The hottest Substack posts of Everyday Thing

And their main takeaways
0 implied HN points 10 Feb 25
  1. Content Addressable Memory (CAM) chips are used in routers to make quick searches based on data content instead of addresses. This helps manage MAC address tables efficiently.
  2. The post includes photos of a Hitachi Router line card and its components after being treated in acid. This process reveals more details about the chips used inside.
  3. Understanding how these chips work is crucial for networking, and they enhance the speed of data processing in devices like routers.
0 implied HN points 06 Feb 25
  1. The illumination controller is a simple device made mostly of a transformer and a variable resistor to control light bulbs. It's not very complicated, just does its job well.
  2. It probably dates back to the 1980s but is based on designs from older decades, showing the timelessness of good design.
  3. The assembly appears to be done by hand, and everything is neat and well executed, which adds to its charm.
0 implied HN points 05 Feb 25
  1. The EDX-720 is an energy-dispersive X-ray fluorescence spectrometer used to analyze materials by firing X-rays at them.
  2. This kind of instrument has a heavy metal shield because it uses X-rays, making it safe for users.
  3. A lot of pictures of the EDX-720 have been shared, showing its various parts and features.
0 implied HN points 04 Feb 25
  1. The Arducam Mira220 is a special camera sensor that works really well with infrared light and connects to a Raspberry Pi.
  2. A cool feature is that it has a monochrome look and can actually be modified for better performance by changing the lens.
  3. There's also a plan to build a custom enclosure for this camera to keep it safe and functional during experiments.
0 implied HN points 03 Feb 25
  1. An HDMI to USB-C display port converter is useful for connecting devices like AR glasses to other tech, like a Raspberry Pi. It can help you create cool projects that blend technology and fun.
  2. Exploring the inside of tech gadgets, like the converter, can reveal the chips and designs used in them. This knowledge can inspire new ideas or even lead to creating your own versions.
  3. There are helpful resources available, such as open source designs using the chips from devices like the converter. These can guide you in making or improving your own tech projects.
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