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Green & Blue LED)
Some 16x2 LCDs do require quite a few digital pins
We also would like you to check out this breakout board for the TLC5947 PWM driver chip
featuring a fixed focus lens
The 3pi is also compatible with the popular Arduino development platform
Adafruit 0.56" 4-Digit 7-Segment Display w/ FeatherWing - White Data Logging Green & Blue LED)One segment? No way dude! 7 Segments for life! This is the White Adafruit 0. 56" 4 Digit 7 Segment Display w FeatherWing Combo Pack! 7 Segment 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 but there's a lot of wiring to set up and they take up a ton of space. Here at Adafruit we feel your pain! After
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