关于nrf24l01无线模块的一些问题想请教一下贴吧的大佬们

我是要做个遥控车用pwm调速但是是我用nrf24l01无线模块传输PWM数据的时候发送端和接收端的数据不一致

这是发送端的函数
#define _pin1 A0
#define _pin2 A1
#define _pin3 A2
#define _pin4 A3
int kzdianji;
int kzdianji2;
int kzduoji1;
int kzduoji2;
int kzduoji3;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
//pinMode(3,OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
kzdianji=analogRead(_pin1);
//kzdianji=map(kzdianji,540,1023,0,255);
//analogWrite(3,kzdianji);
if(kzdianji<340)
{
kzdianji2='w';
Serial.write(kzdianji2);
delay(50);
Serial.print(kzdianji);
delay(50);
}
else if(680<kzdianji)
{
kzdianji2='y';
Serial.write(kzdianji2);
delay(50);
Serial.print(kzdianji);
delay(50);
}
else
{
kzdianji2='x';
Serial.write(kzdianji2);
delay(50);
Serial.print(kzdianji);
delay(50);
}
}

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这是接收端的函数
void setup() {
// put your setup code here, to run once:
pinMode(3,OUTPUT);
pinMode(4,OUTPUT);
Serial.begin(9600);
}
void loop() {
// put your main code here, to run repeatedly:
if(Serial.available())
{while(!Serial.available());
int number=Serial.read();
while(!Serial.available());
char number2=Serial.read();
Serial.write(number);
if(number=='x')
{
digitalWrite(3,HIGH);
delay(50);
digitalWrite(3,LOW);
delay(50);
}
else if(number=='w')
{
digitalWrite(4,HIGH);
delay(50);
digitalWrite(4,LOW);
delay(50);
}
}
}