Beowulf Clusters, Node Visualisation, and More With Pi VizuWall pi@Raspberry_Pi #PiDay #RaspberryPi

via RaspberryPi.orgThe project is a parallel computing system built according to the Beowulf cluster architecture, the same as most of the world’s largest and fastest supercomputers. It runs a system called MPI (Message Passing Interface) that breaks a program up into smaller pieces that can be sent over the network to other nodes for execution. Beowulf clusters and MPI were invented in 1994 by a pair of NASA contractors, and... Read more

Michael Ross Moves Game Cards with a Raspberry Pi #piday #raspberrypi @Raspberry_Pi

We’d love to be dealt a hand of cards by this lil’ bot from Michael Ross on vimeo!In this video I use a Raspberry Pi, servos and a vacuum pump to pick up game cards and move them.See moreEach Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories... Read more

Your Own Satellite Ground Station: SatNOGS With a Raspberry Pi 3B+ @Raspberry_Pi #PiDay #RaspberryPi

via RaspberryPi.orgSatNOGS is an open-source project that has numerous designs for satellite ground stations, but whichever design you pick, you can join the network that links them all via the web. A station owner can use the website to browse for future passes of a satellite, and then click a button to schedule for their station to turn on, tune to frequency, and record the pass, sometimes even rotating the... Read more

Simple Ultrasound Machine Shows The Skeleton Lurking Inside Us All

That first glimpse of a child in the womb as a black and white image on a screen is a thrilling moment for any parent-to-be, made possible by several hundred thousand dollars worth of precision medical instrumentation. This ultrasound machine cobbled together from eBay parts and modules is not that machine by a long shot, but it’s still a very cool project that actually gives a peek inside the skin.... Read more

Teardown: The Guts of a Digital Sentry

I have a home alarm system that has me wondering if I can make it better with my maker Kung-fu. Recently we had to replace our system, so I took the time to dissect the main controller, the remote sensors, and all the bits that make a home security system work. To be precise, the subject of today’s interrogation is a Zicom brand Home Alarm that was quite famous a... Read more

Nebra Anybeam turns your Raspberry Pi into a pocket home cinema projector

TVs are available to buy in truly huge sizes these days, and with 4K (and upwards) resolution, movies and TV shows really come to life. But there’s something even more magical about watching a film projected onto a screen or a wall. With the right setup, it can be like having a cinema in your home. You don’t necessarily need to spend a fortune on a projector though. Nebra Anybeam... Read more

This $2,799 emulator is the fanciest retro game console around

Retro games keep resurfacing in all types of emulators, but Swedish artist and craftsman Love Hultén has created one that goes the extra mile if you really want a full, nostalgia-fueled experience. His newest design, called Yesterday Vision, is a handmade midcentury-inspired monitor enclosure that can play games from classic systems. The Yesterday Vision contains a 19-inch 4:3 monitor that’s designed to have the curvature distortion of an old CRT... Read more

Auto Closure Awning

This is my final version of a project that simulate how we could make simple and cheep awning. As brain of this project is used Arduino Uno. Sensors and actuators used are photoresistors, PIR sensor, rain sensor, buzzer, LED, push button and two servo motors. This awning has both automated and man…By: kingin Read more