Hackers are buzzing with ideas from Pi-powered arcade machines and drones to the home automation and low-cost tablets. 10 coolest uses for the Raspberry Pi article tells that TechRepublic has delved into the Raspbery Pi’s developer forums, and here’s our round-up of the best ideas so far, ranging from the eminently achievable to the massively ambitious. You can use your Raspberry Pi for example as media streamer, arcade machine, tablet computer, robot controller and home automation controller. Rasberry Pi homepage offers also some more interesting projects like Retro games and a retro joystick.
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Tomi Engdahl says:
Build your own Raspberry Pi retro gaming rig using RetroPie
https://howchoo.com/g/n2qyzdk5zdm/build-your-own-raspberry-pi-retro-gaming-rig
For around 50 bucks, you can build your very own vintage gaming rig that will hook up to any HDMI-enabled TV or monitor. This guide will show you everything you need to do to get playing.
For this build, we’re going to use RetroPie, an awesome software package that handles all your emulation needs.
https://retropie.org.uk/download/
Tomi Engdahl says:
Emulating a GameBoy Advance Inside of a Gameboy Advance
http://hackaday.com/2016/11/03/emulating-a-gameboy-advance-inside-of-a-gameboy-advance/
Emulator inside GBA
http://imgur.com/gallery/kjFmS
my take on creating a portable emulator gaming system based on the Raspberry Pi Zero and RetroPi software. I went for the Gameboy Advance mod because: 1. The two extra shoulder buttons is useful for many games and systems. 2. The smaller space created more of a challenge and a nice compact finished product. I started with an old Gameboy Advance. My design intent was to take advantage of a Raspberry Pi Zero for the main backend of the system.
Tomi Engdahl says:
Primes In A Box
http://hackaday.com/2016/11/07/primes-in-a-box/
Lots of useful things come in boxes. Shoes, soldering irons and… prime numbers? This simple project from [WhiskyTangoHotel] puts a list of prime numbers in a handy box. Press a button, get a prime.
Sure, it isn’t brain surgery: all that it is happening is that a Raspberry Pi is reading a number from a text file, then showing it on an LCD screen. But it’s well-documented project
Prime Numbers in a Box
http://www.whiskeytangohotel.com/2016/10/prime-numbers-in-box.html
Tomi Engdahl says:
Pi Zero Transforms to Game Boy
http://hackaday.com/2016/11/12/pi-zero-transforms-to-game-boy/
http://www.instructables.com/id/DIY-Raspberry-Pi-Zero-Handheld-Game-Console/
Tomi Engdahl says:
Raspberry Pi Spies On… Err… Monitors Baby
http://hackaday.com/2016/11/12/raspberry-pi-spies-on-err-monitors-baby/
“Quick! We’re having a baby and we need a baby monitor!” Rather than run to the local big box and plunk down cash for an off-the-shelf solution, any self-respecting hacker would rise to the challenge and hit the shop to build something like this live streaming eye-in-the-sky baby camera. Right?
He designed his build around an old Raspberry Pi 2 that was hanging around. That required a WiFi adapter, and since he wanted video and audio he needed a camera and mic.
DIY Baby Monitor
https://antibore.wordpress.com/2016/11/10/diy-baby-monitor/
I recently discovered WebRTC in another project and wanted to try it out in some home project. Since our another home project is nearing it’s delivery, a baby monitor seemed to be in the (very long) list of things to buy.
Our baby will probably be sleeping mostly outside in the baby carriage and I wanted some kind of device with live picture thats viewable anywhere in the house to keep an eye on him while doing something else. WebRTC seemed to fit the bill since it works wherever a recent enough browsed is available like in the Android tablet we have in the space between our kitchen and the living room. I tried to use ready software and 3D-printable parts wherever possible to make something usable fast.
Hardware
The device is standard Raspberry Pi 2 with camera. Since Pi2 does not have
internal wlan like Pi3, I added an external adapter. TP-Link TL-WN725N was used for its small size.
Tomi Engdahl says:
Put A Pi In Your JAMMA
http://hackaday.com/2016/11/12/put-a-pi-in-your-jamma/
In fact, there is a standard for the wiring in arcade cabinets. Arcade operators demanded running costs as low as possible, and the industry responded with the JAMMA wiring standard. The Japan Amusement Machinery Manufacturers Association was the name the Japanese trade body was known under in the 1980s, and they originated a specification for both wiring and connector that would allow hardware to be easily installed for any game that supported it.
