如何在您的项目中添加数码管在之前的项目中，我们已经展示了如何使用Arduino来控制LED矩阵。 但是，如果您的项目只需要显示数字，那么最好使用七段数码管。

首先，按照电路图把Arduino插接到面包板上，连接电阻器和电容器后接通5V电源。 其中，Arduino的#2数字引脚先通过一个330欧姆电阻器，再通过跳线连接到LED灯带中间的Din引脚。

Learn how to control and blink multiple LEDs using the MAX7219 driver with Arduino. A simple guide for beginners in ...

Do this before you sew anything onto your sweater just to make sure the LED string will correctly fit the pattern you drew. Start with the end of the string so the Arduino ends up at the bottom of ...

Recall the last time you tried to dim an LED using pulse width modulation. I am sure you have experienced the relationship between the duty cycle and the perceived brightness is not linear at all. The ...

8x8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller. 8x8 LED Matrix module ...

Sure, the physical build itself looks great, but it’s what [Michael] did with the firmware that impresses us the most. He’s using an Arduino Mega to drive the 7x7x7 cube and manages to … ...

Description: In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever ...

Bucking the downward trend [HansLuijten] provides an astoundingly thorough set of LED strip patterns in his comprehensive post titled Arduino LED strip effects.