, Grafana, a bit of Python, and runit. Th ...

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Raspberry Pi GPIO with PIR motion sensor: Best tutorial

This tutorial, based on the latest Raspberry Pi B+/model 2, will show you to interface a PIR motion sensor with the Raspberry Pi. And also guides you to use the GPIO pins on it. The GPIO pins on the raspberry pi are critical when it comes to making a hardware project. May it be a robot, home automation system, etc. In all these cases you will have to use the GPIO (General Purpose Input/Output) pins of the r ...

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Analogue Sensors On The Raspberry Pi Using An MCP3008

inputs which means it is a bit of a pain to use many of the available sensors. I wanted to update my garage security system with the ability to use more sensors so I decided to investigate an easy and cheap way to do it. The MCP3008 was the answer. The MCP3008 is a 10bit 8-channel Analogue-to-digital converter (ADC). It is cheap, easy to connect and doesn’t require any additional components. It uses the SPI ...

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Air Pollution Detector

This device is intended to provide the user with a cost-efficient means of determining air quality. Our sensor focuses on the five components of the Environmental Protection Agency's Air Quality Index: ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrous oxide. This device detects all of these pollutants except sulfur dioxide. The device also includes a town gas sensor to alert the user t ...

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Connect a sensor to your Raspberry Pi to warn you when there are noxious gases about!

o detect a fart with the Raspberry Pi, we need to use a sensor that is responsive to one or more of the volatile sulphuric compounds which make up 1% of flatulence (i.e. the compounds which make farts smell). Essentially, we need to give the Raspberry Pi a nose. The sensor recommended for this project is the Figaro TGS2600. When air enters the sensor, it is energised by a small heater which allows its elect ...

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Hacking the Lego EV3: Build Your Own Object Sensor “Eyes”

Although the Lego Mindstorms EV3 kit comes with a variety of cool sensors, wouldn’t it be awesome to build your own custom sensing device? This project will show you how to create your own unique object sensors for your Lego EV3 controller using basic electronic components found in your junk box or purchased from  distributors like RadioShack, Adafruit, Jameco, or SparkFun Electronics. Think of this DIY obj ...

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Raspberry Pi Sensors

In this article, by Rushi Gajjar, author of the book Raspberry Pi Sensors, you will see the basic requirements needed for building the RasPi projects. You can't spend even a day without electronics, can you? Electronics is everywhere, from your toothbrush to cars and in aircrafts and spaceships too. This article will help you understand the concepts of electronics that can be very useful while working with ...

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Voice– and SMS–Enabled Light Sensor Using Raspberry Pi and Twilio

Overview The Hacker School space for our batch had two restrooms: one attached to the main work area, and one downstairs. We thought it would nice to know if the bathroom is occupied before taking the time to walk down. Our project makes it possible to check the bathroom status by phone or text message. Bathroom occupancy status is determined using a light sensor attached to a Raspberry Pi. If the lights ar ...

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