Raspberry Pi
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Raspberry Pi
A complete ARM GNU/Linux computer for $25.
(also covering Arduino and BeagleBone)
Curated by F. Thunus
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BBC turns micro:bit computers into IoT devices

BBC turns micro:bit computers into IoT devices | Raspberry Pi | Scoop.it
The BBC and Nominet have demonstrated a new use case for the micro:bit computer and hope to turn Britain’s schoolchildren into internet of things (IoT) pioneers
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myFocuserPro2 Wifi ESP8266 Arduino

A Wifi controller for Telescope Focusing using the myFocuserPro2, an Arduino based focusing solution with Windows and ASCOM support.
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Raspberry Pi Wall Mounted Google Calendar

Raspberry Pi Wall Mounted Google Calendar | Raspberry Pi | Scoop.it
Recently I purchased my first home. In the kitchen there was a small TV wall mounted however the TV itself was faulty so I was wondering, what should I do with this wall bracket since I didn’t really want a TV in the kitchen area. Then it dawned on me, instead of using a paper calendar with tiny little boxes to write things in I want my Google calendar on the wall. To tackle this instructable you should have a general understanding of home networking and computing, some linux experience wouldn’t go astray but is not really necessary. If you run into something you don't understand just remember google search is your friend. Equipment you will need Home network (wireless if you can't run a cable to the Pi) Raspberry Pi (I've used the model B) SD card 2GB or larger AC Adaptor (I used a USB wall charger fo
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BRUH Home Automation Demo 2016 | Raspberry Pi

BRUH Home Automation Demo 2016 | Raspberry Pi | Raspberry Pi | Scoop.it
This is a demo video of my home automation system that utilizes Home Assistant running on a Raspberry Pi. Connected devices include LIFX bulbs, WIF | Raspberry Pi
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IoT HAT for Raspberry Pi: A must-have for Pi Zero

IoT HAT for Raspberry Pi: A must-have for Pi Zero | Raspberry Pi | Scoop.it
A Wi-Fi 802.11n + Bluetooth 4.1 (Dual Mode) add-on board for any Pi model with the 40 pins GPIO connector including Pi 2, A+ and B+ It is an add-on board that provides Wi-Fi and Bluetooth connectivity for the Raspberry Pi. You can use Wi-Fi and Bluetooth USB dongles, however ……. IoT HAT is moreRead MoreThe post IoT HAT for Raspberry Pi: A must-have for Pi Zero appeared first on Electronics-Lab.
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Hackaday | Fresh hacks every day

Hackaday | Fresh hacks every day | Raspberry Pi | Scoop.it
#Arduino Minions Turn Your Keyboard into a Bluetooth Keyboard > https://t.co/53ZXFwIeAP https://t.co/QBXWnTZgwE
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Raspberry Pi 3 has a 64-bit processor and built-in WiFi

Raspberry Pi 3 has a 64-bit processor and built-in WiFi | Raspberry Pi | Scoop.it
It's hard to believe, but it's been four years since the Raspberry Pi Foundation gave the DIY computing scene a huge kick in the right direction with th
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Library for Bluetooth and Android

I post a link to an helper class we developed within a free and open project, code is free and usable. You can connect your Arduino to Android cell phones.[img width=500 height=322]http://www.basicairdata.eu/wp-content/uploads/2016/03/Figure_...
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Intel Launches $15 Quark D2000 Arduino Compatible Board

Intel Launches $15 Quark D2000 Arduino Compatible Board https://t.co/zgJrRVFceuSee it on Scoop.it, via Embedded Systems News
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Tiny Microwave Radar Module Detects Movements Up to 9 Meters Away for $2

Tiny Microwave Radar Module Detects Movements Up to 9 Meters Away for $2 | Raspberry Pi | Scoop.it
Tiny Microwave Radar Module Detects Movements Up to 9 Meters Away for $2 - https://t.co/cMYGjnnfOt
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Announcing LTTP3, our first Linux-based TPS offering

Announcing LTTP3, our first Linux-based TPS offering | Raspberry Pi | Scoop.it
Pinguinistas of the world, rejoice. Our Tibbo Project System family now includes a Linux-based Tibbo Project PCB (LTPP). Based on the powerful 1GHz Cortex-A8 Sitara CPU from Texas Instruments and carrying 512GB of RAM and 512GB of flash memory, the...
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Smart Home automation - Kasserine - MDev Tunisia