[Jochen Zurborg] has created an interesting board supporting the JAMMA connector, one that interfaces it with a Raspberry Pi and offers full support of the Pi as a video source. He’s launching his Pi2Jamma as a commercial product so sadly there are no schematics or Gerbers for you to look at
Connecting 15Khz Arcade CRT Monitor Cab to Raspberry Pi with Pi2Jamma
http://bencao74.blogspot.fi/2016/11/connecting-15khz-arcade-crt-monitor-cab.html
Find there the Pi2Jamma project. This nice little PCB let you connect your Raspberry Pi to Arcade Cabs with 15 Khz RGB Arcade CRT Screen monitors, of course via Jamma interface
Tomi Engdahl says:
Better Tornado Warnings with Polygons and Pi
http://hackaday.com/2016/11/11/better-tornado-warnings-with-polygons-and-pi/
Everyone pays close attention to the weather, but for those who live where tornadoes are prevalent, watching the sky can be a matter of life and death. When the difference between making it to a shelter or getting caught in the open can be a matter of seconds, it might make sense to build an internet enabled Raspberry Pi weather alert system.
[Jim]’s build seeks to improve SAME by integrating National Weather Service polygon warnings, which define an area likely to see a severe weather event as a collection of geographic vertices rather than a political unit. He’s using a Raspberry Pi NOAA weather radio receiver with SAME decoding, and while details are sparse and the project is ongoing, the idea seems to be to use the Pi to scrape the NWS site for polygon data once a county-level warning is issued.
Build your own Raspberry Pi tornado warning system
Learn how to make a weather radio with a Raspberry Pi.
https://opensource.com/life/16/10/build-your-own-raspberry-pi-tornado-warning-system
Tomi Engdahl says:
Raspberry Pi Zero Prism
https://hackaday.io/project/18033-raspberry-pi-zero-prism
Pi Zero Prism is the upgraded version of Pi Zero Smart glass.Uses Image,Facial,ocr recognition,and browse Internet on it.
Designed by Ricardo Ferro | Licensed under CC BY 3.0
I didn’t want to buy Google glass so I made Pi Prism thats customizable.
Tomi Engdahl says:
Raspberry Pi 3 Gameboy
https://hackaday.io/project/18003-raspberry-pi-3-gameboy
This is a DIY Raspberry Pi 3 gaming handheld running RetroPie to play all your classics!
https://retropie.org.uk/
RetroPie allows you to turn your Raspberry Pi or PC into a retro-gaming machine. It builds upon Raspbian, EmulationStation, RetroArch and many other projects to enable you to play your favourite Arcade, home-console, and classic PC games with the minimum set-up
Tomi Engdahl says:
Lua Pi Pan
https://hackaday.io/project/17609-lua-pi-pan
Lua pi pan is my take on home IoT using lua and raspberry pi’s
Lua home iot system for raspberry pi. Modules for as many common gpio/usb devices as possible will be made and designed to work with a network of rpi’s using a master/slave node system.
More details on install and program components can be found on github or the install video in the links.
Instructions for the physical connection of devices will be done though youtube videos.
Tomi Engdahl says:
LiFePO4wered/Pi
LiFePO4 battery / UPS / power manager for Raspberry Pi
https://hackaday.io/project/9461-lifepo4weredpi
The 2016 Hackaday Prize
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Patrick Van Oosterwijck
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This project is submitted for
Adafruit Pi Zero Contest
The 2016 Hackaday Prize
Get Started: Design Your Concept
Anything Goes
This project was created on 02/02/2016 and last updated a day ago.
Description
- Ever wished you could unplug your Raspberry Pi and move it elsewhere when you were in the middle of something and didn’t want to turn it off?
- Ever wanted to have your Pi run on battery power for a couple of hours?
- Ever wanted to have your Pi sleep most of the time, but wake up to do a short task at regular intervals, all while battery powered?
- Ever wanted your Pi to have a power button that would do a clean shutdown instead of just pulling power, even when you were using it headless?
- Ever had a high-availability application where you wanted your Pi to run through short power outages, and cleanly shut down and come back online when power returned?
If you answered “yes” to any of these questions, LiFePO4wered/Pi is for you!
The project is built on top of a LiFePO4wered/USB module. A small board is added with an MSP430G2231 microcontroller that takes care of monitoring input and output voltage, monitoring a PCB touch button, driving a power indicator LED and switching the load (the Raspberry Pi power). The microcontroller is also connected to the Pi’s I2C bus and monitors the Pi’s running state.
Tomi Engdahl says:
Raspberry Pi Robot That Reads Your Emotions
http://hackaday.com/2016/11/17/raspberry-pi-robot-that-reads-your-emotions/
It’s getting easier and easier to add machine intelligence to your hacks, even to the point where you sometimes don’t have to install any special software. In this case [Dexter Industries] has added the ability to read human emotions to their EmpathyBot robot by making use of Google Cloud Vision.
Press a button on the robot and it moves forward until it’s a certain distance from an object. It then takes a picture and sends it off to Google Cloud Vision along with a request to do face detection. The response that Google returns is in JSON format and, if it finds a face, includes the likelihood of the face being happy, sad, sorrowful or surprised. The robot parses that response and gives an appropriate canned speech using the text-to-speech software, eSpeak e.g. “You seem happy! Tell me why you are so happy!”.
