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Raspberry Pi

383 posts
Recently MathWorks had run Simulink Student challenge where in users were asked to submit their projects in which they had used Simulink to provide real-world solutions and they could win up to 1000 dollars. Even though this project did not place inside top 3 in this challenge, it was one of my favorites -     They are using a Raspberry pi as the brain for the control system and the camera board to get the actual position of the ball which can then be used in feedback control. This ...
ninjatrent

Stormtrooper Pi Radio

Posted by ninjatrent Jan 19, 2018
Stormtrooper Pi Radio Project Awhile back I purchased this talking First Order Stormtrooper Toy. Originally, the toy would play a few different recorded prases and sound effects. While this toy had a lot of neat features, wouldn't it be fun to hack this toy.   Stormtrooper Teardown First we need to see what is inside. Look Ben, there's screws! Removal of the battery cover we find some AA batteries. There is a three position power switch at the base of the neck. In order to gain ...
As I spoke to the team behind the Flick range of gesture sensing boards, a certain phrase kept coming up: "keyboard and mouse." These venerable input devices have been around longer than many of us have been alive, and it's hard to deny that they get the job done. But the Flick team are part of a larger movement that wants to expand how we control our computing devices, in their case through gestures. "We’re essentially adding another way that you can control your Raspberry Pi or single-bo ...
Hi,   So this will be my first blog,  I just wanted to share a project I created for the Exploring Cellular IoT with the Hologram Nova and RaspberryPi contest on Hackster.io site.  The project was suppose to be a Trail camera with a cellular connection, but I would be more useful in a setting where it could be plugged in instead of using a battery. Something like a camp with power but no internet. When I proposed the idea, I didn't realize the raspberry pi zero didn't have any ...
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 ...

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