"Arduino Smart Home Automation control your devices or home electric appliance with wifi Network or Internet Network. -- par Rebhi Hatem"
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Sniffing for WiFi SSIDs with the Raspberry Pi 3 @Raspberry_Pi #piday #raspberrypi

Sniffing for WiFi SSIDs with the Raspberry Pi 3 @Raspberry_Pi #piday #raspberrypi | Raspberry Pi | Scoop.it
Check out this great post from Faraday’s Club. I decided I would try to play with one of the new features and make a simple WiFi detector. I am a big fan of the Best American Non-Required Reading series, which used to have a front section that included some of the most creative WiFi names […]
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Comment on Raspberry Pi Zero gains a mysterious new feature, and improved availability by Adrian S

Comment on Raspberry Pi Zero gains a mysterious new feature, and improved availability by Adrian S | Raspberry Pi | Scoop.it
Yes, i am sure that even at the low price they could have stuck those on it.
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How To Make A Pocket-sized DIY Linux Computer?

How To Make A Pocket-sized DIY Linux Computer? | Raspberry Pi | Scoop.it
Fossbytes is a technology news and tutorial website that covers security and hacker news, open source, Windows 10, Ubuntu, and programming languages.
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PiPhone: A DIY Raspberry Pi Cellphone

PiPhone: A DIY Raspberry Pi Cellphone | Raspberry Pi | Scoop.it
With a Raspberry Pi, TFT touch screen, and GSM module, Dave Hunt created the PiPhone, a DIY cellphone. | See more about Raspberries, Phones and Mobile Phones.
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Awesome Gift Guide for Kids – DIY

Awesome Gift Guide for Kids – DIY | Raspberry Pi | Scoop.it
The most creative community for kids in the galaxy. Use DIY to learn new skills and keep a portfolio.
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Re: Program one Arduino with another / Duplicate function of Arduino

Re: Program one Arduino with another / Duplicate function of Arduino | Raspberry Pi | Scoop.it
Quote from: OldSteve on Today at 01:20 pmAfter getting the idea to modify it, then doing the work to make it compile, I was actually looking forward to seeing if it worked in the morning.I can't be bothered with this any more....
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Re: Piezo Buzzer as Sound Sensor

Re: Piezo Buzzer as Sound Sensor | Raspberry Pi | Scoop.it
Quote from: DVDdoug on Today at 03:26 amIt's probably more practical to get a microphone board rather than building your own preamp.Alright th...
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Why Did Intel Corporation Launch A $15 Internet of Things Computer?

Why Did Intel Corporation Launch A $15 Internet of Things Computer? | Raspberry Pi | Scoop.it
Intel recently started shipping the Quark Microcontroller Developer Kit D2000, a tiny single board computer for Internet of Things (IoT) devices like wearables, smart appliances, home automation products, and industrial equipment. The $15 board sports
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Re: 6 Servomotors on Arduino board (problem)

Re: 6 Servomotors on Arduino  board (problem) | Raspberry Pi | Scoop.it
Quotei have connected 6 servomotor on Arduino Uno without external power sourceDon't do that.Use and external power supply for the servos.Don't forget to join the grounds.
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BeagleBone Black with IBM Cloud and Texas Instruments Sensor Tag for Debian Jessie

