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MAX7219 digital display control module
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This module is compatible with 5V and 3.3V microcontrollers.
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You you can use it for Arduino
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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.
• Pins:
VCC: 5V
GND: GND
DIN: P00
CS: P01
CLK: P02
• Note:
VCC and GND should not be connected reversed, so as not to burn the chip
• Specifications:
Power: 5V
Size: 82 x 15 x 12mm(LxWxH)
Shell Colour: Blue & black
Net Weight:1 3g