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4x4 RGB click carries a matrix of 16 WS2812 RGB LEDs and a MCP1826 low dropout regulator. These LEDs actually consist of three single colored LEDs (Red, Green and Blue), plus a control chip in a single package; various colors can be reproduced by mixing the intensity of each LED. However, don't drive the LEDs to maximum brightness because it will generate excessive heat and draw more current that advisable (up to 0.7A) which could potentially damage the mainboard. Also, don't touch the board when it's in use. The LED matrix is connected to the target board microcontroller through the mikroBUS RST pin. The board uses either a 3.3V or 5V power supply. |