[Dexter] has made the source code available on github. It’s written in python and is easy to read by anyone with even just a little programming experience.
https://github.com/DexterInd/GoPiGo/tree/master/Projects/Empathybot
Tomi Engdahl says:
Enlightened Raspberry Pi Contest Winners
http://hackaday.com/2016/11/17/enlightened-raspberry-pi-contest-winners/
The Enlightened Raspberry Pi Contest wrapped up last week. As soon as the contest closed, Hackaday’s crack team of judges jumped on the case. Every entrant was carefully reviewed. This was no easy feat! The field of 168 projects included both new concepts and old favorites. All of them were designed, built and documented with care. After all the votes were counted, 8 finalists rose to the top and were sent to [Matt Richadrson], [Ken Shirriff], and [Alvaro Prieto], our VIP judges, for the final ranking.
Enlightened Raspberry Pi Contest
Build and Document Awesome Raspberry Pi Projects, Win Fabulous Prizes
https://hackaday.io/contest/15532-enlightened-raspberry-pi-contest
Tomi Engdahl says:
Bypassing TV broadcasting restrictions
https://hackaday.io/project/10821-bypassing-tv-broadcasting-restrictions
A compact Tvheadend server based on a RPi3 to bypass geographical restrictions of TV broadcasting
Tomi Engdahl says:
Raspberry Pi GPS Stratum 1 NTP server
https://hackaday.io/project/15137-raspberry-pi-gps-stratum-1-ntp-server
The cheapest and simplest way to make a highly accurate time server for your network or the global NTP pool
NTP, the Network Time Protocol, is a service that distributes accurate time worldwide over the Internet. NTP’s fundamental assumption is that if two clocks read different times, at least one of them is wrong. As such, NTP is designed to pick from amongst the best sources available to synchronize the local clock. An NTP client can also act as an NTP server, further distributing accurate time to clients that might consult it.
At the bottom are external sources of a accurate time, such as GPS, NIST time, atomic clocks and so on. Such external sources are “stratum 0.”
A GPS receiver can be a stratum 0 source for NTP, and adding a GPS receiver to a Raspberry Pi is perhaps the single highest bang-for-the-buck you can get in terms of the accuracy you can obtain compared to cost.
Tomi Engdahl says:
MeArm Raspberry Pi Edition
A robot arm kit that works with the Raspberry Pi
https://hackaday.io/project/16537-mearm-raspberry-pi-edition
Tomi Engdahl says:
PoisonTap Makes Raspberry Pi Zero Exploit Locked Computers
http://hackaday.com/2016/11/16/poinsontap-makes-raspberry-pi-zero-exploit-locked-computers/
Tomi Engdahl says:
Raspberry Pi Multicast TV server
https://www.youtube.com/watch?v=KI0LuIcFM98
Tomi Engdahl says:
Faulty Parking Meter Tracking System? RFID To The Rescue!
http://hackaday.com/2016/11/21/faulty-parking-meter-tracking-system-rfid-to-the-rescue/
How often do you see problems that need fixing? How often do you design your own solutions to them — even if they won’t be implemented at scale? Seeing that many of the municipal parking lots in his native Sri Lanka use a paper ticketing system which is prone to failure, [Shazin Sadakath] whipped up his own solution: an efficient RFID tag logging system.
Digging out an HZ-1050 RFID reader — as well an RFID card and two tags — [Sadakath] set to work connecting it to his Raspberry Pi and cooking up a batch of code and a dashboard to work with. A Python script — using a PiGPIO library — reads the Wiegand Format RFID number, storing it in an SQLite3 database. A Bootstrap, Javascript, and JQuery trifecta make up the dashboard that pulls the RFID info from said server and organizes it into a functional format.
RFID Parking Solution using Raspberry Pi
http://shazsterblog.blogspot.fi/2016/11/rfid-parking-solution-using-raspberry-pi.html
Tomi Engdahl says:
PiClock – A Raspberry Pi Clock & Weather Display
This project is a fancy Clock and weather display built around a monitor and a Raspberry Pi.
https://hackaday.io/project/6184-piclock-a-raspberry-pi-clock-weather-display
Tomi Engdahl says:
LiFePO4wered/Pi
LiFePO4 battery / UPS / power manager for Raspberry Pi
https://hackaday.io/project/9461-lifepo4weredpi
The 2016 Hackaday Prize
View Gallery
37.5k 51 322 240
Team (1)
Patrick Van Oosterwijck
Join this project’s team
LiFePO4wered/Pi software package
Buy on Tindie
hardware
ongoing project
Software
2016HackadayPrize MSP430 power i2c TI Battery TEXAS INSTRUMENTS raspberry pi UPS pi zero power manager uptime smart power liFePo4
This Project Is In These Lists
Projects using OSHpark boards
2016 THP: Microchip Parts
Hackaday Prize Semifinalists, Choose Your Concept
Raspberry Pi Projects
Awesome Projects on Tindie
Browse all lists »
This project is submitted for
Adafruit Pi Zero Contest
The 2016 Hackaday Prize
Get Started: Design Your Concept
Anything Goes
This project was created on 02/02/2016 and last updated a day ago.
Description
- Ever wished you could unplug your Raspberry Pi and move it elsewhere when you were in the middle of something and didn’t want to turn it off?
