Roll Your Own Trackball Mouse From hackaday.com 4 hours ago in Blogs What do you do when you’re into trackball mice, but nothing out there is affordable or meets all your murine needs? You build one, of course. And if you’re like [Dangerously Explosive], who has a bunch of old optical mice...
ROPS Will Be The Board x86 Robot Builders Are Waiting For From hackaday.com 7 hours ago in Blogs If your robot has outgrown a Raspberry Pi and only the raw computing power of an x86 motherboard will suffice, you are likely to encounter a problem with its interfaces. The days of ISA cards are long gone, and a...
Arduino and Pidgin C++ From hackaday.com 10 hours ago in Blogs What do you program the Arduino in? C? Actually, the Arduino’s byzantine build processes uses C++. All the features you get from the normal libraries are actually C++ classes. The problem is many people write C and ignore the C++...
Digitizing Domesday Disks From hackaday.com 13 hours ago in Blogs After the Norman invasion of England, William the Conqueror ordered a great reckoning of all the lands and assets owned. Tax assessors went out into the country, counted sheep and chickens, and compiled everything into one great tome. This was...
A MIDI Sequencer To Be Proud Of From hackaday.com 16 hours ago in Blogs MIDI sequencers are surprisingly expensive, making them an excellent target for [RH Electronics] who has created a sixteen-step device. It supports up to eight playable parts per step, which can be either MIDI or drum triggers. The case and front...
Sister Mary Kenneth Keller #INWED18 #RaisingTheBar @WES1919 From blog.adafruit.com 16 hours ago in PlatformsStores Today we celebrate Sister Mary Kenneth Keller, the First Woman PhD in Computer Science who was also a Nun. Mental Floss has a story on her here: Sister Mary Kenneth Keller, born in Ohio in 1914, entered the Sisters of...
Maela Baker #INWED18 #RaisingTheBar @WES1919 From blog.adafruit.com 17 hours ago in PlatformsStores via Built Environment Hub Maela is a Civil Engineer at Pick Everard, a growing multi-disciplinary consultancy in the property and construction sector with over 450 employees across 11 UK offices. After being selected to attend access summer schools in Finland...
Tail it is a Family of WiFi & Cellular GPS Trackers for Things, Pets, and Bicycles (Crowdfunding) From www.cnx-software.com 18 hours ago in News We’ve previously written about Ping, a tiny Cellular GPS tracker that promised to last 3 months on a charge. The raising money part of the crowdfunding campaign itself was successfully with...
This Device Pulls Water Out of Desert Air From blog.adafruit.com 18 hours ago in PlatformsStores Berkeley researches are developing a system to extract atmospheric water from extremely arid climates. The device uses solar energy and relies on metal-organic frameworks. Via Smithsonian: The key to the water harvester is a new class of materials called metal-organic...
#SheCanEngineer Celebrates Women in Engineering | #INWED18 #RaisingTheBar @WES1919 From blog.adafruit.com 18 hours ago in PlatformsStores Instagram account SheCanEngineer profiles women in engineering – from historical profiles to contemporary civil and mechanical engineers to students studying to be future engineers. Their profiles are focused on British-based members of ICE, IChemE, IMechE, and other organizations. Here are...
The Atlantic’s Compiled Photos of Ramadan 2018 #celebratephotography From blog.adafruit.com 19 hours ago in PlatformsStores From The Atlantic: This year’s Ramadan, the Islamic month of fasting and prayer, will come to a close with Eid al-Fitr, the festival of the breaking of the fast, on June 14. For the past month, Muslims around the world...
A Cleverly Concealed Magnetic Loop Antenna From hackaday.com 19 hours ago in Blogs We’re sure all radio amateurs must have encountered the problem faced by [Alexandre Grimberg PY1AHD] frequently enough that they nod their heads sagely. There you are, relaxing in the sun on the lounger next to the crystal-blue pool, and you fancy...
Marlyn Meltzer #INWED18 #RaisingProfiles @WES1919 From blog.adafruit.com 19 hours ago in PlatformsStores Celebrating Marlyn Wescoff Meltzer, one of the six original programmers of ENIAC, the first general-purpose electronic digital computer. From the Engineering and Technology Wiki: Marlyn Meltzer was born as Marlyn Wescoff. After graduating from Temple University in 1942, she was hired by the...
The Holographic Classroom From blog.adafruit.com 20 hours ago in PlatformsStores via Game Design Aspect In Ernest Cline’s bestselling novel, Ready Player One, the main character Wade Watts describes his online lessons on the virtual planet Ludus. Unlike the online courses of today, which mostly consist of videos, forums, and multiple...
