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Raspberry Pi

391 posts
I'm building a SCPI programmable Lab switch with a Raspberry Pi and PiFace Digital. Communication is over TCP/IP. In this post: the LabVIEW drivers   What is this Lab Switch?  This is a lab instrument. A switch that can be controlled via commands, over the network. The switch hardware is a combination of two off-the-shelf components: a Raspberry Pi and a PiFace Digital. All inputs and outputs of the PiFace Digital are accessable via commands. You can read the inputs and set th ...
I'm building a SCPI electronics lab instrument for Linux. This post builds up on part 4: TCP/IP SCPI and Instrument Service. I've now completed both read and write functionality.   What Was Missing from post 4?  The previous post had both Instrument and SCPI services working together but didn't support reading inputs. That's completed now. Both the SCPI Service and the Instrument Service can handle reads from the PiFace Digital inputs.   Here's the read command:    ...
This very short blog post briefly discusses a simple project that allows for toy robot arms to be controlled using gestures. It had a serious purpose; it was intended to show latency.   However, it was also a bit of fun. There is immense pleasure in destroying Lego structures with a mere wave of the hand! There isn't a lot of documentation for this project here - this blog post is just to provide some ideas. To be honest it was quite straightforward, and components of it are documented in ...
Why secure your DNS? What do you require? Setup RaspberryPi Setting up Pi-Hole Configuring block list in your Pi-Hole Upcoming... References Why secure your DNS?  Since the beginning of  Internet, DNS has remained the primary service to resolve well known web service names into IP addresses. Overtime it has evolved into being faster and more reliable, however the security aspect of it hasn't changed much.   It is one of the critical services that ens ...
Do you have a Raspberry Pi project that is running at home while you are at work? Imagine being able to interactively adjust home temperature or take pictures of your garage from work?   If these possibilities excite you, try out the new Raspberry Pi in MATLAB Online! You can connect to your Raspberry Pi using MATLAB with just a browser!   Here are the links to get your started - Raspberry Pi Set Up MATLAB Online   Have fun! Madhu   PS - MATLAB online is a produc ...
tinkerloon

The Plytop Shell

Posted by tinkerloon Apr 11, 2018
Hello, I've been a long time watcher of Ben's show. I thought this community might have interest in the project I've been working on for the last 2 years.     It's a laser cut 'laptop' shell that has room for a Raspberry Pi and power bank.The designs are open source and available on my site at https://www.tinkerloon.com/projects/plytop.   There's a couple of variants of the top, one that's just an empty top, so you can screw any LCD monstrosity you can find to it, and one espe ...
Unless you've been under a rock for the past 24 hours you will have noticed the new Raspberry Pi 3 Model B+ has arrived. We've had the privilege of having a couple of pre-production samples to test for the past month or so and this post summarises our first impressions backed by testing with the sample units. In a nutshell, we think it's a real winner! A faster core, better heat profile, wireless and wired network speeds up to 3 times faster and the real kicker, Power Over Ethernet! Read on to f ...
After watching Ben Heck's two episodes on automating his workshop with Bob Badley (Episodes 325 & 326) I was inspired into having a go at it myself. But what should i connect it up too?   Someone ive been following online in the subject of machine learning and computer vision, Dr Adrian Rosebrock at PyImageSearch, recently did a blog on creating a scalable Keras + deep learning REST API   Ive been looking for some way to improve classification speed on my robot Zed. You may have ...
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 ...

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