- Ever wanted to have your Pi run on battery power for a couple of hours?
- Ever wanted to have your Pi sleep most of the time, but wake up to do a short task at regular intervals, all while battery powered?
- Ever wanted your Pi to have a power button that would do a clean shutdown instead of just pulling power, even when you were using it headless?
- Ever had a high-availability application where you wanted your Pi to run through short power outages, and cleanly shut down and come back online when power returned?
If you answered “yes” to any of these questions, LiFePO4wered/Pi is for you!
Tomi Engdahl says:
The Most Flexible Synthesizer is DIY, Raspberry Pi
http://hackaday.com/2016/11/26/the-most-flexible-synthesizer-is-diy-raspberry-pi/
[Ivan Franco] sent us this great synthesizer project that he’s working on. Or maybe it’s more like a synthesizer meta-project: a synthesizer construction set. You see, what Pryth has is a Raspberry Pi inside that’s running a custom distribution that includes SuperCollider to generate the sound, OSC for the communication layer, and a Teensy with up to 80 (!) multiplexed analog inputs that you’ll connect up to whatever hardware you desire.
With the computer inside the box — the Raspberry Pi in question — you can easily make this system into a standalone musical instrument, without tethering it to your laptop.
Everything is open source, and aside from the Pi and the price of potentiometers, this is a dirt-cheap device. You’re not going to be limited by SuperCollider
The system is brand new, but check out the Mitt synth device that [Ivan] already made
The Mitt
https://prynth.github.io/instruments/mitt/
“The Mitt” is a digital synthesizer that explores the fine motor skills of the human hand and the performative aspects of micro gestures. Its tangible interface is constituted by an array of five channels, each composed of an extremely accurate thumb joystick, potentiometers and buttons.
We chose to explore the ambient and drone style through a 5-channel granular synthesis. Sounds can be freely assigned to each channel and joysticks are mapped to amplitude and sample read position, requiring continuous energy input from the player to reach morphing sustaining sounds.
Tomi Engdahl says:
Low-cost Video Streaming with a Webcam and Raspberry Pi
http://hackaday.com/2016/11/25/low-cost-video-streaming-with-a-webcam-and-raspberry-pi/
Some people will tell you that YouTube has become a vast wasteland of entertainment like the boob tube before it. Live streaming doesn’t help the situation much, and this entry level webcam live-stream server isn’t poised to advance the art.
We jest, but only a little. [Mike Haldas] runs a video surveillance company that sells all manner of web-enabled cameras and wondered what it would take to get a low-end camera set up for live streaming. The first step was converting the Zavio webcam stream from RTSP (real-time streaming protocol) to the standard that YouTube uses, RTMP (real-time messaging protocol). Luckily, FFmpeg handles that conversion
Raspberry Pi IP Camera YouTube Live Video Streaming Server
http://videos.cctvcamerapros.com/raspberry-pi/ip-camera-raspberry-pi-youtube-live-video-streaming-server.html
Tomi Engdahl says:
Raspis and Arduinos for FM Broadcast Streaming
https://hackaday.com/2013/11/20/raspis-and-arduinos-for-fm-broadcast-streaming/
The biggest Internet provider in Portugal needed a system to turn FM broadcast stations in Angola, Cabo Verde, and Mozambique into a web stream. Like every good project, the people in charge of the engineering turned to Hackaday staples – Raspberry Pis, Arduinos, and TP-Link routers, all stuffed into an awesome modular rackmount cabinet
Each module in this gigantic rackmount system includes an Arduino, a Raspberry Pi, a Silicon Labs Si4705 FM receiver chip, and a TI USB audio capture chip that allows the Pi to turn the audio out from the radio receiver into an audio stream.
The engineering behind each module is pretty impressive – they’re all hot swappable, have remote shutdown capability, and have voltage divider on the backplane to detect where in the rack it’s placed.
FM Stream Tech Report
http://artica.cc/blog/2013/11/07/fm-stream-tech-report.html
AKA a beautiful, low cost, carrier grade rack of FM tuners, IP/Internet encoders and broadcasters, using nothing but RaspberryPis, Arduinos, clever electronics, neat mechanics, a shiny aluminium case and lots of passion.
The rack is composed of 18 hot-swappable modules. 18 for radio signal streaming and 2 fixed for power management.
Tomi Engdahl says:
Audio Streaming on the Cheap With an RPi Zero
https://hackaday.com/2015/12/10/audio-streaming-on-the-cheap-with-an-rpi-zero/
Raspberry Pi Spies On… Err… Monitors Baby
https://hackaday.com/2016/11/12/raspberry-pi-spies-on-err-monitors-baby/
Tomi Engdahl says:
DIYing A Raspberry Pi Power Bank
http://hackaday.com/2016/11/26/diying-a-raspberry-pi-power-bank/
Over the last decade or so, battery technology has improved massively. While those lithium cells have enabled thin, powerful smartphones and quadcopters, [patrick] thought it would be a good idea to do something a little simpler. He built a USB power bank with an 18650 cell. While it would be easier to simply buy a USB power bank, that’s not really the point, is it?
