Collaborate Disseminate
Being a bit shocked at the prices of articulating arm microscope mounts, not to mention the shipping fees to the UK, [CapTec] realized they looked substantially similar to your typical …read more Continue reading Repurpose a Monitor Arm as Microscope Mount
[Jan Rychter] really likes his multiple HP-25C calculators, but the original battery pack design is crude and outdated. No problem — he whips up a replacement using Fusion 360 to …read more Continue reading Vintage HP-25 Calculator Gets Wireless Charging
If you want to play the original Spacewar! but you don’t have a PDP-1 nearby, then you’re in luck — assuming you have a PDP-11, that is. [Mattis Lind] has …read more Continue reading Spacewar! on PDP-11 Restoration
Love ’em or hate ’em, sometimes your embedded project needs a menu system. Rather than reimplement things each and every time, [sgall17a] put together a simple GUI menu system in …read more Continue reading Simple GUI Menus in Micropython
Over at Tiny Transistor labs, [Robo] took it upon himself to reproduce the classic 555 timer in discrete transistor form. For bonus points, he also managed to put it in …read more Continue reading Smallest Discrete Transistor 555 Timer
Swiss artist and designer [Jürg Lehni] was commissioned to create an artwork called Four Transitions which has been installed in the HeK (House of electronics Arts) in Basel. This piece visually …read more Continue reading Artwork Spans Fifty Years of Display Technology
[Akaki Kuumeri] had an old Wacom Intuos digitizing graphics tablet collecting dust, and figured out how to non-destructively transform it into a drawing tablet. He was inspired by an old …read more Continue reading Improved Graphics-to-Drawing Tablet Conversion
With some free time on his hands waiting for delayed parts to arrive, [Rik] set out to reverse engineer an old VME system he had acquired. VMEbus computers are based …read more Continue reading VME Reverse Engineering
High school computer engineering teacher [Andy Birch] kept losing track of I/O pins on his home-built synth, so he made a custom plug and play addressable MUX system to solve …read more Continue reading Synth Gains Plug and Play Analog MUX
Last Fall [Kevin] wanted to program some newer TPI-only AVRs using an old USBasp he had kicking around his lab. Finding an “odd famine of information” and “forums filled with incorrect …read more Continue reading Teaching a USBasp Programmer to Speak TPI