In embedded system development and some fun electronic projects, using C language to control a buzzer to play simple scores is a very interesting practice. It allows hardware to “sound”, adding lively audio effects to our creations. Today, let’s delve into how to achieve this fun functionality. 1. Working Principle of the Buzzer Buzzers are … Read more
Introduction In the previous article, I made a lantern that lights up when lifted, preparing decorations for the New Year. This article will focus on safety, creating a smoke alarm using a combustible gas detector. In daily life, smoke alarms are typically installed in areas with a high risk of fire, such as kitchens, laboratories, … Read more
Today, Teacher Cheng from the Mark Pen Design Study Abroad continues to bring knowledge about Arduino. In previous articles, many common sensors have been introduced, such as ultrasonic sensors, human infrared sensors, and photoresistors.This time we will talk about a slightly more complex module – the SD card module. Actually, when it comes to music … Read more