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Raspberry Pi

394 posts
stmorgan

HDMIPi Goes Metal

Posted by stmorgan Jan 7, 2018
This post describes a project to place an HDMIPi display monitor into into an aluminum enclosure.  Some information concerning the HDMIPi's pushbutton switches is discussed that may be of interest to individuals looking to "hack" the switches.   Motivation   The HDMIPi is a small, lightweight 9-inch HD display kit that allows the integration of certain Raspberry Pi models into the HDMIPi case.  The device is very much in the spirit of the Raspberry Pi itself and other Raspb ...
SmartiPi NoIR Grid Eye Thermal Camera     Infrared From Wikipedia, the free encyclopedia  https://en.wikipedia.org/wiki/Infrared          Infrared radiation is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore invisible to the human eye. Most of the thermal radiation emitted by objects near room temperature is infrared.        Infrared was discovered in 1800 by as ...
On github, I created a Do-It-Yourself Certificate Authority project (https://github.com/texadactyl/diyca), suitable for unit testing (developer testing) just prior to entering integration system testing with a wider audience: more developers, testing organization, end-users, and/or auditors.  A web server approach is used in obtaining an X.509 certificate signed by the unit testing Certificate Authority ("Calvin"), based on a Certificate Signing Request (CSR) provided by the user, employing ...
For a moment, it felt like i was guiding the mars rover!     I bought the NoIR camera about 12 months ago for another project and wondered how i could incorporate into my robot somehow. I swapped out my normal camera that i use for my OpenCv work and dropped in the NoIR camera, Now in the past i have tried using some of the small IR lamps and LED units but they never really delivered the results i was looking for so i found an IR FLOOD LIGHT and mounted that on a deck for giggles to s ...
     Kyber Crystals     https://www.instagram.com/trent_darkside/ ...
I have seen a lot of guides to configure headless operations without attached display, keyboard, and mouse - all of which seem to be out of date.  Maybe it's because that Raspbian has evolved or something else.  Anyways, this technote is based on Raspbian Stretch or Stretch-Lite circa September 2017.   I got this Raspberry Pi Zero "W" for USD 5.00 by walking into a local store (http://www.microcenter.com/product/486575/Zero_W) in the Dallas/Fort Worth Texas USA area.  That p ...
This is a light stand for the official Raspberry Pi 7"touchscreen Display. It is designed for quick prototyping as it is lightweight and takes little time to print. 4 pcs M3-0.5x5mm or M3-0.5x6mm screws are needed. At the beginning of the design I couldn't decide what was the best angle so I ended up designing 3 stands with with different angles (45, 60 and 70 degrees) -pictures attached-. Design based on the official drawing dimensions for the Raspberry Pi 7 Inch Display. 3D-printed light s ...
My complete github project (https://github.com/texadactyl/rpi_clock ) provides a Raspberry Pi Clock & Weather display (rpi_clock), based on the Quimat 3.5" TFT Touch Screen with a 320x480 resolution and their software housed at https://github.com/goodtft/LCD-show.  The primary Tk window displays date, time, and current weather conditions outside according to the Richardson Texas USA station of the Weather Underground.  If you touch the screen, it will bring up a secondary Tk window ...
I am currently running this on a Raspberry Pi 2 with Debian "Raspbian GNU/Linux 9 (stretch)"   1. sudo apt-get update 2. sudo apt-get install apache2 3. sudo mkdir -p /var/www/yourdomain.com/public_html 4. sudo chown -R $USER:$USER /var/www/yourdomain.com/public_html 5. sudo chmod -R 755 /var/www 6. nano /var/www/yourdomain.com/public_html/index.html   ----------------Add the following to the index.html file------------- <html>   <head>     < ...
This guide provides step-by-step instructions for controlling your MATRIX Creator with a discord bot. By the end, you’ll be able to control the Creator’s LEDs, microphones, and ability to run any command you create.   Required Hardware Before you get started, let's review what you'll need. Raspberry Pi 3 (Recommended) or Pi 2 Model B (Supported) - Buy on Element14 - Pi 3 or Pi 2. MATRIX Creator - The Raspberry Pi does not have a built-in microphone, the MATRIX Creator has an 8 ...
Matt Reed from RedPepper has used a Raspberry Pi, Microphone, a Creepy Doll and  Google’s Speech Neural Network system to listen into .... Ghosts.       "From October 27–31, we’ll be live streaming the DeepWhisper rig nightly from our offices in historic “Butchertown” Nashville so you can watch for any EVPs that may come through. Just the thing to do at 3am when you can’t sleep." - Matt Reed   The DeepWhisper Project  pipes a ...
Home Automation in the UK Simplified, Part 1: Energenie MiHome Join Shabaz as he works on his IoT home! Learn about home automation using the Raspberry Pi, Energenie MiHome and Node Red. Check out our other Raspberry Pi Projects on the projects homepage Previous Part All Raspberry Pi Projects Next Part   Note: Although this blog post covers a UK home automation solution, a lot of the information is still relevant for other regions. The information here shows how to create software app ...
  This guide provides step-by-step instructions for connecting a unity client to your MATRIX Creator. This connection will be used to demonstrate how unity can read data from every sensor the MATRIX Creator has.   Required Hardware Before you get started, let's review what you'll need. Raspberry Pi 3 (Recommended) or Pi 2 Model B (Supported) - Buy on Element14 - Pi 3 or Pi 2. MATRIX Creator - The Raspberry Pi does not have a built-in microphone, the MATRIX Creator has an 8 mic array ...
Ways of the SD card You may find yourself needing to backup your SD card for future reference or for posterity and fame. Whatever your reason there are several well documented ways you can do it. In some case you might also want to be able to get things back from your backup and you then generally need to write it back to and SD card to do so. Using a Linux distribution of your choice for your desktop system this article shows how to backup a card and get contents right from the .img backup fi ...
This guide provides step-by-step instructions for wiring a robot arm to your MATRIX Creator and then having that arm hit a gong whenever a Stripe sale or Slack command is received. It demonstrates how to use the GPIO pins of the MATRIX Creator to control a servo and how to receive a Slack or Stripe response to trigger the arm.     Required Hardware Before you get started, let's review what you'll need. Raspberry Pi 3 (Recommended) or Pi 2 Model B (Supported) - Buy on Element14 - Pi ...

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