LiFePO4wered/18650
LiFePO4 battery technology, made easy for makers – a bigger version
https://hackaday.io/project/18041-lifepo4wered18650
High power and capacity version of my LiFePO4wered/USB project.
Provides a convenient module for makers to use LiFePO4 technology in their projects, with all the advantages of safety, cycle life into the thousands of cycles, high power density and 2.9 – 3.6 V voltage range that allows you to power 3 V circuits without a regulator. Very nice for use with modules such as the ESP8266 and ESP32 and other WiFi modules that require a power supply that can handle high peak currents without drooping. At the same time, the charging circuit is disconnected when not powered for minimal leakage when not in use, allowing long standby times.
Tomi Engdahl says:
Controlling Your Instruments From A Computer: Doing Something Useful
http://hackaday.com/2016/11/29/controlling-your-instruments-from-a-computer-doing-something-useful/
Do you know how to harvest data from your bench tools, like plotting bandwidth from your oscilloscope with a computer? It’s actually pretty easy. Many bench tools make this easy using a standard protocol with USB to make the connection.
Tomi Engdahl says:
Running Intel TBB On a Raspberry Pi
http://hackaday.com/2016/12/01/running-intel-tbb-on-a-raspberry-pi/
The usefulness of Raspberry Pis seems almost limitless, with new applications being introduced daily and with no end in sight. But, as versatile as they are, it’s no secret that Raspberry Pis are still lacking in pure processing power
to ensure that you’re actually using all of the available processing power that the Raspberry Pi offers. In [sagiz’s] case, that meant using Intel’s open source Threading Building Blocks to achieve better parallelism in his OpenCV project.
Intel TBB on Raspberry Pi
https://www.theimpossiblecode.com/blog/intel-tbb-on-raspberry-pi/
I believe Intel TBB to be the most valuable multi-threaded tool in one’s arsenal as a C++ developer. That’s not to say that you don’t need to understand threads, synchronization tools, deadlocks and MT pitfalls, but the workflow concepts, encapsulations and optimizations given to you for free with TBB are outstanding.
Having said that, I was very disappointed to find out that raspbian does not include a package for TBB, especially since the Pi2 & Pi3 have multi core processors. As it turns out TBB won’t build easily enough on ARM, but that’s not to say that it can’t be done, as we’ll soon see.
So how do you build a TBB package for Raspberry Pi?
Tomi Engdahl says:
Raspberry Pi Radio Makes the Sweet Music of Bacteria
http://hackaday.com/2016/11/25/raspberry-pi-radio-makes-the-sweet-music-of-bacteria/
The group used geobacter — a kind of bacteria found in soil — a Raspberry Pi, an Arduino, and a camera to build an interesting device. As it looks at the bacteria and uses SuperCollider to create music and lighting from the patterns.
https://github.com/interspecifics/micro-ritmos
Tomi Engdahl says:
An Amateur Radio Repeater Using An RTL-SDR And A Raspberry Pi
http://hackaday.com/2016/12/05/an-amateur-radio-repeater-using-an-rtl-sdr-and-a-raspberry-pi/
An amateur radio repeater used to be a complex assemblage of equipment that would easily fill a 19″ rack. There would be a receiver and a separate transmitter, usually repurposed from commercial units, a home-made logic unit with a microprocessor to keep an eye on everything, and a hefty set of filters to stop the transmitter output swamping the receiver. Then there would have been an array of power supply units to provide continued working during power outages, probably with an associated bank of lead-acid cells.
More recent repeaters have been commercial repeater units.
If you are [Anton Janovsky, ZR6AIC], you make your own low-powered repeater using an RTL-SDR, a low-pass filter, and a Raspberry Pi.
[Anton]’s repeater is a clever assemblage through pipes of rtl_sdr doing the receiving, csdr demodulating, and [F5OEO]’s rpitx doing the transmitting.
With only a 10 mW output this repeater is more of a toy than a useful device, and we’d suggest any licensed amateur wanting to have a go should read the small print in their licence schedule before doing so.
Creating a 2m Fm Repeater with a Raspberry Pi (B) and a RTL dongle.
http://zr6aic.blogspot.fi/2016/11/creating-2m-fm-repeater-with-raspberry.html
Tomi Engdahl says:
Homebrew Dash Cam Enables Full Suite of Sensors
http://hackaday.com/2016/12/06/homebrew-dash-cam-enables-full-suite-of-sensors/
You heard it here first: dash cams are going to be the next must-have item for your daily driver. Already reaching market saturation in some parts of the world but still fairly uncommon in North America, we predict that car makers will soon latch onto the trend and start equipping cars with dash cams as standard equipment. And you can just bet that whatever watered-down, overpriced feature set they come up with will be sure to disappoint, so you might want to think about building your own Raspberry Pi dash cam with an accelerometer and lots of LEDS.
