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XDA Developers on MSN2d
I built this beautiful LED matrix display with an ESP32 for $30
You can build something cheaper and more customizable with an ESP32 or a Raspberry Pi, and that's what I did. It's beautiful, ...
Electronics3604d
Vishay Intertechnology RGB LED in PLCC-6 package provides independent control of red, green and blue chips for wide color range
Vishay Intertechnology, Inc. has introduced a new tricolor LED that provides luminous intensity to 2,800 mcd at 20 mA for ...
Taste The Code on MSN6d
How to Build an Arduino Heart Rate Monitor with PulseSensor and OLED Display
Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...
CNX Software4d
$12 WLED controller board supports WS2812 RGB LED strips
C" is a tiny ESP32 board designed to run WLED open-source firmware that supports WS2812(B) RGB LED strips. It also supports ...
Hackaday22h
2025 One Hertz Challenge: RPI TinynumberHat9
This eye-catching entry to the One Hertz Challenge pairs vintage LED indicators with a modern RPi board to create a one-of-a-kind clock. The RPI TinynumberHat9 by [Andrew] brings back the ...