本文讲述了使用Arduino IDE对RP2040进行编程时，GPIO与pinMode的对应关系，和使用PWM功能时的注意点。 需注意函数pinMode的入参序号与实际GPIO不对应；需注意通过函数analogWrite最多输出16种PWM占空比，且周期均为2ms。 上一贴说到RP2040在Arduino Nano上的GPIO分布： 【Follow me ...

警告！！ 本项目中讨论的电路图仅用于教育目的。请注意，使用 220V 交流电源电压需要采取极端的预防措施，并应遵循安全程序。电路运行时，请勿触摸任何元件或电线。 就像我们在许多基于 Arduino 的家庭自动化项目中所做的那样，使用开关或使用某种控制 ...

So you finally decided to hop on the Arduino bandwagon and start making electronic projects as a fun hobby. As a beginner getting started with Arduino, your first instinct is typically to buy a ...

In this step-by-step tutorial, we're diving into the world of electronics and microcontrollers to create a personalized 8 by 8 LED matrix that can be controlled using an Arduino board In this ...

Discover the ultimate IoT powerhouse—Arduino Nano ESP32! Unleash creativity with C/C++ in Arduino IDE, or embrace MicroPython's simplicity. Wi-Fi, Bluetooth 5 LE, 16 MB Flash, LEDs, all in a compact ...

Deciding between PWM and DC case fans can be confusing, but it’s important for the optimal performance of your computer. In general, PWM fans are quieter, more controllable, and more durable than DC ...

If you are interested in building robots, then it is certain that you need to learn how to control the speed and direction of a DC motor, and in one of our previous tutorials, we did just that using ...

Arduino RFID technology works by using electromagnetic waves in the radio frequency spectrum for wireless communication and data transfer between RFID tags and readers. From supermarket anti-theft ...