Tomi Engdahl says:
Youtube Drone with Raspberry Pi and 4G/LTE Conn.
https://hackaday.io/project/18860-youtube-drone-with-raspberry-pi-and-4glte-conn
We mounted Raspberry Pi on the drone. With 4G Connection we broadcast live on Youtube. And we shared the construction phase and all
The Raspberry Pi is a revolutionary $35 computer that allows makers all over the world to do really interesting thing. We’ve just added another capability to this list: Live HD video streaming to Youtube with 4G/LTE Connection. Using a LTE Shield, you can now stream live HD video over the web to anyone with no prior hardware or software experience.
Here’s a short clip of our test run and assembly:
https://www.youtube.com/watch?v=F44R5PaV25M
You can find image file and how to prepare SD card for Raspberry Pi on description.
Tomi Engdahl says:
The Nest: Album Release Hidden In A Rock
http://hackaday.com/2016/12/11/the-nest-album-release-hidden-in-a-rock/
First there were vinyl records, then came cassettes, CDs, those failed audio-on-DVD formats, and then downloads. To quote the band, [Bateleur], “you can’t pay someone to take a CD these days.” So how do you release your new album? By hiding a Raspberry Pi in a semi-transparent fake rock on a mountainous cliff, and requiring a secret whistle to enable it, naturally.
https://www.bateleur.xyz/
Tomi Engdahl says:
IR-blaster with CEC
Yet another IR-blaster, but this time with CEC (and WIFI)
https://hackaday.io/project/18911-ir-blaster-with-cec
As part of my home automation, I wanted to build a IR-blaster that would talk to homeassistant.io.
https://home-assistant.io/
Tomi Engdahl says:
ScottTV- A Simple MediaPlayer For My Autistic Son
https://hackaday.io/project/11000-scotttv-a-simple-mediaplayer-for-my-autistic-son
Hi, I needed a simple media player that my son can understand. I could not find a commercial solution, so I built one based on a raspberry
Tomi Engdahl says:
Hybrid Raspberry Pi + PIC32 = Oscilliscope and Function Generator
http://hackaday.com/2016/12/13/hybrid-raspberry-pi-pic32-oscilliscope-and-function-generator/
The PicBerry is a student final project by [Advitya], [Jeff], and [Danna] that takes a hybrid approach to creating a portable (and affordable) combination digital oscilloscope and function generator. It’s based on the Raspberry Pi, features an intuitive Python GUI, and can generate and measure simultaneously.
But wait! The Raspberry Pi is a capable little Linux machine, but meeting real-time deadlines isn’t its strong suit. That’s where the hybrid approach comes in. The Pi takes care of the user interface and other goodies, and a PIC32 over SPI is used for 1 MHz sampling and running a DAC at 500 kHz. The idea of combining them into PicBerry is to get the best of both worlds, with the Pi and PIC32 each doing what they are best at. The readings are sent in batches from the PIC32 to the Pi, where the plot is updated every 30 ms so that user does not perceive any visible lag.
The project documentation notes that improvements can be made, the speeds are a far cry from regular bench equipment, and the software lacks some typical features such as triggering, but overall not bad at all for under $50 of parts.
PicBerry Oscilliscope and Function Generator
with a PIC32 and Raspberry Pi
http://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/f2016/ak634_jmw483_dm797/ak634_jmw483_dm797/ak634_jmw483_dm797/index.html
Tomi Engdahl says:
Pi Zero PC by Bay Networks (The Pikelet)
https://hackaday.io/project/18900-pi-zero-pc-by-bay-networks-the-pikelet
I acquired a great little EN104 Bay Networks ‘Netgear Hub’. I decided to re-purpose it to house a little Pi Zer0.
Tomi Engdahl says:
High-Quality Film Transfers with this Raspberry Pi Frame Grabber
http://hackaday.com/2016/12/15/high-quality-film-transfers-with-this-raspberry-pi-frame-grabber/
Untold miles of film were shot by amateur filmmakers in the days before YouTube, iPhones, and even the lowly VHS camcorder. A lot of that footage remains to be discovered in attics and on the top shelves of closets, and when you find that trove of precious family memories, you’ll be glad to have this Raspberry Pi enabled frame-by-frame film digitizer at your disposal.
With a spare Super 8mm projector and a Raspberry Pi sitting around, [Joe Herman] figured he had the makings of a good way to preserve his grandfather’s old films. The secret of high-quality film transfers is a frame-by-frame capture, so [Joe] set about a thorough gutting of the projector.
How to Convert Old Film Reels With a Raspberry Pi
A projector with a Pi-controlled motor and camera can capture frame-by-frame transfers
http://spectrum.ieee.org/geek-life/hands-on/how-to-convert-old-film-reels-with-a-raspberry-pi
Tomi Engdahl says:
LED Tetris Table
http://hackaday.com/2016/12/18/led-tetris-table/
No hackspace is complete without an arcade game project or two.
