Because it seemed like a good idea at the time. The Apple II line of computers had an amazing run, from 1977 to 1993. In
Mockingboard 4c+
Because Interrupts Are Hard. The Apple II was (well, still is) a computer devoid of interrupts. I think most modern software engineers probably under-appreciate the
Johnny – CPU Board Repair
The cost of procrastination. If you’re a regular reader of this blog, one thing you know is that I’ve been having chronic problems with
Veronica – F18A Font
Shuffling bits for fun and profit(?) Last time, we got the F18A physically repaired and running off Veronica’s power supply. Things seemed to be
Veronica – F18A Baby Steps
One step back, two steps forward. If you’ve been following this Put-An-F18A-In-Veronica drama, you know that we had some very light early successes, followed
Veronica – Transceiver Strikes Back
THIS IS FINE. After the incredible success of our last bit of work on Veronica’s F18A, I was very excited to get started on
Veronica – Transceiver Repair
Do not go gentle into that good night. Just when things were starting to go really well on the Put An F18A In Veronica
Elliptical – Rear Subframe Replacement
Testing the limits of my desire to repair. What’s this? Is that my elliptical machine on the operating table again? How can this be?
Veronica – F18A Control Signals
It was the best of times, it was the worst of times. With our recent success in remembering how to do address decoding, it was
Veronica – F18A Address Decoding
Bridging The Gap As you probably know if you’re the kind of person who follows this blog, the 6502 CPU (the 1970s chip around
Swiveling Tripod Adapter
Making improvements to a tool we built A while back, I built a couple of smartphone mounts for tripods, based on a design that
Veronica – GPU Strikes Back
Time for our girl to learn some new tricks. If you were to ask me what questions I get asked the most in my
Johnny – More Button Repairs
Pinball machines have a lot of switches, and they fail a lot. What’s this? Another Johnny repair article so soon? Well, like many complex
Administrative Note – New Donation Options!
Hey everyone! Sometimes I get requests from folks who would like to support the blog and YouTube channel, but prefer not to use Patreon. I’ve
Administrative Note – Patreon Goal!
Hey everyone! Just a quick note to say that I’ve created my first Patreon Goal. As of this writing, I’m very close to reaching 100
Hydraulic Cart Hinge
Increasing the unexpected usefulness of an odd tool. Patrons! If you’re at the $5 level or above, you’ll be seeing a three-part video series
Johnny – Start Switch Repair
Sometimes a simple repair gets all kinds of weird. A couple of months ago, a good friend was over and wanted to play some
Antique Lock Repair
Bringing a little mechanical buddy back to life. This article has an accompanying four-part video series in the Patreon feed. Sign up at the
Mod Collage Frame
Wherein we party like it’s 1969. A very good friend of mine has been having a rough time lately, and a couple of us
Shower Speaker Repair
Wherein we ensure I never have to hear my own thoughts. I’m a podcast junkie. That might be entirely literal, given that I can’t
Workbench Organizer
Wherein we shave yaks. This post has an exclusive companion video for Patrons. Sign up now to see it! It shows detailed construction steps
Vertical Mill – Power Feed
When a bolt-on kit…. isn’t. Anyone who has messed with cars knows that “bolt-on” kits generally involve almost as much custom fabrication as having
Universal Smartphone Mount
All your smartphone are belong to us. This post has an exclusive companion video, engineering drawings, and 3D model for Patrons. Sign up now
Administrative Note – New Patron Rewards!
Wherein I give out more cool stuff to the people who make this all happen. Have you been on the fence about supporting me
Cardio Rollers
Wherein we may solve this problem once and for all. My elliptical machine has been a regular feature here, starting with upgrading the power
Electric Steam Boiler – Electrical
Wrangling the angry pixies This project has an exclusive Patreon video about the internals of the electrical controller. Sign up now to see it!
Vintage Headset Conversion
Because everything is better with bluetooth. This article has two companion videos! There’s an overview on the Blondihacks YouTube channel, and an insider look at
Vertical Mill – Installation
Finally we can make flat things. The lathe is called the King of Machine Tools for very good reason. There’s arguably nothing you can’t
Electric Steam Boiler – Base
Wherein we are reminded why dead trees suck. This article has a companion video for Patrons! Sign up now to watch it! On the fence
Electric Steam Boiler – First Steam
Hey Readers! This post includes the first-ever companion video on the private Blondihacks YouTube channel. To see it, pledge any amount on Patreon.
