Send pot value from slave to master and control pwm in master device

Projects Networking, Protocols, and Devices
1

I'm beginner in arduino. I have tried for a long time But I can't find any solution. How can i send pot value from slave to master?
Can anyone please help me.
My code is given below....
this code work properly work in #Tinkercad but not work when i simulate in protius..

// Master
#include<Wire.h>
void setup()
{
Serial.begin(9600);
Wire.begin();
pinMode(6, OUTPUT);
}

void loop()
{
Wire.requestFrom(8,1);
byte MasterReceive = Wire.read();

analogWrite(6, MasterReceive); //
}

// Slave
#include<Wire.h>

void setup()
{
Serial.begin(9600);
Wire.begin(8);
Wire.onRequest(requestEvent);
}

void loop(void)
{

}

void requestEvent()
{
int potvalue = analogRead(A0);
byte SlaveSend = map(potvalue ,0, 1023, 0, 255);
Wire.write(SlaveSend);
}

2

What happens when you try it on real hardware?

Why are you not waiting until there is data in the buffer?

3

master Always receive 255 value, i'm increase and decrease pot but value not change.
please give me a solution.

4

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