George timmermans
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Electronic Kit - LED Fidget Spinner

18/5/2020

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Like a lot of people I have been looking for stuff to do while staying at home. One of the things I wanted to get better at was soldering surface mount components. I found several practice kits on AliExpress and the LED fidget spinner is one of them. And to do something different I decided to make a timelapse of me putting it together. The instructions consist of a website with picture and some information in what might be mandarin. The picture are clear enough to figure out how to assemble the kit. The only thing I didn’t notice beforehand was that there where three different colours of LEDs provided. You will see in my video that when I first test the fidget spinner I only have two colours and after final assembly I have three.

I hope to do more of these type of kits in the future because I enjoy putting things together. I would rate this Kit an 8/10.
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Cheap ambilight for PC

10/5/2020

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For years I had a homebrew ambilight setup for my 24' full hd monitor based on Adafruits version of ambilight called adalight. These days you can buy a simple kit of aliexpress so you don't really have to do any soldering and programming of an Arduino. Not that I have any problem doing that but why bother?

Here is a photo on how I installed it on a 32" monitor. I ended up using a total of 104 led pixels. 16 on the bottom, 24 either side and 40 on the top. 
Picture
I connected the corners by soldering on header pins and connecting them with 3-pin JR connectors. I recommend cleaning the surface with methylated spirits before sticking down the LEDs. The orientation of the LEDs can be changed in software but by default it would follow an anti-clockwise direction if you where sitting in front of the monitor. 
Picture
Once everything was hooked up I ended up using Lightpack to drive the LEDs. I used the custom config to make the software match my LED layout.
Picture
While doing some research I found a great article around calibrating the LEDs. I recommend reading it: Calibrating Ambilight Color in Prismatik and it is what I used to adjust some of my settings. The camera doesn't capture the colours the way I see them. In person it looks a lot more accurate.
Picture
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    George Timmermans, Research Toolmaker, Software Engineer and Tinkerer

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  • About Me
    • Resume
    • Press releases
  • Blog
  • Projects
    • Long Range WiFi Link
    • Embedded Systems >
      • Photo Booth
      • Classroom VU meter
      • USB Media Controller
      • Weather Station
      • Arduino Swimming Pool Controller
      • GRBL Android Controller
      • Arduino Serial Driver
      • Arduino Multitasking
      • 8x8x8 LED Cube
      • Analog -> Digital Geiger Counter
    • 3D Printing >
      • Simplify3d Configuration
      • 3D print repairs
    • Home Brewing >
      • Mead Recipes >
        • Cinnamon Mead
        • Sweet Chili Mead
        • Lemon & Ginger Mead
        • Mead Liqueur
        • Honey Beer
      • Glühwein (Spiced Wine)
      • Limoncello
    • House
    • Toolmaking
    • Laser Cutting
  • Weather Cam
  • Contact