名称 简介 1 LED简易LED模块 2 蜂鸣器（Buzzer）压电式蜂鸣器 3 0.96寸OLED显示屏128×64 点分辨率紧凑型显示屏 4 按键（Button）用于人机输入界面的按钮 5 旋转电位器用于人机输入接口的旋钮 6 光传感器检测周围的光强度 7 声音传感器检测周围的声音强度 8 温湿度传感器检测周围温度和湿度值 9 气压传感器检测周围大气压
void testProgram(){ for(int i=0;i<=13;i++){ digitalWrite(redLed,HIGH);digitalWrite(yellowLed,HIGH);delay(500);digitalWrite(redLed,LOW);digitalWrite(yellowLed,LOW);delay(200);digitalWrite(buzzerpin,HIGH);}}实验现象：拓展实验：警报报警，由于在实验过程中，蜂鸣器没有找到，所有没有添加进去，当...
This is an Arduino buzzer module. It is widely used on your daily applications, like PCs, refrigerators, phones and so on. And you also can create many interesting interactive projects with this small but useful module.
The active buzzer has an internal source of oscillation, so it will be called as soon as it is energized.Program control is convenient vcc,gnd,io,那么io引脚需要接入一个digital引脚,并在代码中指出,设定引脚模式,同时,如果是使用digitalWrite(),那么High,LOW,交替出现才可响声 如果是使用tone(),则较为...
Arduino 412 ARDUINO SENSOR BUZZER 5V 5V + GND - Pin 9 S Example 1: Play Melody /* Play Melody * --- * * Program to play a simple melody * * Tones are created by quickly pulsing a speaker on and off * using PWM, to create signature frequencies.* * Each note has a frequency, ...
The module uses s8550 transistorFixed bolt holes for easy installation The active buzzer has an internal source of oscillation, so it will be called as soon as it is energized.Program control is convenient vcc,gnd,io,那么io引脚需要接入一个digital引脚,并在代码中指出,设定引脚模式,同时,如果是使用...
This step shows the port setting for the program uploads. The OpenCR/OpenCM9.04 should be connected to the PC via micro USB port. Select Tools → Port → COM1. CAUTION: The value ofCOM1may be different depending on the environment connected to the PC. ...
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The output is displayed using a LCD display and activates the buzzer when required. The RF transmitter module is designed to transmit the oxygen level data to the monitoring station. An additional circuit is added to indicate battery level. A red LED will glow if the battery level is low ...
The paper aims to design and implement a low cost and reliable quiz buzzer system with the help of Arduino and seven segment display for easier detection of contestants or participants during a school quiz or live television program. Quiz contests have become more famous nowadays and the buzzer...