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1366 points aleksi | 1 comments | 14 Oct 24 15:19 UTC | HN request time: 0s | source
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blutack ◴[14 Oct 24 17:02 UTC] No.41839455[source]▶
If you're looking for something with an addressable LED matrix in a clock style form factor, the Ulanzi TC001 [0] for ~$50 is worth having a look at.

Doesn't quite have the same aesthetic but inside it's just an ESP32 (flashed via the USB-C port) and there's various mature open source firmware replacements. I use awtrix[1] on mine and it's very easy to tie in HomeAssistant for doorbell notifications and that sort of thing. I did also knock up a Pomodoro app for it.

0: https://www.ulanzi.com/products/ulanzi-pixel-smart-clock-288...

1: https://github.com/Blueforcer/awtrix3

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CobrastanJorji ◴[14 Oct 24 17:18 UTC] No.41839620[source]▶
I was going to say that $200 seemed awfully expensive for a programmable kitchen timer.

I've had a project idea for a while that would require a bit more juice. In short, I want to make a music practice timer for ADHD kids that avoid actually playing music during practice time. I want it to be beefy enough to run some simple ML for detecting instruments being played, and I only want the timer to count down while the instruments are playing. I picture it looking a lot like the clock above, but with something like a Raspberry Pi jammed inside so it's got enough power to reliably detect "violin."

Any ideas on hardware for that?

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bobnamob ◴[14 Oct 24 17:58 UTC] No.41840050[source]▶
The adversarial child would be playing recordings into the timer within minutes no?
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1. CobrastanJorji ◴[14 Oct 24 18:25 UTC] No.41840355[source]▶
I'm assuming the child is question is not so much adversarial so much as ADHD. They'll be actively looking to divert their attention to more stimulating activities than playing an instrument but not attempting to cheat the system. And I'm assuming a parent is present but not necessarily in full control of the child. Or it could work equally well for an adult in a similar situation.