BeagleBone Black with IBM Cloud and Texas Instruments Sensor Tag for Debian Jessie | Raspberry Pi | Scoop.it
What Exactly are we Using Here?You may have seen this guide in parts, however I like everything in one place, on one page and appropriately up to date. Or as much up to date as I can possibly do, technology moves so fast! Texas Instruments (TI) have this interesting little board called a Sensor Tag and the version I have is a CC2650 running the default firmware. To update the firmware, you need the right cable to plug into it. This cute little board comes with a plastic enclosure, that then can be contained within a rubber sleeve. I imagine you could have a number of these devices placed around though with them being Bluetooth you're going to have to be in an open area or have thin walls, it is 2.4Ghz after all. What's ridiculous (in a good way) about the Sensor Tag is that it comes with 10 sensors on board, and it can sync with any Bluetooth device, including your phone, you can even expand it to add more sensors to it. I'm not sure why you'd want to add more sensors to it, because it already has these: "10 sensors including support for light, digital microphone, magnetic sensor, humidity, pressure, accelerometer, gyroscope, magnetometer, object temperature, and ambient temperature" Elementary, my Dear IoTThose clever people at International Business Systems (IBM) have been developing a way to make sense of data, lots and lots of data, in various different ways. It may be an artificial intelligence, or it may just be intelligent ways of looking at data. I'm not entirely sure, it helps to watch a video and make sense of it all. Since all things Internet will be creating a lot of data, it makes sense that Watson is thrown at IoT. You will need to sign up for an IBM Bluemix account to be able to work through attaching your IoT sensor(s) to the Watson IoT. Fortunately, there is a free tier of Watson IoT for us to play with, however this can scale up to cover thousands of devices with some amount of data traffic and storage. It is a little weird, even if you select Free you're put into the Free Trial, just see it as a nice 'try before you proceed' affair.   What do I Need to Get Started?Since we're just working on a small scale, you will need:BeagleBone Black IndustrialBeagleBone Black IndustrialTI Sensor Tag CC2650TI Sensor Tag CC2650Bluetooth 4 USB AdapterBluetooth 4 USB Adapter8gB microSD Card (preferably Class 10)Ethernet cableEthernet cable with a connection to the internet.A way to write to a microSD Card from a laptop or desktop computer. With this hardware I'm making the assumption that you're going to plug the Beaglebone Black into a wired network. Yes, I know that it is possible to setup a 'soft network' using the USB cable that comes with the BeagleBone Black and connecting it to your computer. However, I discovered that the driver bundled with even the latest Debian image does not work with Windows 10 64bit, you're advised to compile the driver yourself. If you don't have a way to view the desktop on the BeagleBone Black (it does require a mini HDMI to something sensible cable) then you won't be able to setup WiFi either. So I suggest plugging in an Ethernet cable to a switch, whether that's a home gateway or on the same network as a computer that's running a DHCP server. If you're not connected to the internet via this connection, you'll have to scour the packages and offline files for yourself. Setting up the BeagleBone BlackLet's get set up with a reasonably up to date version of Debian Linux. Angstrom hasn't been the default stable for the BeagleBone Black for a while now and thankfully we can use the armhf architecture from Debian. You can download the latest Debian 8.3 Jessie image. If you're using Linux then the setup of the microSD card is straight forward, you can use unxz as a command (or you can even use simply 'xz -d', search your distribution's repository if you don't have either) to extract the downloaded image file, and then use dd to write the image file to the microSD card using something like this: sudo dd if=./BBB*.img of=/dev/sdX Be wary using BBB*.img as the filename if you have more than one image file in the folder you're running this command in. The command is ran from a terminal window, and /dev/sdX is an example name of your SDCard device reader where the microSD card is plugged into. If you're not sure which one it is, then you're going to have a fun dance with "ls /dev/" and dmesg commands as you plug/unplug your SDCard into the computer and correlate the names as to which device is your SDCard. On Microsoft Windows, you can use win32DiskImager, insert your SDCard into your reader, select the appropriate drive letter and the .IMG file, after extracting it with something like 7-Zip and write it to the card. However, I encountered a problem when using win32DiskImager and writing the Debian image, it wouldn't do more than 2gByte of data sometimes and I had to resort to using Linux. Now, it may have been a faulty microSD card, or it could have been Windows to blame. Just be wary that if you're not able to write properly to your SDCard that you may need to try a different operating system, or your card is broken. Once you have your microSD card setup, you can insert it into your BeagleBone Black and connect power to it. Either by powering it with the USB cable or a wall wart rated at 