奥地利微电子公司发布一款超小型、多路复用LED驱动器AS1116，扩展了其丰富的LED驱动器系列。AS1116的工作电压为单2.7V至5.5V，工作时最低仅需0.6mA供电电流，而关断模式下仅为200nA。 全球领先的通信、工业、医疗和汽车领域模拟集成电路设计者及制造商奥地利 ...

这是我基于四个 8x8 LED 点阵显示屏的滚动文本显示屏的扩展版本。 早期版本是在面包板上搭建的，虽然能完美工作，但不太坚固，一旦掉落组件容易松动。因此，我为电路设计了 PCB，并在过程中做了一些改进。 我精心设计了这个项目，以便父母或青少年能够 ...

8×8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller. 8×8 LED Matrix module have many applications in real life, such as ...

The circuit is driven by a MAX7219 IC that is being controlled through an Arduino microcontroller board, to create an 8X8 LED matrix. The connection of the LED matrix and the IC was done on a ...

Most of us have an 8x8 LED matrix from one of our Arduino kits. What can we do with them? This module investigates how to use these interesting devices. Along the way, we describe a fun electronics ...

[Michal Janyst] wrote in to tell us about a little project he made for his nephew in preparation for Halloween – a jack-o-lantern with facial expressions. Pumpkin Eyes uses two MAX7219 LED arrays, an ...