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500 LED-Pixel RGB-Brick
hello What size of the led did you use?
DIY | 3x3x3 LED Cube for Arduino Nano+
Arduino Nano: I2C 2 X 16 LCD Display with Visuino
Arduino and Visuino: Connect 4D Systems ViSi Genie smart Touchscreen Display to Arduino
Clock with thermometer using Arduino, i2c 16x2 lcd, DS1307 RTC and DHT11 sensor.
Control Your Multicolor LED using Smartphone!!
Big, auto dim, room clock (using arduino and WS2811)
ESP8266-12 blynk wireless temperature LM35 sensor
Arduino weather station with RF433 MHz modules
Decoding and sending 433MHz RF codes with Arduino and rc-switch
Arduino Street Traffic Light - Breadboard Edition