5V, perhaps above 1Amp. Ensure your BeagleBone Black is connected to the wired network. Accessing the BeagleBone Black on the NetworkThere are many different ways you can find out what the IP address is of the BeagleBone Black if you haven't connected it to your computer using the USB port, ranging from a network scan using nMap (don't run that on corporate networks, your network administrator won't be happy) to looking up the DHCP allocation table on your network router. The method you use will be entirely dependent on your network setup and how you've chosen to connect to it, and unfortunately we won't be covering that here, but by all means ask in the comments below. You'll want to login to the BeagleBone Black via SSH, using either PuTTy on Windows, or just ssh on Linux. You can login as root as by default there is no password set and root is permitted over ssh, alternatively the username and password is: User: debianPass: temppwd Once you're connected to your BeagleBone Black then it's time to ensure that your distribution is fully up to date. To keep track of any potential problems, separately you should run: sudo apt-get updatesudo apt-get upgradesudo apt-get dist-upgradesudo apt-get autoremovesudo apt-get clean This will update your operating system, and you should run through this set of commands at least twice in case any packages are held back. A command I run when I'm being quick, dirty and lazy is: sudo apt-get update; sudo apt-get upgrade -y; sudo apt-get dist-upgrade -y; sudo apt-get autoremove -y; sudo apt-get clean -y Which goes through them autonomously, use at your own discretion. Yes, those are semi-colons between commands. Configuring the BeagleBone Black and the Sensor Tag to Access IBM WatsonWhat we're going to do now involves using the repository software called 'git'. From here we're going to get hold of software from github, and then modify it because it's out of date. I did consider forking the repository and having this fixed in an element14 repo, but I think it serves as a good example to introduce you to the code and also using git. The software basically downloads and installs bluetooth and also sets up nodejs which is a set of Javascript libraries. Make sure you're connected to the internet and we'll download the git repository, effectively cloning it from github and then change to that directory. First you should navigate to your home directory, and we're assuming here that you logged into the BeagleBone Black as the root user: cd ~/git clone http://github.com/ibm-messaging/iot-beaglebonecd iot-beaglebone/samples/nodejs There is a setup script which should take care of everything for you. If you logged in as root, you do not need sudo: sudo ./setup.sh Take note of any error messages that you see, this bundled up setup script which installs the packages of bluez and libbluetooth-dev. It also performs an 'npm install'. Manual AdjustmentThere is a Javascript file which we have to alter ourselves, This is not hosted in github, but is likely pulled through when npm is run, so it is not necessarily straightforward to have been able to apply a preliminary fix. We need to replace a file after successful running of the setup.sh script, the file is attached to this blog post, you can download the file by using wget: wget https://www.element14.com/community/servlet/JiveServlet/download/38-204521/cc2650.js This will download the file to the current folder you are in, you then have to move the file to replace "iot_beaglebone/samples/nodejs/node_modules/sensortag/lib/cc2650.js". We should be able to do this in one command, like so: wget https://www.element14.com/community/servlet/JiveServlet/download/38-204521/cc2650.js ; -O ~/iot_beaglebone/samples/nodejs/node_modules/sensortag/lib/cc2650.js This is to fix an API change in the node/javascript calls. The -O parameter here may not strictly be correct, Using the IoT Cloud Now to associate the Sensor Tag with the BeagleBone Black and use it with the IBM Watson service: cd ~/iot_beaglebone/samples/nodejsnode iot_sensortag.js Now you'll want to register your devices in the IBM Watson IoT Platform, there is also a Quickstart where you can check what information the device(s) are sending. I'm aware there are likely steps I've missed in this, and I will update accordingly. Please, if you've been working on this, make suggestions in the comments below.
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Re: VGA library - now with TV output

Re: VGA library - now with TV output | Raspberry Pi | Scoop.it
Ok... But can you recommend another way for reading encoders and debounce them. I have tried a couple of different sketsches without the timer interrupt but none of them worked as exact as the timer interrupt. They always bounced crazy. I have also tri...
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Ardumower: 3D Printed Robotic Lawn Mower + Arduino

Ardumower: 3D Printed Robotic Lawn Mower + Arduino | Raspberry Pi | Scoop.it
Robotic lawn mowers have become more sophisticated over the years. Don’t feel like spending a fortune on one? You can build your own. The Ardumower is a 3D printed robotic lawn mower that detects boundaries and mows your lawn continuously. It can handle up to 500m2 of space. You are going to need a 3DThe post Ardumower: 3D Printed Robotic Lawn Mower + Arduino appeared first on Gadgetify.
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