penerima

#include <ArduinoJson.h>

int in1 = 2;
int in2 = 3;
int in3 = 4;
int in4 = 5;

int lightll = 8;
int lightrr = 10;
int seinll = 9;
int seinrr = 11;

unsigned long previousMillis = 0; // will store last time LED was updated
const long interval = 500;        // interval at which to blink (milliseconds)
int ledState = HIGH;              // ledState used to set the LED
boolean state = false;

unsigned long previousMillis2 = 0; // will store last time LED was updated
const long interval2 = 500;        // interval at which to blink (milliseconds)
int ledState2 = HIGH;
boolean state2 = false;

const char* up;
const char* down;
const char* left;
const char* right;
const char* stop;
const char* lightoff;
const char* light;
const char* seinloff;
const char* seinl;
const char* seinroff;
const char* seinr;

void setup() {
  // Initialize Serial port
  Serial.begin(9600);
  while (!Serial) continue;

  pinMode(in1, OUTPUT);
  pinMode(in2, OUTPUT);
  pinMode(in3, OUTPUT);
  pinMode(in4, OUTPUT);

  pinMode(lightll, OUTPUT);
  pinMode(lightrr, OUTPUT);
  pinMode(seinll, OUTPUT);
  pinMode(seinrr, OUTPUT);

  digitalWrite(in1, LOW);
  digitalWrite(in2, LOW);
  digitalWrite(in3, LOW);
  digitalWrite(in4, LOW);

  digitalWrite(lightll, HIGH);
  digitalWrite(lightrr, HIGH);
  digitalWrite(seinll, HIGH);
  digitalWrite(seinrr, HIGH);
}

void loop() {
  JsonDocument doc;

  DeserializationError error = deserializeJson(doc, Serial);
  if (error) {
    Serial.print(F("deserializeJson() failed: "));
    Serial.println(error.c_str());
    return;
  }

  up = doc["up"]; // "up"
  down = doc["down"]; // "down"
  left = doc["left"]; // "left"
  right = doc["right"]; // "right"
  stop = doc["stop"]; // "stop"
  lightoff = doc["lightoff"]; // "lightoff"
  light = doc["light"]; // "light"
  seinloff = doc["seinloff"]; // "seinloff"
  seinl = doc["seinl"]; // "seinl"
  seinroff = doc["seinroff"]; // "seinroff"
  seinr = doc["seinr"]; // "seinr"

  if (up == "a") {
    digitalWrite(in1, HIGH);
    digitalWrite(in2, LOW);
    digitalWrite(in3, HIGH);
    digitalWrite(in4, LOW);
  }

  if (down == "b") {
    digitalWrite(in1, LOW);
    digitalWrite(in2, HIGH);
    digitalWrite(in3, LOW);
    digitalWrite(in4, HIGH);
  }

  if (left == "c") {
    digitalWrite(in1, LOW);
    digitalWrite(in2, HIGH);
    digitalWrite(in3, LOW);
    digitalWrite(in4, LOW);
  }

  if (right == "d"){
    digitalWrite(in1, LOW);
    digitalWrite(in2, LOW);
    digitalWrite(in3, LOW);
    digitalWrite(in4, HIGH);
  }

  if (stop == "e") {
    digitalWrite(in1, LOW);
    digitalWrite(in2, LOW);
    digitalWrite(in3, LOW);
    digitalWrite(in4, LOW);
  }

  if (lightoff == "f") {
    digitalWrite(lightll, HIGH);
    digitalWrite(lightrr, HIGH);
  }

  if (light == "g"){
    digitalWrite(lightll, LOW);
    digitalWrite(lightrr, LOW);
  }

  if (seinloff == "h") {
    digitalWrite(seinll, HIGH);
    digitalWrite(seinrr, HIGH);
    state = false;
    state2 = false;
  }

  if (seinl == "i") {
    digitalWrite(seinll, LOW);
    digitalWrite(seinrr, HIGH);
    state = true;
    state2 = false;
  }

  if (seinroff == "j") {
    digitalWrite(seinrr, HIGH);
    digitalWrite(seinll, HIGH);
    state2 = false;
    state = false;
  }

  if (seinr == "k") {
    digitalWrite(seinrr, LOW);
    digitalWrite(seinll, HIGH);
    state2 = true;
    state = false;
  }

  if (state) {
    Blink();
  } else {
    digitalWrite(seinll, HIGH); // ensure it's off in case it was still on
  }

  if (state2) {
    Blink2();
  } else {
    digitalWrite(seinrr, HIGH); // ensure it's off in case it was still on
  }
}

void Blink() {
  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;
    ledState = !ledState;
    digitalWrite(seinll, ledState);
  }
}

void Blink2() {
  unsigned long currentMillis2 = millis();
  if (currentMillis2 - previousMillis2 >= interval2) {
    previousMillis2 = currentMillis2;
    ledState2 = !ledState2;
    digitalWrite(seinrr, ledState2);
  }
}