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Oximeter monitor with OLED display using MAX30105 sensor on NodeMCU

In this video, I created a blood oximeter by using the MAX30105 particle sensor to figure out the changes in color of passing ...

Samsung Reaches Into Budget Territory With its Latest Mini LED TVs

TVs that use LED backlights behind the display to selectively light areas of color and leave darker areas dim or unlit, ...
Hackaday

Stream Deck Radio Controller Built With Cheap Yellow Display

Stream decks are pretty useful in all kinds of contexts, but commercial models can feel a bit pricy for what is effectively a ...
Hackaday

LED Hacks

If you’re intending to work at your desk for long periods of time, good lighting is a must, as it can help stave off eye strain and mental fatigue. It was a desire for more comfortable productivity ...