Receiver.ino

/********************************************
date:      "24.05.2023"
author:    "DmitrijP1402"
filename:  "Receiver.ino"
********************************************/

void setup() {
  Serial.begin(9600); // Start the Serial Monitor

  pinMode(2, INPUT); // Set digital pins 2-10 as INPUT
  pinMode(3, INPUT);
  pinMode(4, INPUT);
  pinMode(5, INPUT);
  pinMode(6, INPUT);
  pinMode(7, INPUT);
  pinMode(8, INPUT);
  pinMode(9, INPUT);
  pinMode(10, INPUT);
}

void loop() {
  byte startbit = digitalRead(10); // Read the status of the start bit

  if (startbit == 1) {
    byte receivedByte = 0; // Set start bit to 0

    receivedByte |= digitalRead(9) << 0; // Store received bits in a byte
    receivedByte |= digitalRead(8) << 1;
    receivedByte |= digitalRead(7) << 2;
    receivedByte |= digitalRead(6) << 3;
    receivedByte |= digitalRead(5) << 4;
    receivedByte |= digitalRead(4) << 5;
    receivedByte |= digitalRead(3) << 6;
    receivedByte |= digitalRead(2) << 7;

    char receivedChar = (char)receivedByte; // Convert byte to ASCII

    Serial.print(receivedChar); // Output ASCII/Text
    delay(100);
  }
}