LEGO Hasselblad 503CX #celebratephotography From blog.adafruit.com 20 hours ago in PlatformsStores From LEGO Ideas: This is a Hasselblad 503CX Film Camera. I Lego-designed this camera because I am also a photographer and this camera has been one of my favorites. I love the manual mechanisms of this particular camera very much....
Valerie Davidson: Blazing a trail for female engineers #INWED18 #RaisingTheBar @WES1919 From blog.adafruit.com 20 hours ago in PlatformsStores Valerie Davidson is blazing a trail for female engineers. She is the founder of the Ontario Network of Women in Engineering and a professor for 25 years, via McMasterUniversity As a student, a researcher and an academic, Valerie Davidson has...
The Beauty of China’s Bicycle Graveyards #CelebratePhotography From blog.adafruit.com 21 hours ago in PlatformsStores Via FiT A series of photos by The Guardian that shows an aerial view of the rental bikes removed by authorities in Chinese cities such as Beijing, Nanjing, Wuhan and Shanghai and the patterns they create. These shared bikes, which...
Present-Day Paper Production From blog.adafruit.com 21 hours ago in PlatformsStores via National Geographic Gangolf Ulbricht is one of the last papermakers in Europe that is still making his craft by hand. He uses wood-free fibers like cotton, flax, hemp, rags, and Manila hemp as the foundation for his creations. In...
International Women in Engineering Day!! #INWED18 #RaisingTheBar @WES1919 From blog.adafruit.com 21 hours ago in PlatformsStores Today is International Women in Engineering Day and we will be celebrating in the blog all day long! The theme this year is ‘Raising the Bar.’ Every hour we will have new post featuring an important or influential woman in...
TerraDome Gives Plants And Dinosaurs A New Home From hackaday.com 22 hours ago in Blogs Housing exotic plants or animals offer a great opportunity to get into the world of electronic automation. When temperature, light, and humidity ranges are crucial, sensors are your best friend. And if woodworking and other types of crafts are your...
Flash Facts #SaturdayMorningCartoons From blog.adafruit.com 22 hours ago in PlatformsStores via DC Multiverse Historian “For a long time, every DC comic had something like this, a little half- or full-page filler like “Flash Facts” or “Metal Facts and Fancies”, possibly so that they could claim some portion of their content...
Your Own Sinclair Scientific Calculator From hackaday.com 1 day ago in Blogs We’ve talked about the Sinclair scientific calculator before many times, and for some of us it was our first scientific calculator. If you can’t find yours or you never had one, now you can build your own using — what...
Assistive Tech web interface for target practice at gun range with Raspberry Pi, Pi Wing (FEATHER adapter and CRICKIT) @at_makers @raspberry_pi @adafruit #adafruit From blog.adafruit.com 1 day ago in PlatformsStores Assistive Tech web interface for target practice at gun range with Raspberry Pi, Pi Wing (FEATHER adapter and CRICKIT) …. (video). As seen on the show and tell! This quick video shows how we automated a pistol for Mike Phillips...
The History and Physics of Triode Vacuum Tubes From hackaday.com 1 day ago in Blogs The triode vacuum tube might be nearly obsolete today, but it was a technology critical to making radio practical over 100 years ago. [Kathy] has put together a video that tells the story and explains the physics of the device....
I2C Design Mathematics: Capacitance and Resistance From www.allaboutcircuits.com 1 day ago in BlogsNews This article looks at the mathematical calculations used to size the pull-up resistors and determine the maximum length of circuit traces.
Supreme Court: Police Need Warrant for Mobile Location Data From krebsonsecurity.com 1 day ago in BlogsSecurity The U.S. Supreme Court today ruled that the government needs to obtain a court-ordered warrant to gather location data on mobile device users. The decision is a major development for privacy rights, but experts say it may have limited bearing...
Linear Track Makes Plasma Cuts Neat And Simple From hackaday.com 1 day ago in Blogs No microcontroller, no display, and not even an LED in sight. That’s how [Made in Poland] decided to roll with this motorized linear plasma cutter, and despite the simplicity it really gets the job done when there’s metal to be cut....
LIVE! Creative Robotics chat with Ladyada! @adafruit @hackaday @hackadayio From blog.adafruit.com 1 day ago in PlatformsStores Creative Robotics chat with Ladyada! (video) at Hackaday!https://hackaday.io/event/159006-creative-and-interactive-robotics-chathttps://hackaday.io/messages/room/272719
Subscribe to the Adafruit Youtube channel! #Youtube #AdafruitLearnSystem From blog.adafruit.com 1 day ago in PlatformsStores Are you subscribed to the Adafruit Youtube channel? If you’re not already subscribed, click here! http://adafru.it/subscribe . It’s a free and easy way to keep up with our newest episodes. Here’s some of what we’re up to. Electronics Show and...