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制作过程：#include Arduino.h
#include Wire.h
#include Servo.h
#include SoftwareSerial.h

#include Nova_4DigitDisplay.h;

double angle_rad = PI/180.0;
double angle_deg = 180.0/PI;
double xjcd454564245;
#define A0 8
#define A1 9
#define A2 10
#define A3 11
#define S0 16
#define S1 17
#define S2 18
#define S3 19
#define M0 20
#define M1 22
#define M2 21
#define M3 23
#define C0 24
#define C1 25
DigitDisplay dis_C0=DigitDisplay(C0);



void setup(){
pinMode(S0,INPUT);
dis_C0.clear();

}

void loop(){

while(!(digitalRead(S0)))
{
xjcd454564245 = random(1,100);
dis_C0.displayNum(xjcd454564245);
delay(1000*1);
}

}