求助各位大佬我想用4个npn晶体管改变电流方向
代码图片链接如下，请问我怎么改才可以通过这四个能起到改变电流方向的目的，虽然我也想用h桥:(int temp = 0;
int Tempstatus;
int right=3;
int left=2;
float voltage;
float TempCelcius;
void setup ()
{
Serial.begin(9600);
pinMode (temp,INPUT);
pinMode (right,OUTPUT);
pinMode (left,OUTPUT);
}
void loop ()
{
Tempstatus = analogRead (temp);//Math functions to converse analog signal to voltage signal
voltage = (Tempstatus/1023.0)*5.0;
TempCelcius = (voltage-0.5)*100.0;
if(TempCelcius >= 10 && TempCelcius <40)
{digitalWrite(3,LOW);
digitalWrite(2,LOW);
}
if (TempCelcius >= 41 && TempCelcius <=49)
{digitalWrite(3,LOW);
digitalWrite(2,LOW);
}
if(TempCelcius >= 50)
{digitalWrite(3,LOW);
digitalWrite(2,HIGH);
}
if (TempCelcius < 10)
{digitalWrite(3,HIGH);
digitalWrite(2,LOW);
}
}
https://www.tinkercad.com/things/3IixNxH9IzG-surprising-jaagub-habbi/editel?sharecode=O9vJ7ZEk-tq1WB35KuQ_Zosx4q6UO-S0ahi5dae2UoA
呃，不知道
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