sketch_maychangshi1.ino: In function 'void loop()':sketch_maychangshi1:116: error: invalid operands of types 'int [3]' and 'float [3]' to binary 'operator*'sketch_maychangshi1.ino: At global scope:sketch_maychangshi1:125: error: 'import' does not name a typesketch_maychangshi1:127...
intledpin = 13; voidsetup() { pinMode(tonepin,OUTPUT); pinMode(ledpin,OUTPUT); length=sizeof(scale)/sizeof(scale[0]);//计算长度 } voidloop() { for(intx=0;x<length;x++) { tone(tonepin,scale[x]); digitalWrite(ledpin,HIGH); delay(500*durt[x]);//这里用来根据节拍调节延时,500...
previous definition of 'class DateTime' class DateTime { ^C:\Users\ADMINI~1\AppData\Local\Temp\arduino_modified_sketch_123359\sketch_may07a.ino: In function 'void loop()':sketch_may07a:196: error: 'class RTC_DS1307' has no member named 'set' RTC.set(RTC_YEAR,years);//设置年 ^sketch...
清单 10. 读取管脚 void loop() { // Take a reading from the Analog Pin val = analogRead(recvPin); switch (incycle) { case 0: if (val jump) { Serial.println(In Cycle); incycle = 1; } else { Serial.println(Out Of Cycle); } break; case 1: if (val jump) { code[0] = 1;...
#include"lwip/tcp_impl.h"voidsetup() {//put your setup code here, to run once:}voidloop() {//put your main code here, to run repeatedly:} v2 prebuilt mss636 and mss 1460 C:\ArduinoPortable\sketchbooks\_includelwip_tcp_implH\_includelwip_tcp_implH.ino:1:27: fatal error: lwip/...
(9, 10); void setup() { Serial.begin(9600); } void loop() { double sum = 0; for (int i = 0; i < 10; i++) sum += hx.read(); Serial.println(sum/10); } 下面是错误信息 Arduino:1.8.8 (Windows 10), 开发板:"Arduino/Genuino Uno" libraries\HX711\HX711.cpp.o (symbol ...
= WL_CONNECTED) { yield(); } } void loop() { Serial.println("Connected!"); } Contributor mhightower83 commented Mar 31, 2022 From: Serial.printf("SDK version: %s\n", system_get_sdk_version()); SDK version: 2.2.2-dev(38a443e) Contributor Author Flole998 commented Mar 31, ...
可以这样使用: ```cpp void buttonPressed(void) { // 处理按钮按下的逻辑 } void setup() { // 初始化代码 attachInterrupt(2, buttonPressed, FALLING); // 当引脚2的电平由高变为低时触发中断 } void loop() { // 主循环 // 在这里可以执行其他任务 } ``` 这样,当按钮被按下时,`buttonPressed...
IRrecvDemo.ino: In function 'void loop()': IRrecvDemo:23: error: redefinition of 'void loop()' sketch_jul26d:6: error: 'void loop()' previously defined here Multiple libraries were found for "IRremote.h" Used: D:\maitreya\Arduino\arduino-nightly\libraries\RobotIRremote ...
void loop() { } ^ C:\Users___\Documents\Arduino\sketch_nov18a\ESP_Email_Attachments.ino: In function ‘void smtpCallback(SMTP_Status)’: ESP_Email_Attachments:151: error: redefinition of ‘void smtpCallback(SMTP_Status)’ void smtpCallback(SMTP_Status status){ ^ C:\Users___\Documents...