json 처리 아두이노

필요라이브러리

ArduinoJson by Benoit Blanchon

include 
 String a;
 DynamicJsonDocument doc(1024);
 void setup() {
   Serial.begin(9600);
 }
 void loop() {
   a = Serial.readString();
   a.replace("\n", "");
   if (a != "") {
     DeserializationError error = deserializeJson(doc, a);
     JsonArray array = doc.as();
     //Serial.print(a);
     //a={"ID":"abc","CMD":"STATUS"}
     String ID = doc["ID"];
     String CMD = doc["CMD"];
     Serial.println(ID);
     Serial.println(CMD);
   }
 }