Administrative Note – New Patron Rewards!
Hello loyal readers! After seven-or-so years of running this blog, I decided it’s long past time to start giving my Patreon patrons more than
Lathe – Oil Change
Everything needs a little love now and then. We’ve been pushing the lathe pretty hard lately, including turning some things that are definitely pushing
Electric Steam Boiler – Accessories
Wherein we get really good at sanding. Exciting times here in the Blondihacks boiler shop. As you may recall from last time, we got our
Electric Steam Boiler – Hydrotesting
First three rows will get wet. After a marathon of brazing, it’s finally time for the big moment- hydrostatic testing. A boiler’s raison d’être is to make
Electric Steam Boiler – Brazing
The heat is on. After months of making parts, we’ve finally reached the point where we can start assembling this boiler. Now we have some brazing
Electric Steam Boiler – Heads
Empowering the heads to do their jobs Last time we roll-formed some copper stock to form the heads, and that was pretty cool. We
Electric Steam Boiler – Rolling Heads
Getting around to making it round. A boiler head is the “end cap” of the pressure vessel. Real steam locomotive boilers are made by
Electric Steam Boiler – Steam Dome
Gathering steam for the coming work. Last time we made a bunch of straightforward plumbing fittings. We have more fittings to make, however, and
Electric Steam Boiler – Fittings
Bushings and ells and plugs, oh my! I used to think a boiler was a big metal shell that you pressurize. That’s a good
Renovation!
A whole new look and location for this old blog. I know, right? It’s crazy in here all of a sudden. Well, here’s the
Electric Steam Boiler – Legs
Supporting a big cylinder turns out to be pretty hard. With the boiler shell basically ready to work on, it was time to finally
State of the Blog
Big Data for a Little Blog Hello loyal Blondihacks readers! The results from the first ever Reader Survey are in. My apologies if you didn’t
Reader Survey!
Hey loyal Blondihacks readers! It’s hard to believe, but Blondihacks has been operating for almost seven years now. In all that time, I’ve never stopped
Electric Steam Boiler – Shell Preparation
Getting our boiler shell ready to work on. We demonstrated last time that D.E. Johnson’s old design for an automatic electric boiler should indeed work
Housekeeping Note
Hey loyal Blondihacks readers! Just a note that I’ve added a commenting policy to the site. I really appreciate everyone’s comments, and you folks that
Electric Steam Boiler – Proof of Concept
The pressure builds in this strange new endeavor. This new project will be a very interesting one indeed. I’ll be way outside my wheelhouse here,
Door Hatch Restoration
New Love For An Old Door. Well, we had some fun with all the steam shenanigans in the shop recently, but it’s time for
Wobbler Steam Engine – Fittings, Fit-up, and Firing!
Did we make a steam engine or a pretty pile of scrap? Time to find out. In the previous installments in this series, we
Wobbler Steam Engine – Frame and flywheel
Alliterating our way to success. So far our little Wobbler has a crankshaft, main bearing, piston, and cylinder. However, it’s currently a bucket of parts.
Patreon Update
Hello loyal Blondihacks readers! I recently posted my thoughts here about Patreon’s changes to their fee structure. In that, I counseled you to lower your pledges
Wobbler Steam Engine – Piston and Cylinder
Reciprocation and Salivation Last time, we made the crankshaft and main bearing. These are the elements that convert linear motion into rotational motion, so
Wobbler Steam Engine – Crank and Main Bearing
Building something cool that only machine tools can do. If you’ve been following along with my lathe series, then you now have sufficient skills
Elliptical Repair
The cracks are starting to show. My elliptical cardio machine has made so many appearances on this blog so far that it practically deserves
Lathe – PM1022V Review
Thoughts on the first nine months. It’s been nine months since the Precision Matthews PM1022V lathe was brought into my shop, so I’m starting to
Race Car Spoiler Control
When “compromise” just isn’t good enough. Race car aerodynamics are a very complex thing, but there are some easy wins that can be had
Furiosa’s Annex
Wherein the huge workbench is determined to be insufficiently huge. While it’s true that Furiosa’s Workbench is a beastly thing and should be plenty
Johnny – Three Repairs
A glove, a drop target, and a matrix, oh my! Pinball machines operate in a special realm where the normal laws of physics don’t
Fusion 360
The tradeoff of time spent learning tools. This article is ostensibly about a particular piece of software, and its relationship to 3D printing and machining.
