ch00f

@ch00f@lemmy.world

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Is there an easy way to generate a list of CMYK color values that will appear identical to the human eye under 589nm light?

I picked up a low pressure sodium lamp and am working on a Halloween demonstration. I’m hoping to make a display that appears one way under normal light, but looks totally different under the monochromatic 589nm sodium vapor light....

I sort of left the hobbyist electronics world back in 2018, and now everything seems to have an embedded Raspberry Pi in it. What's the best way to catch up?

I’m an EE by trade focusing on embedded devices, but most of my work is in relatively low-power STM32 applications. When I stopped following developments in hobby kits, it was mostly Arduino Unos slowly driving I2C OLED displays....

[Question] What to spend money on for server upgrade? (lemmy.world)

I’ve been running a headless Ubuntu server for about 10 years or so. At first, it was just a file/print server, so I bought a super low power motherboard/processor to cut down on the energy bill. It’s a passively cooled Intel Celeron J3455 “maxed out” with 16BG of RAM....

Any thoughts for custom-sizing a thin glass sheet to protect an LCD screen?

So my wife cracked the screen of her Playdate console. I got a replacement memory LCD (Sharp LS027B7DH01A), but the LCD is mounted with optically clear adhesive directly to a piece of glass which is adhered around the edges to the console’s faceplate....

Dipole antenna performance improves dramatically only when touching the center conductor

EDIT: For anybody coming across the same issue, USB was the problem. I was trying to avoid having 12" of radio equipment sticking directly out of my laptop where it could easily be snapped off, so I used a little USB power meter as a short extension cord to let it bend. I don’t know if it was the power meter or my laptop, but...

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