![Why does 74hc595 work "better" without GRND (pin 8) grounded? - LEDs and Multiplexing - Arduino Forum Why does 74hc595 work "better" without GRND (pin 8) grounded? - LEDs and Multiplexing - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/e/c/6/ec6665a5a5d31d9508d88f8bddd58cc169c1a152_2_1023x820.jpeg)
Why does 74hc595 work "better" without GRND (pin 8) grounded? - LEDs and Multiplexing - Arduino Forum
![8 × 24 - LED matrix Display use 74CH595 now i want remove 74ch595 an add max7219 - LEDs and Multiplexing - Arduino Forum 8 × 24 - LED matrix Display use 74CH595 now i want remove 74ch595 an add max7219 - LEDs and Multiplexing - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/3X/a/1/a119330be84b753d67fa6cd5d1c5f3c69011ae2a.png)
8 × 24 - LED matrix Display use 74CH595 now i want remove 74ch595 an add max7219 - LEDs and Multiplexing - Arduino Forum
![GitHub - rztio/Arduino-74HC595-LED-Matrix: Basic LED matrix library for an Arduino with a 74HC595 shift register. GitHub - rztio/Arduino-74HC595-LED-Matrix: Basic LED matrix library for an Arduino with a 74HC595 shift register.](https://user-images.githubusercontent.com/12734917/31724317-4efa597e-b419-11e7-9cc8-53ff5d1ed7fd.png)
GitHub - rztio/Arduino-74HC595-LED-Matrix: Basic LED matrix library for an Arduino with a 74HC595 shift register.
![problem understanding a code that controls an led matrix with 74hc595 ic - LEDs and Multiplexing - Arduino Forum problem understanding a code that controls an led matrix with 74hc595 ic - LEDs and Multiplexing - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/1/3/c/13c78f9652a776230a5b207beabd45851605a975.png)