MAX7219 8x8 8x32 Control Driver LED Dot Matrix Display Module Anzeigen DIY Red
The MAX7219 is an integrated serial input/output common cathode display driver that connects a microprocessor to an 8-bit digital 7-segment digital LED display, a bar graph display, or 64 individual LEDs. data. Only one external register is used to set the segment current for each LED.
A convenient four-wire serial interface allows connection to all common microprocessors. The MAX7219 also allows the user to choose to encode or not encode each piece of data.
The entire device includes a 150uA low-power shutdown mode, analog and digital brightness controls, a scan limit register that allows the user to display 1-8 bits of data, and a detection mode that allows all LEDs to glow.
Only 3 IO ports are needed to drive 1 dot matrix! Flicker-free dot matrix display! Supports cascading!
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