GitHub

RGB_LED_Sign_001.ino

// Developed on the Seed Studio XIAO SAMD21 board, but should be compatible with all "Arduino UNO" boards. // Make sure to set correct number of LED's, and define arrays for characters and colors. // ...
GitHub

RGB_LED_Sign_004.ino

// Enter first LED in each char, starting from 0. Let last array item be total number of LEDS. int FirstLedInChar[] = {0,2,4,6,8,10,12,NUM_LEDS}; CRGB color[] = {CRGB ...
Hackaday

RGB LED matrix

[Stefan Schüller] was a fan of the LED signs that display arrival information for the trams and buses in their city of Zürich. [Stefan] was having trouble finding a source to purchase the signs so, ...
EDN

Layman’s RGB LED Module Circuit

Layman’s RGB LED module is an ultra-simple project realized without any microcontrollers. An RGB LED can be driven with a cmos presettable up/down counter. This is accomplished by connecting the three ...
Hackaday

RGB LED

[Avi Gupta] recently sent in their LoRaSense RGB Pi HAT project. This “HAT” (Hardware Attached to Top) is for any Raspberry Pi with 40-pin header. The core of the build is the custom printed circuit ...