Open Source Stream Deck Targets Flexibility

Stream decks are very useful when you’re live on camera and you need to hit some complicated macro at a glance. However, there is sometimes a perception that commercial options are a touch expensive for what they are, an attitude which has spawned many DIY builds. [Fady Faheem] has developed just such a device of his own.

Named Stream32, the build is intended to be simple to understand and adapt to one’s own individual workflow. Putting one together is as easy as buying a display, hooking it up to an ESP32, flashing the firmware, and then adding pages of shortcuts as desired. [Fady] has designed the firmware to be flexible with regards to screen choice — currently, it can be set up for a 4″ Waveshare LCD or a nice roomy 10.1″ display from Elecrow. Since it’s open source, adapting to a wider range of displays is a potential exercise for the builder.

The great thing about custom stream decks is you have all the freedom in the world to customize them to your own specific setup. Play with the code, the functionality, the visual layout—all to suit your own needs. If you’re working on your own custom hardware, be sure to tell us on the tipsline.

Budget Stream Deck Clone Is Ripe For Hacking

The original Stream Deck was a purpose-built device to make it easier to manage a live video stream on the fly. Since its release, many other similar products have hit the market. Among them is the Ulanzi D200 U-Studio, which is proving popular with hackers for good reason.

[Rodrigo Laneth] has been digging into the D200, and found out it’s running Linux 5.10.160 on a quad-core Rockchip RK3308HS chip. Notably, he determined the kernel appears to be from Android, but that Ulanzi removed the Android userspace and “slapped Buildroot on top,” in his own words. Interesting, if not that unusual. What is key, however, is that the device has a fully open adb root shell, as noted by [lucasteske], which inspired [Rodrigo]’s investigation. This pretty much allows full access to the device, so you can make it do whatever weird thing your heart desires.

As you might expect, people are already making the D200 do fun stuff. [lucasteske] got it running DOOM in short order. Meanwhile, [Rodrigo] has it playing out Bad Apple!! at 30 FPS, with code and a deeper explanation available on GitHub.

It’s rare these days that manufacturers leave root open on any commercial device. You normally need to pull a few tricks to get that kind of access.

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Stream Deck Plus Reverse Engineered

[Den Delimarsky] had a Stream Deck and wanted to be free of the proprietary software, so he reverse-engineered it. Now, he has a Stream Deck Plus, and with the same desire, he reverse-engineered it as well.

The device has eight buttons, a narrow screen, and four encoder dials. The device looks like a generic HID device to the host machine, and once it has been configured, doesn’t need any special software to function. By configuring the device using the official software in a virtual machine under the watchful eye of Wireshark, it was possible to figure out how that initial setup worked and recreate it using a different software stack.

If you’ve never done this kind of thing before, there is a lot of information about how to find USB data and draw inferences from it. The buttons send messages when pressed, of course. But they also accept a message that tells them what to display on their tiny screen. The device screen itself isn’t very big at 800×100.

[Den] packages everything up in the DeckSurf SDK, an open source project that lets you control Stream Decks. So if you just want to control the Deck, you don’t need to know all these details. But, for us, that’s where the fun is.

Way back in 2015, we covered some guy who had sniffed out a USB signal generator. That was easy since it was a serial port. However, you can go pretty far down the rabbit hole.

Illustrated Kristina with an IBM Model M keyboard floating between her hands.

Keebin’ With Kristina: The One With The Biblically-Accurate Keyboard

Well, it was bound to happen at some point. [sporewoh]’s bunchiez40 keyboard for ants is made of mouse switches, which of course begs for a mouse made of keyboard switches.

Image by [sporewoh] via GitHub
[sporewoh]’s keyboards have been steadily shrinking, and they built this in order to get the smallest possible form factor for the number of keys. Surprisingly, since the mouse switches have an actuation force similar to some heavier MX-style switches (~70 g), [sporewoh] is able to squeeze 85 WPM out of it, albeit with some argument from the wrists.

If you want to build a bunchiez40, everything is available on GitHub, including the CAD files for that lovely anodized aluminium case. The typing video is coming soon, and I’m taking bets on whether it’s as quiet as a mouse, as one redditor joked.

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Num Pad Reborn As Stream Deck

Stream decks are cool and all, but they are essentially expensive, albeit sorta cool-looking macro pads. So why not try to make your own? You don’t necessarily have to start from scratch.

It all started when [dj_doughy] found an extremely clicky num pad in a recycle pile. It was so clicky, in fact, that even though [dj_doughy] didn’t need an external num pad, they wanted to keep it around as a fidget toy. From the video after the break, they look to be white ALPS switches. The only problem? It had a PS/2 connector.

Well, okay, there was another problem. The chip inside seemingly has no datasheet available. [dj_doughy] took to Discord for help, and was advised to just have the thing use extended keys, like F13-F24, and assign those as hotkeys in OBS.

In order to make it USB, [dj_doughy] need a microcontroller capable of acting as a Human Interface Device (HID). While [dj_doughy] tested using an Arduino Leonardo, they ended up using an Arduino Beetle due to its diminutive size. [dj_doughy] had a bit of trouble with the code sending two key presses, but found out they were just missing some variables. Now it works like a charm.

Would you like a macro pad that lets you physically reassign macros? Then check out this tile-based macro pad.

Illustrated Kristina with an IBM Model M keyboard floating between her hands.

Keebin’ With Kristina: The One With The Arboreal Keyboards

Well, unfortunately we don’t know much yet about this nice wooden keyboard from [Kelvin Chow], but maybe this inclusion will encourage [Kelvin] to post more about it.

Sure is nice-looking, don’t you think? That’s because there some great details at play here, like the legend-less two-tone keycaps and the neat-o locking box it sits in.

This keyboard is inspired by the Hacoa Ki-board, which uses a singles plank of wood to craft the keycaps. [Kelvin] wanted to try this technique for themselves. Evidently this won’t be the last wooden keyboard, so stay tuned for more over on Hackaday.io.

This isn’t the first dead-tree keyboard we’ve seen around here, either. A while back we saw one with Scrabble tile keycaps, and earlier this year, a nice wooden macro pad.

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DIY Streamdeck Helps You Professionalize Your Twitch Show

The one thing that separates the pros on Twitch from the dilettantes is the production values. It’s all about the smooth transitions, and you’ll never catch the big names fiddling with dodgy software mid-stream. The key to achieving this is by having a streamdeck to help control your setup, like this straightforward design from [Electronoobs]. (Video, embedded below.)

The build relies on an Arduino Micro, which is a microcontroller board perfectly equipped to acting as a USB macro keyboard. It’s paired with a Nextion LCD touchscreen that displays buttons for various stream control features, like displaying a “Be Right Back” screen or cuing up video clips. The build also features bigger regular buttons for important quick-access features like muting a mic. It’s all wrapped up in a 3D printed housing, with some addressable RGB LEDs running off another Arduino to add some pizazz. The neat trick is that the build sends keycodes for F13-F24, which allows for the streamdeck’s hotkeys to avoid conflicting with any other software using conventional keyboard hotkeys.

It’s a useful tool that would be of use to anyone streaming on Twitch or other platforms. Alternatively, you could repurpose an old phone to do a similar job. Video after the break.

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