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Author Archives: Dave Rowntree

Teardown Of An Aircraft Video Symbol Generator

Posted on June 19, 2023 by Dave Rowntree

[Adrian Smith] recently scored an avionics module taken from a British Aerospace 146 airliner and ripped it open for our viewing pleasure. This particular aircraft was designed in the early …read more Continue reading Teardown Of An Aircraft Video Symbol Generator→

Posted in avionics, British Airways, Intel 8086, radiation hardening, teardown, video, zilog z180

Marvin Minsky’s 2500 Logo Computer

Posted on June 18, 2023 by Dave Rowntree

[Prof. Marvin Minsky] is a very well-known figure in the field of computing, having co-founded the MIT AI lab, published extensively on AI and computational intelligence, and, let’s not forget, …read more Continue reading Marvin Minsky’s 2500 Logo Computer→

Posted in computer hacks

A Simple Guide To Bit Banged I2C On The 6502

Posted on June 18, 2023 by Dave Rowntree

We covered [Anders Nielsen]’s 65duino project a short while ago, and now he’s back with an update video showing some more details of bit-banging I2C using plain old 6502 assembly …read more Continue reading A Simple Guide To Bit Banged I2C On The 6502→

Posted in 6502, 6532, bit banging, computer hacks, i2c, OLED SSD1306, riot, software hacks

Learning x86_64 Assembly By Building A GUI From Scratch

Posted on June 18, 2023 by Dave Rowntree

Some professional coders are absolutely adamant that learning to program in assembly language in these modern times is simply a waste of time, and this post is not for them. …read more Continue reading Learning x86_64 Assembly By Building A GUI From Scratch→

Posted in assembly, gui, software hacks, X windows, x11, x86_64

Protect Vintage Gear with Easy Capacitor Reforming

Posted on June 5, 2023 by Dave Rowntree

Having acquired some piece of old electronic equipment, be it a computer, radio, or some test gear, the temptation is there to plug it in as soon as you’ve lugged …read more Continue reading Protect Vintage Gear with Easy Capacitor Reforming→

Posted in capacitor, classic hacks, electrolytic capacitor, reforming, repair hacks, voltage rating

An Almost Invisible Desktop

Posted on June 4, 2023 by Dave Rowntree

When you’re putting together a computer workstation, what would you say is the cleanest setup? Wireless mouse and keyboard? Super-discrete cable management? How about no visible keeb, no visible mouse, …read more Continue reading An Almost Invisible Desktop→

Posted in computer hacks, floating display, hid, laptop, Machine Learning | Tagged Desktop

SMA Connector Footprint Design for Open Source RF Projects

Posted on June 2, 2023 by Dave Rowntree

When you first start out in the PCB layout game and know just enough to be dangerous, you simply plop down a connector, run a trace or two, and call …read more Continue reading SMA Connector Footprint Design for Open Source RF Projects→

Posted in characteristic impedance, Design, Hardware, pcb, qucs, RF, S-params, simulation, sma, stack up

Watch Out SiC, Diamond Power Semiconductors Are Coming For You!

Posted on June 2, 2023 by Dave Rowntree

The vast majority of semiconductors products we use every day are primarily constructed on a silicon process, using wafers of pure silicon. But whilst the economics are known, and processes …read more Continue reading Watch Out SiC, Diamond Power Semiconductors Are Coming For You!→

Posted in Diamfab, diamond, GaN, power electronics, Science, semiconductor, SiC

Hackaday Prize 2023: Building a Relay ALU

Posted on June 1, 2023 by Dave Rowntree

There’s much truth in the advice that, to truly understand something, you need to build it yourself from the ground up. That’s the idea behind [Christian]’s entry for the Re-engineering …read more Continue reading Hackaday Prize 2023: Building a Relay ALU→

Posted in 2023 Hackaday Prize, adder, ALU, arduino, computer hacks, logic, relay, The Hackaday Prize | Tagged Computer

More Ideas For Setting Up An Electronics Workbench

Posted on May 31, 2023 by Dave Rowntree

Setting up an electronics work area is a highly personal and situational affair, with many interesting problems to be solved, and for many of us, significant budget constraints. The requirements …read more Continue reading More Ideas For Setting Up An Electronics Workbench→

Posted in bench equipment, Electronics, Hardware, organisation, solder fume extractor, tool hacks, workarea

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