Lathe – Brass & Aluminum Pen
New techniques, new tools, new materials, oh my! This project builds on all the previous lathe articles in this series in order to make something
Lathe – Scribing Tool
New materials and new techniques. Now that we’ve learned how to grind HSS tool bits, some really nice new avenues open up to us.
Lathe – Grinding tool bits
An easy method to get started. High Speed Steel is wonderful stuff. With all the talk these days about carbide insert tooling, and online
Lathe – Magic Tube
A second fun project to amaze your friends. We’re going to build on the basic skills from the steel ring project, such as tool setup,
Lathe – Steel Ring
An approachable first project on the lathe. Another post so soon? It’s true, Blondihacks posts never come this quickly in sequence. We average about
Lathe – Getting Started
From a dream to first chips If you’re interested in making things, and particularly metal things, you’re on a road that eventually leads to machine tools.
Furiosa’s Cat Feeder
The trick is to be smarter than the animal with a brain the size of a walnut “This will be great,” I thought to
Furiosa’s Workbench
For when “incredibly strong” just isn’t good enough. A while back, we did a fun little welding project here on on the blog that I have
Whiskey Bar
A simple hack for containing feline enthusiasm A “Whiskey Bar” could be described as a thing that contains whiskey. That applies equally well to
Bike Stool
For all your bicycle-related scooting needs. I was recently asked by a cyclist if it was possible to build a rolling stool that used
Metal Bandsaw
Another project tool followed me home. If you do a lot of metalworking, you very quickly get tired of making cuts. Your choices are,
Digital Archeology, Part II
Ghosts of the past, I/O errors, and big dreams. A while back I did a Part I on digging through the old pile of
Drill Press 101
So you wanna buy a drill press… If you’re at all interested in machine tools, a drill press is a really great place to
Clip Show
So many old hacks. Where are they now? Blondihacks has been running for seven years now, and it’s been quite a ride. I have many,
Whiskey Table
Sometimes, you just need a place to set down your adult beverage. My recent metalworking posts have gone over well, so I thought I’d
Garage Door Range Fail
Not everything you read on the internet is real. I think the hacking community online has a bit of a File Drawer Problem. This is a
Steel Birdhouse
Or Possibly An Artisan Solar Bird Oven Every so often I get the urge to make something ridiculous. During a conversation with a regionally
Veronica Down!
For the first time ever, our girl didn’t show up for work. Veronica has been making the rounds of makerspaces, conferences, etc lately. She
Mailbag!
Readers send me stuff. Here’s a first for Blondihacks- reader mail! I’ve been doing this blog for many years, and have received a lot
Floppy Emu
A new entry into the Apple II solid state scene. The Apple II retrocomputing scene has some excellent solid state storage options already, including
Apple IIc Plus Accelerator Update
But wait, there’s more. Hey everyone! I wanted to say, “thank you” to all my Patreon patrons. You are the ones who make this blog
Apple IIc Plus Accelerator Control
For once, wishing a computer was slower. A little while ago, I went on a semi-epic (sempic?) quest to fix the beep in my
Digital Archeology, Part I
Digging up treasures in mom’s basement Over the holidays, I took the rare opportunity to dig through the stockpile of childhood belongings in my
Apple IIc Plus – Fixing the Beep
Fixing 30yo ROM bugs… for real this time. You may recall way back when I started my Apple II ROM Tool project, that I had
Apple II ROM Dumper – Part 2
Attempting to close the loop on my 30yo ROM hacking efforts. Last time, we got the Apple II ROM Dumper to the point where it
Apple II ROM Dumper
A side quest to explore old code. Something I’ve been wanting to do ever since acquiring my Apple IIc Plus at KansasFest is to dig into
TQFP-44 Breakout
Getting access to a better world. I have a project coming up that needs a lot of I/O and USB support. I could do
Housekeeping Note
Now with 100% more Twitter Hey Blondihacks readers! It’s been a very busy summer here in Blondihacks labs. I wanted to drop everyone a quick
Elliptifeet
Getting a cardio machine back on its feet. Count yourselves lucky that I got the worst joke of this entire post out of the way
Apple II Gamepad
Wrapping up the prototype for retrogaming on the go. A while back I started working on a gamepad for Apple II-series computers. It’s now
PrintrBot Metal Plus – Heated Bed
Stand back- I’m going to try SCIENCE! My PrintrBot has been chugging merrily away for me, and while it works, the preparation of the
PrintrBot Metal Plus – Assembly
Delicious, delicious crow. Yep, that’s right. Despite all my preaching in this blog about how 3D printers are overrated and not ready for primetime and
Apple II Gamepad Prototype
Taking classic gaming on the road. Teddy Top has been proceeding nicely, and my IIc Plus is getting increasingly portable. However, there’s one key
Teddy Top – Flash Storage
Data on the go to go with my screen on the go. With the basic Teddy Top now up and running with a nice
Teddy Top – First Pass
This idea may yet see the light of day. A while back, I had this idea to create a thing that would turn an
First Toothbrushversary
How far we’ve come from where we were. It’s an auspicious occasion here at Blondihacks. You see, my Philips Sonicare Elite toothbrush died. Why
iPad Case
Taking a basic case to school. Sometimes the simplest hacks are the most satisfying. I recently gifted a snazzy new iPad case to my father. That meant
Vacuum Former
Making something that sucks. After my poor result from attempting to 3D print the rather large Teddy Top prototype, I thought I’d give vacuum
Teddy Top – 3D Printing
Sometimes a magic bullet ricochets and kills you. Ever since beginning the Teddy Top project, I’ve had it in my head that I wanted
SmartHome – Postmortem
Attempting to determine why it sucks so very much. Like many hackers and tinkerers, home automation is a subject of irrational fascination for me.
