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MAX7219 8-Digit LED Display
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Overview
- MAX7219 digital display control module. Can be used for Arduino.
- This module is compatible with 5V and 3.3V microcontrollers (51/AVR/STM32, etc).
- MAX7219 is an integrated serial input / output common-cathode display driver, which connects your microprocessor to a 7-segment digital LED display with 8 digits.
- Only three IO ports are used to drive the eight digit display. MAX7219 supports flicker free displays as well as cascading displays.
Specifications
Operating voltage 3.3-5V DC
10MHz Serial Interface
Individual LED Segment Control
Decode/No-Decode Digit Selection
150µA Low-Power Shutdown (Data Retained)
Digital and Analog Brightness Control
Display Blanked on Power-Up
Drive Common-Cathode LED Display
Slew-Rate Limited Segment Drivers for Lower EMI (MAX7221)
SPI, QSPI, MICROWIRE Serial Interface (MAX7221)
GND → GND
DIN → P00
CS → P01
CLK → P02
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