if-else-ifstatement. Theifstatement Given below is the structure of anifstatement: If (conditional expression) { Body of the if statement } Theconditional expressioncan be anything that can result either in true or false. If the statement is true, the code in the body of the s...
The Arduino if else statement : Or how the Arduino makes decisions. Learn exactly how to write the "if else" code. Find out the different ways of using it - you don't always need the 'else' part. Find out the short way of writing 'if-else' (less brackets to write). learn about...
if 语句后可以跟可选的 else if ... else 语句,这对于使用单个if ... else if语句测试各种条件非常有用。 If…else if …else - 语法 if (expression_1) { Block of statements; } else if(expression_2) { Block of statements; } . . . else { Block of statements; } 1. 2. 3. 4. 5. ...
void loop() { delay(100); if ( S1() ) digitalWrite(LED1, 1); else digitalWrite(LED1, 0); } Test 1 Note: true = 1; false = 0. Or should I say any value except 0 is TRUE. Note the code above. An "if" statement has the general form of: if (condition) light_led1; els...
if (boolean expression) { statement(s) } else if (boolean expression) { statement(s) } else { statement(s) } 3.3 //(单行注释) Comments(注释) 注释用于提醒自己或他人程序是如何工作的。它们会被编译器忽略掉,也不会传送给处理器,不会执行,所以它们在Atmega芯片上不占用体积。 注释的唯一作用就是使...
if (boolean expression) { statement(s) } else if (boolean expression) { statement(s) } else { statement(s) } 3.3 //(单行注释) Comments(注释) 注释用于提醒自己或他人程序是如何工作的。它们会被编译器忽略掉,也不会传送给处理器,不会执行,所以它们在Atmega芯片上不占用体积。 注释的唯一作用就是使...
if...elseif...else语句执⾏顺序 例⼦ /*Globalvariabledefinition*/ intA=5; intB=9; intc=15; Voidsetup(){ } Voidloop(){ /*checkthebooleancondition*/ if(A>B)/*ifconditionistruethenexecutethefollowingstatement*/{ A++; } /*checkthebooleancondition*/ ...
if(booleanexpression) { statement(s) } elseif(booleanexpression) { statement(s) } else { statement(s) } 3.3 //(单行注释) Comments(注释) 注释用于提醒自己或他人程序是如何工作的。它们会被编译器忽略掉,也不会传送给处 理器,所以它们在 Atmega 芯片上不占用体积。注释的唯一作用就是使你自己理解或...
statement(s) } 条件语句 if(boolean expression) { statement(s) } elseif(boolean expression) { statement(s) } else { statement(s) } Comments 注释用于提醒自己或他人程序是如何工作的。它们会被编译器忽略掉,也不会传送给处理器,所以它们在Atmega芯片上不占用体积。注释的唯一作用就是使你自己理解或帮你...
29、atement(s) while (boolean expression); for (initialisation; termination condition; incrementing expr) statement(s) 条件语句if (boolean expression) statement(s) else if (boolean expression) statement(s) else statement(s) 3.3 /(单行注释)Comments(注释)注释用于提醒自己或他人程序是如何工作的。它...