![What is the solution for this problem? How do I connect a 64 LED with an Arduino Uno R3? The Arduino has only 13 pins for a digital I/o.' - Quora What is the solution for this problem? How do I connect a 64 LED with an Arduino Uno R3? The Arduino has only 13 pins for a digital I/o.' - Quora](https://qph.cf2.quoracdn.net/main-qimg-d42e3bf5bcd3381b6bafc5cdee66705d.webp)
What is the solution for this problem? How do I connect a 64 LED with an Arduino Uno R3? The Arduino has only 13 pins for a digital I/o.' - Quora
![Amazon.com: Gikfun LEDs Diffused RGB Common Anode 4 Pins 10mm Super Bright Bulb Lamp for Arduino (Pack of 10pcs) EK1721 : Electronics Amazon.com: Gikfun LEDs Diffused RGB Common Anode 4 Pins 10mm Super Bright Bulb Lamp for Arduino (Pack of 10pcs) EK1721 : Electronics](https://m.media-amazon.com/images/I/619dlcEnzcL.jpg)
Amazon.com: Gikfun LEDs Diffused RGB Common Anode 4 Pins 10mm Super Bright Bulb Lamp for Arduino (Pack of 10pcs) EK1721 : Electronics
![c++ - Hooking up multiple RGB LEDs while using a minimal number of PWM pins on an Arduino? - Stack Overflow c++ - Hooking up multiple RGB LEDs while using a minimal number of PWM pins on an Arduino? - Stack Overflow](https://i.stack.imgur.com/GLrOI.png)