111–120 of 234 posts
Flat ones do exist. I have one eink TOTP card that's no thicker than a normal credit card.
And also an airtag style tracker that's about twice as thick. Maybe it uses the same kind of battery.
If you like this, you'll also love Mitxela's fluid simulation pendant [0], and likely all of his work! I'm consistently astounded by how informative and enjoyable his stuff his. He shares so much, so freely and it's so well produced, with a lovely voice to boot. Inspirational! Watch his vids, read his write-ups or both! We need more people like this. [0] https://mitxela.com/projects/fluid-pendant
£1200 for one though.. oof.
> One of the more difficult features was the rechargable battery. Flat ones do exist. I have one eink TOTP card that's no thicker than a normal credit card. And also an airtag style tracker that's about twice as thick. Maybe it uses the same kind of battery.
https://www.lithium-polymer-battery.net/ultra-thin-lithium-p...
Standard credit card: 0.76mm thick
> One of the more difficult features was the rechargable battery. Flat ones do exist. I have one eink TOTP card that's no thicker than a normal credit card. And also an airtag style tracker that's about twice as thick. Maybe it uses the same kind of battery.
No issues mentioned with battery being exposed on both terminals? Seems like easy short hazard.
Is a cr2032 shorting it is not dangerous, it can’t supply the current to get hot enough do any real damage.
The typical Chinese sources have been selling "digital hourglass" type ornaments that work like this for a while. There was a whole game based on this sort of thing back on the Acorn Archimedes: Cataclysm https://www.youtube.com/watch?v=3Byyz1Vlv8w It got remade for the 360, but the original was regarded at the time as surprisingly impressive for the machines it was running on.
Oxygen Not Included simulates a whole bunch of different kinds of fluids and gasses, and has a sandbox mode and debug tools.
I love using it as a kidpix-like painting tool, just to see how all the different materials interact.
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Liquid Pokemon Eggs and Sperm! Gotta catch it all! Then you can lay the fertilized eggs at any GPS coordinate to gestate and hatch later on. That could start a whole genre of AI (Artificial Insemination) Life Simulation games.
Until hackers get in and add Pokemon STDs >>
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I don't know, I struggle with a light switch, but that doesn't look like board someone took home with a box of parts and a soldering iron to make at home. Are there services that you can send the BOM and board files too, and not only do you get the PC board back, but it's populated? Will they do that for a onesy-twosy thing like this? Then all you have to do is supply the battery and download the firmware (however th…
Yes, I’ve done it for a batch of 10 with https://jlcpcb.com/smt-assembly for around $10/board including the PCB
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Yes, I’ve done it for a batch of 10 with https://jlcpcb.com/smt-assembly for around $10/board including the PCB
>$10 per business card is extremely high, though.
There's definitely an entire business available for expensive trade show merchandise, including electronic business cards. People routinely give away shirts and other merchandise that cost far more than $10..