Teddy Top – Prototype
A tale of fourteen fails. Sometimes a project goes so smoothly from start to finish that you’re left feeling all warm and fuzzy, and
Apple IIc Plus – Display
What’s new is old again. Sometimes, an idea seems so great that you just can’t let it go, even though you should. Today’s hack
PCB Coasters
Upcycling my own crap for once. This isn’t a hack per se… more like a hacklet. It’s a quickie, and thus is free for
Johnny – Ramp Switch
To make progress, sometimes you have to make tools. My scores haven’t been great on Johnny lately. An outside observer might suggest that perhaps
Apple IIc Plus – Bootstrap
We need eggs, but the chickens all died in 1992. Last time, I gave my IIc Plus a little checkup, then proceeded to try booting
Apple IIc Plus – Teardown
Playing doctor with an oldie-but-goodie. As regular readers may recall, I recently attended KansasFest for the first time. In addition to being a big
Johnny – LED Controller
Making Johnny smooth and suave once again. Back when I converted Johnny over to LEDs, I mentioned that there are some downsides to putting
Veronica, Patreon, Hack-A-Day, Oh My!
Quinn meets Hack-A-Day. Thousands dead. Film at eleven. Let me open this post with a bit of administrative news. I’m now a Patreon Creator! For
Apple ][ Development on OS X
A one-click build pipeline for rapid iteration on Apple ][ software. In addition to meeting lots of amazing people, the recent KansasFest left me with a
KansasFest 2014
Braving inhuman humidity for the love of 8 bits. This year I got talked into attending KansasFest for the first time ever. To be
Veronica – KansasFest!
Have 6502 Will Travel. I wanted to let everyone know that I’ll be bringing Veronica to KansasFest this year. In addition to having the
Workspace
A quick tour of Blondihacks World Headquarters. I’ve had a number of requests for a look at my workspace, so I figured I’d finally
Johnny – Dot Matrix Display
Now we’re getting serious. This article is gonna be a long one, so grab a beverage (careful, man!), and put your feet up. I
Headset Light Repair
Rescuing yet another almost-great product. One of the running themes here at Blondihacks is rescuing products from the landfill when they “barely fail”. That
Johnny – Connector Repair
A problem waiting to happen is no longer waiting. I recently cleaned up and relocated the battery box on Johnny, because some previous owner
Johnny – Battery Box Relocation
All your base are belong to us. Every aspect of a pinball machine is a compromise between durability, cost of manufacture, serviceability, and the
Johnny – LED Conversion
Let there be light! An increasingly popular modification to pinball machines is to convert the lighting system to LEDs. These machines typically have 100+
Johnny – Diagnostic Panel Repair
Pushing Johnny’s secret buttons. Every pinball machine from about 1980 onwards (the solid-state era) has a diagnostic control panel inside it. This is a
Johnny – Crazy Bob’s Flasher
Getting Crazy Bob open for business once again. I recently diagnosed and repaired a flasher lamp on Johnny Mnemonic. It was a simple fix,
Johnny – Cyberglove Rebuild
Somebody give this man a hand! You just knew I was going to make that joke at some point, so we might as well get
Johnny – Quick Fixes
From boat anchor to booting game. When Johnny arrived at my house, he was a 325lb plywood boat anchor. He didn’t boot up at
Johnny
A new toy to tinker with and hack on. Today I’m starting a new series of articles here on Blondihacks. Similar to Veronica, this
Veronica – ROM Monitor
Booting into a useful state. A common feature of 1980s computers is that they booted into a useful state. This was one of the
Veronica – Case Improvements
Making Veronica fit for the open road. One of my earliest goals for Veronica was to be able to take her places. Perhaps a
Cardio Roller Replacement
Rescuing my cardio machine from the scrap heap once again. As I’ve often said on this blog, so many consumer products seem to have
Veronica – Input Board
Keyboards and gamepads and ports, oh my! With Veronica’s input systems working in prototype form, it’s time to get it all installed in the
