4 Digit 7 Segment I2C Display – Red
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A fun way to make a small display is to use a 4-digit 7-segment display. Matrices like these are 'multiplexed' - so to control all the seven-segment LEDs you need 14 pins. That's a lot of pins, and there are driver chips like the MAX7219 that can control a matrix for you…
Price as on: 2020-02-07 22:48:10