MAX7219 Dot Matrix Display Module

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The MAX7219 is an integrated serial input / output common-cathode display driver, it is connected to a microprocessor with 8-digit 7-segment digital LED display can also be connected to the bar graph display or 64 separate LED. On B BCD encoder including an on-chip, multi-channel scanning loop word drive, but also an 8 x 8 …
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TM1637 4 bit 7 Segment Display Module (Anode)

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The module is a 12-foot clock with 4 points of positive digital (0.36 inches) display module driver IC TM1637, only two signal lines can make SCM four 8-segment LED.   Module features are as follows: Display of male red for the four digital tube Adjustable digital tube 8 gray Level control interface for 5V or …
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