York Hackspace have done things a little differently though. Their member [John] has an arcade game project, but instead of an aged cabinet he’s produced his own tabletop game with an array of multicolour addressable LED strips powered by a Raspberry Pi. Each LED sits in its own foam cell under the translucent surface, so it forms a low resolution color block display.
Member project: John’s Tetris Table
https://york.hackspace.org.uk/blog/member-project-johns-tetris-table/
Tomi Engdahl says:
Smart Projector With Built-in Raspberry Pi Zero
http://hackaday.com/2016/12/18/smart-projector-with-built-in-raspberry-pi-zero/
You’ve heard of smartphones but have you heard of smart projectors? They’ve actually been around for a few years and are sort of like a TV set top box and projector combined, leaving no need for a TV. Features can include things like streaming Netflix, browsing in Chrome, and Skyping. However, they can cost from a few hundred to over a thousand dollars.
[Novaspirit] instead made his own cheap smart projector. He first got a $70 portable projector (800×480 native resolution, decent for that price) and opened it up. He soldered an old USB hub that he already had to a Raspberry Pi Zero so that he could plug in a WiFi dongle and a dongle for a Bluetooth keyboard. That all went into the projector.
He lastly made the Raspberry Pi dual-bootable into either OSMC or RetroPie. OSMC is a Linux install that boots directly into a media player and RetroPie is a similar install that turns your Raspberry Pi into a gaming machine.
DIY Cheap Portable Smart Projector with Raspberry Pi Zero
https://www.youtube.com/watch?v=mff-F39fn4o
Tomi Engdahl says:
Pi Palette- Hacker’s Cosmetic Case
The “Pi-Palette” is a pentesting computer concealed in a cosmetic case.
https://hackaday.io/project/18999-pi-palette-hackers-cosmetic-case
The Pi Palette is a Raspberry Pi 3 single board computer in a 3D printed enclosure to disguise as a (somewhat chunky) makeup palette.
*As shown it’s running Kali Linux – a pentesting (hacking) distribution, but you can run several other Linux versions- and even a version of Windows 10. Just please remember that every time you run Windows on hardware fully compatible with Linux a baby penguin dies.
*Wireless charging, and a 5000mah battery which seems to be good for at least a few hours depending
*An RTL3070 WiFi adapter which can be swapped out for a Software Defined Radio without losing basic WiFi connectivity due to the rPi3s onboard WiFi.
Pi Palette- Hacker’s Cosmetic Case
http://imgur.com/a/4aAPS
The “Pi-Palette” is a pentesting computer concealed in a cosmetic case. Demonstration and full build video is up on YouTube: https://youtu.be/bBcZeElCxxk
Tomi Engdahl says:
Password-Free Guest WiFi from Raspberry Pi
http://hackaday.com/2016/12/19/password-free-guest-wifi-from-raspberry-pi/
Anytime you’re having more than a handful of people over to your place for a wild rager or LAN party (or both), you’ll generally need a way to make sure everyone can get their devices on the network. Normally, this would involve either putting your WiFi password into more phones than you can count
He calls his project “guestwlan” and it’s set up to run on a Raspberry Pi with a touch screen. When a potential WiFi user approaches the Pi and requests access to the network, the Pi displays a QR code. Within that code is all of the information that the prospective device needs to connect to the network. For those who have already spotted the new security vulnerability that this creates, [NicoHood] has his guest WiFi on a separate local network just to make sure that even if someone nefarious can access the Internet
[NicoHood] also released his software on Git but it has been configured for use with Arch. He says that it would probably work in a Debian environment
https://aur.archlinux.org/packages/guestwlan/
Easy & Secure Guest WLAN setup with QR code GUI and photodiashow.
https://github.com/NicoHood/guestwlan
Tomi Engdahl says:
ZeroDriver
An Arduino Zero compatible motor driver for robotics projects.
https://hackaday.io/project/18253-zerodriver
ZeroDriver is an Open Source Arduino Zero compatible motor driver for small robotics and mechatronics projects.
Tomi Engdahl says:
Pi Keeps Cool at 1.5 GHz
http://hackaday.com/2016/12/20/pi-zero-keeps-cool-at-1-5-ghz/
Hackers have a long history of overclocking CPUs ranging from desktop computers to Arduinos. [Jacken] wanted a little more oomph for his Pi Zero-Raspberry Pi-based media center, so he naturally wanted to boost the clock frequency. Like most overclocking though, the biggest limit is how much heat you can dump off the chip.
[Jacken] removed the normal heat sink and built a new one out of inexpensive copper shim, thermal compound, and super glue. The result isn’t very pretty, but it does let him run the Zero Pi at 1.5 GHz reliably. The heat sink is very low profile and doesn’t interfere with plugging other things into the board. Naturally, your results may vary on clock frequency and stability.
