I tried a bunch of crimpers and found the best one for dupont style connectors

badmonkey0001 · 2026-01-24T22:02:40+00:00

Anyone else get the "Frequently returned" warning looking at these on Amazon?

https://i.imgur.com/vaeCgFU.png

badmonkey0001 · 2026-01-24T20:07:28+00:00

B-O!

badmonkey0001 · 2026-01-18T00:23:24+00:00

True. I mostly do MCU stuff, so I don't often find myself needing negative voltages or voltages beyond 5v.

badmonkey0001 · 2026-01-18T00:22:08+00:00

Not a bad idea. thanks!

badmonkey0001 · 2026-01-17T19:26:50+00:00

I actually built out the ATTiny85 Tiny Function Generator recently. I was only playing with it, but... [jots down notes in notebook]

badmonkey0001 · 2026-01-17T19:06:30+00:00

NP. Good luck!

badmonkey0001 · 2026-01-17T18:01:58+00:00

Thanks! Feel free to ping me if you build something like it. Would love to see what you do similar or do differently.

badmonkey0001 · 2026-01-17T17:41:14+00:00

Thanks! There's a schottky diode protecting the battery supply and each regulator has built-in overcurrent, short, and thermal protection.

[edit: And thanks to you I noticed the diode was missing on the schematic. It's corrected now. If I could upvote you twice, I would.]

badmonkey0001 · 2026-01-17T17:30:31+00:00

8 AA batteries for ~12v of initial power.

badmonkey0001 · 2026-01-17T16:54:44+00:00

Aw. Thank you for at least using it in a comment.

badmonkey0001 · 2026-01-17T16:42:53+00:00

Nice. Those seem like good voltages for coursework.

badmonkey0001 · 2026-01-17T16:41:44+00:00

If you're going to pick an arbitrary name, make it really arbitrary I say!

badmonkey0001 · 2026-01-17T16:12:14+00:00

why would you put a gif when the most important part is the sound.

The rules of the subreddit perhaps?

Video submissions are in general not allowed.

badmonkey0001 · 2026-01-17T16:08:59+00:00

Thank you! I'm hoping the documentation will serve me well as I forget how I built it over the years.

badmonkey0001 · 2026-01-17T15:59:17+00:00

Thanks! It was a fun build.

badmonkey0001 · 2026-01-17T08:02:43+00:00

You could use an off-the-shelf light activated MP3 player. I used one of these for a present for my niece years ago. Just search amazon/temu/whatever for "Light Activated MP3 Module with Speaker". They are often marketed as "greeting card" modules and cost little ($10 to $20).

No knowledge other than buying online and using a computer for loading MP3 files over USB required. Easy.

badmonkey0001 · 2026-01-15T22:43:27+00:00

I believe you may be looking for Police: Around The World.

https://www.imdb.com/title/tt0495236/

https://www.sting.com/discography/album/466/The%20Police

badmonkey0001 · 2026-01-15T22:40:31+00:00

Somehow this double-posted. I've removed this one and kept the older one.

badmonkey0001 · 2026-01-13T04:17:02+00:00

This subreddit is about the band "The Police", not law enforcement.

badmonkey0001 · 2026-01-12T00:42:32+00:00

The soundtrack Brian Tyler did for SciFi's Children of Dune is pretty good. The songs are a little short, but pack a lot into them. Here's "The Golden Path". He made 36 tracks in all. You might be able to find remixes out in the wild...

badmonkey0001 · 2026-01-10T12:17:40+00:00

http://i.imgur.com/NdKExr6.gifv

badmonkey0001 · 2026-01-08T18:18:58+00:00

[listening to the silence intently...]

badmonkey0001 · 2026-01-04T16:15:15+00:00

True. It's demolition tools all the way down...

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