Dot Matrix Canvas Enclosure for Internet of Things
Description
This simple minimalist enclosure fits a common 4x8x8 LED Matrix module and because of the tight tolerances this case can be printed on relatively small print beds. The display is powered by the MAX7219 chip which communicates via serial so you only need five wires to connect it to your favorite microcontroller. VCC -> 3.3 Volts GND -> Ground DIN -> MOSI (Data channel) CS -> GPIO (Chip select) - You pick the pin CLK -> SCK (Clock) Serial communication is a standard way to communicate between chips and microcontrollers. It's two-way, widely supported and fast enough for use in most applications. For these types of LED matrices, it is the serial communication protocol that makes gigantic displays possible. Code: https://github.com/markruys/arduino-Max72xxPanel
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