3D-Printed Rotary Dial Keypad Is Wonderfully Useless

Right up front, let us stipulate that we are not making fun of this project. Even its maker admits that it has no practical purpose. But this 3D-printed Commodore-style rotary dial keypad fails to be practical on so many levels that it’s worth celebrating.

And indeed, celebrating deprecated technology appears to be what [Jan Derogee] had in mind with this build. Rotary dials were not long ago the only way to place a call, and the last time we checked, pulse dialing was still supported by some telephone central office switchgear. Which brings us to the first failure: with millions of rotary dial phones available, why build one from scratch? [Jan] chalks it up to respect for the old tech, but in any case, the 3D-printed dial is a pretty good replica of the real thing. Granted, no real dial used a servo motor to return the dial to the resting state, but the 3D-printed springs [Jan] tried all returned the dial instantly, instead of the stately spin back that resulted in 10 pulses per second. And why this has been done up VIC-20 style and used as a keypad for Commodore computers? Beats us. It had to be used for something. That the software for the C-64  generates DTMF tones corresponding to the number dialed only adds to the wonderful weirdness of this. Check out the video below.

We’ll hand it to [Jan], he has a unique way of looking at the world, especially when it comes to clocks. We really enjoyed his persistence of phosphorescence clock, and his screw-driven linear clock turns the standard timekeeping UI on its head.

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Custom Joystick For An Old Commodore Finds An Unlikely Home

Retro hardware is getting harder and harder to come by, with accessories such as joysticks and mice dropping out of the market the fastest. So if your old machine needs a new joystick, you may find yourself whipping it up yourself. While you’re at it, you might as well have some fun as [Tom Tilley] did when he built a C-64 joystick inside a replica disk drive case for his rare SX-64 luggable.

Anyone who remembers the amount of desk space the classic Commodore 1541 disk drive occupied might wonder why someone would want such an enormous base for a joystick. But rest assured that no actual 1541s were harmed in the making of this joystick; rather, [Tom] created a smaller replica of the drive case from MDF. The face of the case is about 80% original size, and the depth is cut down to about half the original, so the joystick actually ends up being a manageable size while offering a nice, broad wrist support. The drive door is 3D-printed and painted, and adorned with the original green and red LEDs. Decorations like the front badge and even replicas of the original rear panel labels, connectors, and switches were printed from files off a website devoted to recreating Commodore hardware from paper. Because Commodore love knows no bounds.

It’s silly, but it works, and we love the attention to detail. Hat’s off to [Tom] for not settling for yet another joystick build, and for keeping the Commodore flame burning. They may be tough machines, but they won’t be around forever.

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“The Commodore Story” Documentary Premieres Today

What is it about a computer that was introduced 36 years ago by a company that would be defunct 12 years later that engenders such passion that people still collect it to this day? We’re talking about the Commodore 64, of course, the iconic 8-bit wonder that along with the other offerings from Commodore International served as the first real computer to millions of us.

There’s more to the passion that Commodore aficionados exhibit than just plain nostalgia, though, and a new documentary film, The Commodore Story, seeks to explore both the meteoric rise and fall of Commodore International. Judging from the official trailer below, this is a film anyone with the slightest interest in Commodore is not going to want to miss.

It will of course dive into the story of how the C64 came to be the best selling computer in history. But Commodore was far from a one-trick pony. The film traces the history of all the Commodore machines, from the PET computers right through to the Amiga. There are interviews with the key players, too, including our own Bil Herd. Bil was a hardware engineer at Commodore, designing several machines while there. He has shared some of these stories here on Hackaday, including the development of the C128  (successor to the C64) and making the C64 speak.

We can’t wait to watch this new documentary and luckily we won’t have to. It’s set to start streaming on Netflix, Amazon, and iTunes today, so pop up some popcorn and settle in for a two-hour ride through computer history but right now we’re unable to get firm dates on when. However, those of you in the Mountain View area have an even better opportunity this evening.

The Commodore Story will be premiered live at 6:30pm PST at the Computer History Museum. Grab your tickets to the premiere and a Q&A session with Bil Herd, Leonard Tramiel, and Hedley Davis.

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Ditch the iPad; Build a Commodore 64 Tablet

The classic Commodore 64 has had its share of modernizing in the OS department. From its roots starting up a basic prompt, to full high resolution GUI packages like GEOS, to today where [Jim_64] added a tablet like launcher complete with a touch screen interface.

The GUI itself takes advantage of the high resolution graphics of the C-64 that looks similar to iOS, Icons are selected via cursor keys or joystick (what? no light pen?) and launch the various functions they represent. To add to the tablet-like feel of the OS, an off the shelf 3m touch screen panel and its corresponding RS232 interface board were obtained from digikey.

With the panel securely attached to the monitor, XY data from the various finger pokes are sent via serial at a blazing 1200 bps where the program interprets the position. Using the available demo (download sideA and sideB) and off the shelf parts, this should be easy for anyone with a classic C-64 to set up in their own home and have some fun.

Join us after the break for a few demo videos!

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