Adafruit Mini 8x8 LED Matrix w/I2C Backpack - Red : ID 870 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: ALAMSCN MAX7219 Dot Matrix Module 8x8 LED Display Modules for Arduino Raspberry Pi Microcontroller with 5Pin Wires Red (Pack of 4) : Industrial & Scientific
YOUR OWN SHAPE - 8x8 LED Matrix Arduino - Hackster.io
Amazon.com: HiLetgo 3pcs MAX7219 8x8 Dot Matrix LED Display Module 5V MCU Control MAX7219 8 * 8 LED Dot Matrix DIY Kit : Electronics
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1.8 Inch Dot Matrix Led 1.8" 8x8 Display Module Red Can Be Connected In Series Seamless Cascadable Spi Interface For Arduino - Industrial Computer & Accessories - AliExpress
YOUR OWN SHAPE - 8x8 LED Matrix Arduino - Hackster.io
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