Course OK01 explains how to get started with the Raspberry Pi and how to enable the OK or ACT LED indicators near the RCA and USB ports. This indicator was initially designed to indicate the OK status but was renamed ACT in the second version of the Raspberry Pi. — Robert Mullins Acknowledgments Translated from … Read more
Click the above “Mushroom Cloud Creation” to follow us! 1. Overview A button switch, also known as a push button switch, was previously called a sensitive switch and is widely used in lights, socket switches, doorbells, and car central consoles. The introduction of button switches adds a layer of protection for electrical safety, making it … Read more
Click the “Mushroom Cloud Creation” above to follow us! 1. Overview Hello World is the first lesson in learning any programming language, but in Arduino learning, our Hello World is called Blink. What does Blink mean? It means to flash. In fact, Blink is a program that lights up the onboard LED on the Arduino … Read more
01 Abstract The commonly used chip for the Arduino development board is the AVR microcontroller series produced by Atmel. The most common one is the ATmega328P, which is widely used in the Arduino Uno development board. Developing AVR microcontrollers using the Arduino platform is very convenient. The Arduino IDE provides a very simple and user-friendly … Read more
Arduino UNO R4 WiFi (hereinafter referred to as UNO R4 WiFi) has updated its WiFi functionality, using the ESP32-S3 WiFi module for this upgrade. This module, launched by Espressif Systems, is a WiFi and Bluetooth module that enables remote control and monitoring of devices and data exchange with other devices. Next, let’s implement the updated … Read more
MAKER: emdee401／Translated by: Fun Endless Adding dynamic LED effects to music can enhance the immersive experience of listening to music. Here, I will create a super-sized 14-frequency audio spectrum analyzer using Arduino and the Si5351 clock signal generator. The LED strip (containing 280 LEDs) and acrylic board are the main components, with Arduino serving as … Read more