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Homebrew game Project I built a handheld game console with just a single switch.

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georigin

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I built my own game console, controlled entirely with a single toggle switch, and designed a few original mini-games specifically for it.

Having just one switch to work with has really made me rack my brain for ways to make the interactions more fun and create a wider variety of games.

The video shows the first-generation prototype. Its case is 3D-printed, so the finish is a little rough. I’m currently working on developing and refining the second-generation version.

If you have any suggestions, feel free to share them—I’d love to hear your thoughts and discuss them!
 
Last edited by georigin,
Have you got more to share? I'm asking because it's quite odd you sent a video that looks like it came from a news publication, then claiming it's your work with not much else to show. It also looks a lot like a re-purposed digital camera housing more so than a 3D-printed case as pointed out, but it could just be me.

If it is your work though, great! I wouldn't consider it the most unique considering Playdate exists, the only """suggestion""" in that regard is that if it releases commercially (if not open source, which would be great too), it wouldn't be unobtainium. Hardware-wise, if the sole idea is to only use that switch (potentiometer?), I guess batteries are all that's left? :P
 
lightwo said:
Have you got more to share? I'm asking because it's quite odd you sent a video that looks like it came from a news publication, then claiming it's your work with not much else to show. It also looks a lot like a re-purposed digital camera housing more so than a 3D-printed case as pointed out, but it could just be me.

If it is your work though, great! I wouldn't consider it the most unique considering Playdate exists, the only """suggestion""" in that regard is that if it releases commercially (if not open source, which would be great too), it wouldn't be unobtainium. Hardware-wise, if the sole idea is to only use that switch (potentiometer?), I guess batteries are all that's left? :P
Click to expand...
Thank you！ I can promise you 100% that this is a project I’ve been developing for a long time; the reason for the brief description is simply that this is my first time posting here. Previously, I had been updating my development logs on Reddit and my official website. While many people might naturally associate it with the Playdate, there are significant differences. At its core, this project is a pixel-art virtual pet game, interspersed with various mini-games of different styles. Most importantly, I’ve incorporated millimeter-wave radar technology to enable motion-sensing capabilities—allowing things like the player's heart rate and breathing to serve as game inputs. (English isn't my native language, so I used Google Translate.)

Here is my development log: https://georiginai.com/devlog/2026-07-03
 
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georigin said:
Most importantly, I’ve incorporated millimeter-wave radar technology to enable motion-sensing capabilities—allowing things like the player's heart rate and breathing to serve as game inputs.
Click to expand...
mmWave inside a little handheld?! I guess this makes it an alternate universe where Rhythm Heaven had a controller-less variant (instead we got an alarm clock). Very fascinating stuff!
 
lightwo said:
mmWave inside a little handheld?! I guess this makes it an alternate universe where Rhythm Heaven had a controller-less variant (instead we got an alarm clock). Very fascinating stuff!
Click to expand...
Yes, I’m not just making empty claims; I can even show you the optimized "2.0 version" of the circuit board. That green component on the left is a millimeter-wave radar; it can detect your presence as well as your breathing and heart rate. The image also shows a pixel-art game I’m currently designing.
20261008-222147.jpg
 
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