Raspberry Pi 3 Overclocking Heatsink Cheap
http://www.jackenhack.com/raspberry-pi-3-overclocking-heatsink-cheap/
DIY Heatsink
When it comes to heat dissipation, there’s no substitute for size and the right material. Copper is heavy and has excellent heat transfer abilities, so I searched and found cheap GPU heatsink shims that was 15×15 mm on eBay for under $4 including shipping. All I needed to do was to stack a lot of them on top of each other
So I got some cheap heatsink compound and regular super glue and just put the heat sink compound on each copper plate, leaving space in the middle for a small dab of glue. Yes, I super glued the copper plates directly on the CPU, because, hey, a Raspberry Pi is cheap!
Tomi Engdahl says:
A Menorah For The 21st Century
http://hackaday.com/2016/12/21/a-menorah-for-the-21st-century/
For those new and experienced, this time of year is a great chance for enterprising makers to apply their skills to create unique gifts and decorations for family and friends. [Mike Diamond] of What I Made Today built a phone controlled, light-up menorah. It’s a charming way to display some home automation know-how during the holidays.
Expanding on his previous project — a pocket-sized menorah — a Raspberry Pi Zero with a WiFi dongle, some LEDs, wire, and tea lights suffice for the materials, while setting-up Blynk on the Raspberry Pi and a phone to control the lights ties it together after mounting it in an old monitor housing.
Light Your Menorah (Hanukiyya) or Christmas Tree Remotely from your Phone
http://www.whatimade.today/light-your-menorah-hanukiyya-christmas-tree-remotely-from-your-phone/
12 December 2016 on blynk, raspberry pi, Raspberry-pi, LED, Hanukkah Menorah, home automation, remote control, WiFi, screen bash, hanukka, Hanukkah, Hanukkia, E-hanukkia
Tomi Engdahl says:
An Eye-Catching Raspberry Pi Smart Speaker
http://hackaday.com/2016/12/21/an-eye-catching-raspberry-pi-smart-speaker/
[curcuz]’s BoomBeastic mini is a Raspberry Pi based smart connected speaker. But don’t dis it as just another media center kind of project. His blog post is more of a How-To guide on setting up container software, enabling OTA updates and such, and can be a good learning project for some. Besides, the design is quite elegant and nice.
boombeastic_02The hardware is simple. There’s the Raspberry-Pi — he’s got instructions on making it work with the Pi2, Pi2+, Pi3 or the Pi0. Since the Pi’s have limited audio capabilities, he’s using a DAC, the Adafruit I2S 3W Class D Amplifier Breakout for the MAX98357A, to drive the Speaker. The I2S used by that part is Inter-IC Sound — a 3 wire peer to peer audio bus — and not to be confused with I2C. For some basic visual feedback, he’s added an 8×8 LED matrix with I2C interface.
BoomBeastic mini
A Raspberry Pi based smart connected high-quality speaker
https://hackaday.io/project/15672-boombeastic-mini
Tomi Engdahl says:
Jukebox Gets Raspberry Pi Update, but It’s Not for Streaming
http://hackaday.com/2016/12/28/jukebox-gets-raspberry-pi-update-but-its-not-for-streaming/
Here’s a retro-electronic rehab with a twist. Normally we’d expect a jukebox Raspberry Pi project to replace the obsolete electromechanical guts with streamed music, but an intact jukebox with a Raspberry Pi remote control is a nice change.
Old-time jukes like [revnhoj]’s 1954 AMI F120 are electromechanical marvels.
AMI F120 Jukebox controlled by Raspberry Pi
https://www.youtube.com/watch?v=6l2vZ3UDlp4
Tomi Engdahl says:
Raspberry Pi and Alexa Make Teddy Ruxpin Smarter than the Average Bear
http://hackaday.com/2016/12/24/raspberry-pi-and-alexa-make-teddy-ruxpin-smarter-than-the-average-bear/
Alexa Ruxpin – Raspberry Pi & Alexa Powered Teddy Bear
http://www.tinkernut.com/portfolio/alexa-ruxpin-raspberry-pi-alexa-teddy-bear/
Tomi Engdahl says:
Improving Raspberry Pi Disk Performance
http://hackaday.com/2016/12/29/improving-raspberry-pi-disk-performance/
Usually, you think of solid state storage as faster than a rotating hard drive. However, in the case of the Raspberry Pi, the solid state “disk drive” is a memory card that uses a serial interface. So while a 7200 RPM SATA drive might get speeds in excess of 100MB/s, the Pi’s performance is significantly less.
[Rusher] uses the Gluster distributed file system and Docker on his Raspberry Pi. He measured write performance to be a sluggish 1MB/s (and the root file system was clocking in at just over 40MB/s).
After some experimentation, he managed 5MB/s on Gluster and increased the normal file system to 46 MB/s.
My Journey to Improve Disk Performance on the Raspberry Pi
https://www.linux-toys.com/?p=1153
No matter what the use case for a system is, finding the best performance settings will always require tedious work
Tomi Engdahl says:
DroneTV: Autonomous Pirate Dronesound Livestream
https://hackaday.io/project/11971-dronetv-autonomous-pirate-dronesound-livestream
Raspberry Pi Generates 24/7 Surreality TV Stream from Public Samples and Audience Requests. It’s an “Art” Thing?