The gearbox is composed of gears, transmission shafts, bearings and box structures. Because the box structure is sealed, it is generally not easy to fail. The failure mainly occurs in the gears, transmission shafts and bearings. Generally, the failure...
Discovered at ebay, I purchased from an auction a nice aluminum 46-teeth chainwheel ('Kettler' brand). It 'snuggles' to the frame, the chainline looks well and it is in proper condition. Kettler chainwheel and crank arms, mounted Also, I have a pair...
I engaged in some serious whiteboard tangenting last night on the subject of artificial muscles. Keep reading if you're bored as hell; this is a long-winded post.I also took a bunch of close-up pictures, most of which ended up pretty blurry. My D40 never...
CoreXY Mechanism CoreXY Mechanism CoreXY Kinematics The corexy parallel kinematics mean's that the motors are the largest source of inertia within the system, and are stationary. This means rapid acceleration because the two stepper motors provide a...
CoreXY Belt Path CoreXY Diagram Belt Path Crossing While the SolidCore 3D Printer design had a lot of influence from the Railcore's design, which also has the "x" shape belt path that some say “serves no purpose.” True, but you see the...
2019 Bigger Projects#Club MatrixArray of 10 8x8 WS2812B LED matrices, controlled by a Raspberry PI through a DMA library. Images can be send as UDP packages to the matrix, if you happen to know the IP address.SX-64 inspired Raspberry PI caseInspired...
Fun with Soviet era Vacuum tubes, originally used in missile guidance systems. Banging the bits and bytes of the IoT age.Upstairs at EricsStarring Raspberry PI / Node MCU / MAX 6921 / IV-18 / Python3 multiprocessing and Queuing / MQTT / I2COne of the...
Part Two > Something I've been meaning to do for a while, creating a new version of my lighting controller to work with my home server and cut out external dependencies. v1 - ATMEGA328P (Uno) + Ethernet + Android/TaskerWorks, but fairly unreliable...
As part of the recurring competition on hackaday I managed to score some winnings!Sadly Mr Postman had other ideas than delivering my items when arrived so that's why I'm late to the game...This is my first Teensy board so after a quick Google-session...
During a visit to the ham swap meet at Northrop Grumman in Redondo Beach. It's always on the last Saturday of the month, and until now I haven't been in LA on the last Saturday of the month. Because I went to Sparklecon last week, I was also able...
One of the popular chip formats in the 70's and 80's were the ubiquitous EPROMs (Electrically Programmable Read Only Memories). They had very good memory density at the time and were accessible technology for hackers and OEMs alike. They had the advantage...
The General Process of Laser EngravingLaser engraving is a popular method of customization that uses laser technology to etch images or text onto various materials. This process has been around for quite some time now and is used in everything from jewelry...
By: Muaz Shash, Drivierless Team Member, University of Toronto Formula Racing Team With the start of the 2023 Formula Student season, the University of Toronto Formula Racing Team (UTFR) has established a new department: Driverless. This team is responsible...
Ready to bring your crafting ideas to life with Cricut? If you have been looking for the top rated Cricut machine that is beloved worldwide for its exceptional crafting capabilities, look no further. Welcome to my ultimate guide, where I will not only...
Originally published in 2012. I picked up a set of 10 Sure Electronics 8x8 red/green LED matrices for about $13 on eBay. I figured I could build an Arduino-powered 24x24 LED sign to show messages, run Conway’s Game of Life, and play simple games, and...