#include#include //引用SD卡读写官方库const int DataPin = 5;const int IRQpin = 3; //设置数据和时钟针脚File RecordFile; //定义文件写入String recordTemp="[Begin]";//监听的临时参数,每监听到一个键就加在此字符的后面,并设定每次监听的开头为[Begin]PS2Keyboard kbd; //PS2Keyboard 类实例化void...
#include <SPI.h> // 包含 SPI 库(SD 卡需要) #include <SD.h> // 包含 SD 库 #include <DHT.h> // 包含 DHT 传感器库 File dataFile; #define DHTPIN 4 // DHT11 数据引脚连接到 Arduino 引脚 4 #define DHTTYPE DHT11 // 使用 DHT11 传感器 DHT dht(DHTPIN, DHTTYPE);// 初始化 DHT ...
file.close() 关闭某文件 file.peek() 读取当前字节,但并不移动到下一字节 file.position() 获取“光标”在当前文件中的位置 file.print(date,FORMAT) 以某格式输出数据到文件 file.seek(position) 将“光标”移到某一位置 file.size() 获取文件大小 file.read() 读取1B数据 file.write(date/(buf,len)) ...
#include "FS.h" #include "SD.h" #include "SPI.h" void listDir(fs::FS &fs, const char * dirname, uint8_t levels){ Serial.printf("Listing directory: %sn", dirname); File root = fs.open(dirname); if(!root){ Serial.println("Failed to open directory"); return; } if(!root.is...
#include "user_interface.h" } void setup() { Serial.begin(115200); //also different from ordinary Arduino pinMode(13, OUTPUT); } //obtain input value from TOUT pin int getToutValue(){ int res = system_adc_read(); //get the TOUT value here ...
1.在Arduino IDE中,转到File > Examples > Adafruit Fingerprint Sensor Library > Fingerprint,然后将代码上传到Arduino开发板。 2.以9600的波特率打开串行监视器。您应该会看到以下消息: 3.在扫描仪中放置要识别的手指。 4.在串行监视器上,您可以看到与指纹匹配的ID。同时它也显示了信心值 – 信心值越高,表示该...
#include "SPI.h" //读取 SD card的SPI 文件 #define SD_ChipSelectPin 4 //设置CS 引脚 4 TMRpcm music; //设置音频播放对象 "music" int song_number=0; boolean debounce1=true; boolean debounce2=true; boolean play_pause; void setup(){ ...
#include<stdlib.h>#include<stdbool.h>#include<string.h>#include<math.h>#include<avr/pgmspace.h>#include<avr/io.h>#include<avr/interrupt.h>#include"binary.h"#ifdef __cplusplus extern"C"{#endifvoidyield(void);#defineHIGH0x1#defineLOW0x0#defineINPUT0x0#defineOUTPUT0x1#defineINPUT_PULLUP0x...
However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself ...
#include "SPIFFS.h" void setup() { Serial.begin(115200); if(!SPIFFS.begin(true)){ Serial.println("An Error has occurred while mounting SPIFFS"); return; } File file = SPIFFS.open("/test_example.txt"); if(!file){ Serial.println("Failed to open file for reading"); ...