El Bruno

Tag: Raspberry PI

#Coding4Fun – #RaspberryPi LED Christmas Tree 🎄 sync with #MicrosoftTeams (1/N) Why? Why not !

Hi ! So I was preparing boxes with gadgets I have for our next house move, and I realized that I had a super cool Led based Christmas Tree, that can be used with a Raspberry Pi. The device can be programmed with Python, so I decided to go in my notes and I found — read more

Dec 17, 2020
#RaspberryPi – New OS allows #MicrosoftTeams in the device ! And a simple but amazing config for the onboard LED

Hi ! We have a new Raspberry Pi OS release – December 2020 (see references) and it adds tons of new features. The latest version upgrades Chromium, to a version that allow us to to: join teams calls ! I’m starting to think on have a custom Teams Kiosk just to join meetings, without using — read more

Dec 7, 2020
#RaspberryPi – Raspberry Pi 400,

Hi ! It seems that it was yesterday when I wrote about the amazing and new Raspberry Pi 4, and it was on February ! There was a lot of news since February, however the Raspberry 400 is a huge milestone. From a hardware view, is a faster device, that’s cool. However I really like — read more

Nov 3, 2020
#RaspberryPi – Raspberry Pi Imager, super cool imaging utility. Bonus: source code included !

Hi ! It’s time to setup a Raspberry Pi so my kid can learn a little Python with some local projects at home. And, it’s also time to test one super cool tool from the Raspberry Pi family: Raspberry Pi Imager, a new tool to image microSD cards with Raspbian. Until today, I mostly used — read more

Mar 27, 2020
#RaspberryPi – New Raspbian image for 2020-Feb-05

Hi! I remember last time I download and updated my Raspberry Pi with the latest Raspbian image, because it was the week before the Caribbean Developers Conference, and I deal with a couple of unexpected issues with the new version. After the Regional Innovation Summit in Seattle, one of the draft posts that I have — read more

Feb 8, 2020
#RaspberryPi – Install Virtual Environments

Hi! Virtual Environments are a great way to isolate our dev tests, and after been using this in Windows also, work with them in the Raspberry Pi makes a lot of sense. I’ll leave here the necessary steps to do this, however the full credit is based on some posts from Adrian Rosebrock and his — read more

Jan 29, 2020
#RaspberryPi – Performance differences in #FaceRecognition using #OpenVino (code with @code!)

Hi ! I’ve been looking to use the amazing Intel Neural Stick 2 for a while, and one of the 1st ideas that I have was to check how fast my Raspberry Pi 4 can run using this device. The Intel team released a nice step by step process installation for Raspberry Pi. And it — read more

Jan 28, 2020
#RaspberryPi – How to solve the SSH warning: WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

Hi ! When you test and play around with your Raspberry Pi, you may need to format again your Raspbian SD Card, and then start everything from scratch. This is a trivial process, and is usual to setup the device to connect automatically to a Wifi network and also enable SSH (I wrote about this, — read more

Jan 27, 2020
#RaspberryPi – How to install #docker (Updated 2020-01-24)

Hi I wrote a couple of times about this, however this is the updated version on how to install docker in a Raspberry Pi. Updated to Jan 24 2020. The information is available from the Official Docker Documentation And then, a simple check for the docker version with the command And that’s it ! Docker — read more

Jan 24, 2020
#RaspberryPi – Install OpenCV

Hi! After some posts about how to setup a Raspberry Pi, today I’ll share the steps I follow to install OpenCV. Disclaimer: if you are looking for a detailed step by step on how to install or even build OpenCV in a Raspberry Pi, I strongly recommend to read the post “Install OpenCV on Raspberry — read more

Jan 23, 2020
#RaspberryPi – setup without monitor: enable VNC

Hi! In my previous post I shared a series of steps to: Configure and SD Card with Raspbian Automatically connect to a WiFi network Enable SSH Expand the file system Rename the device Update the default Raspbian software In this post I’ll share the necessary steps to enable the VNC service, so you can connect — read more

Jan 21, 2020
#RaspberryPi – 1st setup without monitor: auto connect to WiFi, enable SSH, rename, update and more! (deprecated)

Hi! Ok, let’s assume you did the tutorial and installed the latest raspbian image in an SD card. If you want to access and control remotely your device you may want to follow this steps. Configure Wireless connection In the SD Card, you need to create a file named [wpa_supplicant.conf] in the root of the — read more

Jan 20, 2020
#Ebook – Code the Classics, amazing book for programming games in #Python. From the #RaspberryPi library.

Hi! My son is a crack and he already passed the Scratch stage. He is part of an amazing Code Ninja programming program and he is asking for some new challenges. Last month, when I see the release of the Code the Classics – Volume 1 book, I get one for us. And it’s amazing. — read more

Jan 14, 2020
#RaspberryPi – Where is my Add/Remove programs? let’s use Synaptic

Hi! When I wrote about the latest version of Visual Studio Code working on the Raspberry Pi, I realize that I used a couple of commands to find an installed application. The following command will list all the installed apps Which is great, but hard to read in bash mode. So that’s why I use — read more

Jan 8, 2020
#RaspberryPi – Visual Studio Code blank screen is fixed on version 1.42. Thanks @headmelted! @code

Hi! When I wrote about how to install Visual Studio Code on a Raspberry Pi, there was an error on the app running on the device: the tool opened and display a black window. We needed to manually go back to version 1.29 to avoid this problem. And we also forgot to apply any updates, — read more

Jan 7, 2020
#RaspberryPi – Ice Tower: The best cooler for your device! From 70C to <40C in a 60 minutes process running at 100% in all 4 cores

Hi! The Raspberry Pi 4 is an amazing device, and if you have been tracking the different usage scenarios for the device, you probably noticed that heat is an issue. I’ve using some Aluminum Heatsink, however still in some heavy scenarios the device temperature can be up to 70C or more. I found out that — read more

Jan 6, 2020
#RaspberryPi – Microsoft Teams in RPi 4? Mmm, not yet, but it’s an interesting learning journey to start the New Year 2020

Hi! A couple of weeks ago, Microsoft released a preview version of Microsoft Teams for Linux (see references). Since that day, I was hoping to have a chance to play around with this version, mostly in a Raspberry Pi. Those days I also had this conversation with my best half (who is a very smart — read more

Dec 31, 2019
#Labs – Microsoft Teams available on #linux, and this is the right way to install it

Update: This post was written on 2019 Dec, so there was a lot of changes since them. Apologies if the links or screenshots are not like the ones you may find today Hi! I’ve using Microsoft Teams in Windows 10 and MacOS and the experience is amazing. When I was trying to work only in — read more

Dec 11, 2019
#AI – Getting started with #ComputerVision, #DeepLearning, and #OpenCV by Adrian Rosebrock @pyimagesearch

Hi! When you start to research the amazing world of Computer Vision, you find that there are plenty of courses, tutorials, videos and more resources. Something is kind of “too much”, and it’s not easy to choose where to start. That’s why, when you arrive to one of the Adrian Rosebrock tutorials or articles, they’ll — read more

Oct 18, 2019
#Event – Materials and Resources used during my #CustomVision and #AI session at #CDC2019

Hi! Drafting these in the airplane, and also drafting a bigger post about the full and amazing experience at the Caribbean Developer Conference. So, I’ll start with the usual slides and materials, and also use this post later as reference for the full experience Slides Code https://github.com/elbruno/events/tree/master/2019%2010%2004%20CDC Links Custom Vision, https://www.customvision.ai/ Kaggle, https://www.kaggle.com/ State Farm — read more

Oct 9, 2019