PCB Etching Analysis
Pushing the boundaries to see what blows up. I can’t ever leave things well enough alone, so while working on Veronica’s input system, I decided to
Administrative Note
Hey loyal Blondihacks readers, I wanted to take a moment to talk about the advertising content on this site. You may have noticed that
Veronica – Gamepads
Adventures with 40 year-old chip bugs. It seems like every Veronica project I start is “a pretty straightforward thing that shouldn’t take too long”,
Blondicade
An arcade “cabinet” to hold my arcade controller. A while back, I decided my life was missing a homemade arcade control panel. Well, it’s
Bluetooth Arcade Stick
A fun little afternoon project. Recently, the fine folks over at Adafruit Industries asked me to build something with their parts and write about
Arcade Control Panel
This is what happens when there’s nothing on TV. I’ve been listening to a really great podcast lately called No Quarter. It’s all about
Veronica – Keyboard
Some Input to go with all that Output. There are moments in a big project like this that really stand out. Those moments where
Veronica – Round 1: Fight!
Making RAM and EEPROM play nice together. If you had told me ahead of time how much trouble the RAM board would cause, I
Veronica – RAM Board Redux
Just when you thought it was safe to call yourself Turing-complete. Veronica seemed to be humming along nicely with her new RAM, and I
Veronica – Backplane 2
Minor growing pains. Veronica has developed a minor problem. She’s outgrown her backplane! When I started this project, I thought a fair bit about
Veronica – RAM Board
Making our girl Turing-complete. It suddenly occured to me that Veronica is missing something rather important which is needed to be called a “computer”.
SBC Cross-Development
Cross-developing on homebrew 6502s and other single board computer projects. Over on Veronica, things have progressed to the point of needing some fairly substantial
Two-Layer PCB Etching
Homebrew etching of double-sided PCBs. Etching PCBs is a topic I’ve covered quite a bit already, here and especially here. You might think I’ve
Veronica – GPU Recap
By popular demand. Housekeeping Note: I’ve added a new column on the left that groups Veronica posts together. If you want to follow this
Veronica – Hello World!
Just when you thought it was safe to render. If you recall from last time, I had Veronica’s GPU board all built, and successfully
Veronica – VGA Board
Making Veronica’s video permanent. Now that the video board seems to be working, it’s time to make it a real PCB so it can
Veronica – GPU Interface
It’s been a long time coming. It’s been quite an odyssey getting to this point. One of the tougher challenges I’ve encountered so far
Veronica – Macro Assembly for AVR
Coding in style with open source tools. I need to take a quick segue here to talk about the toolchain I’ve been using to
Amplifier Salvage
Rescuing a good product from bad customer service. I’ve been setting up my house for wireless music throughout. The technology I chose is Apple’s
Veronica – Friendship Is Magic
Getting the VRAM to play well with others. The next step in getting Veronica’s VGA board up and running is setting up a way
Veronica – VGA Dev Board
Taking stock and making plans. Sometimes, in order to move forward, you have to take a step back. When last we met Veronica, she
Towel Rack Improvement
Making another product into what it should have been. Here’s yet another case of a consumer product that is almost really nice, but falls
Bed Frame Cushion
A better morning for old feet. We’re back! Thanks for everyone’s patience with BlondiHacks’ long absence. Moving to the new space has been more
Moving
Hey everyone! You may have noticed it has been a little quiet here lately. That’s because Blondihacks Labs has been in the long process of
Veronica – VRAM
Video memory for our girl. I considered subtitling this article, “adventures in breadboard noise”, since that’s what I spent most of my time dealing
Tic Tac Timelapse
A timelapse camera in a Tic Tac box. Among my more questionable life choices is my regular participation (as part of The B-Team) in