JSON serial echo serve, parse JSON object over serial, and resend it back.

json_serial_echo_server.ino

/*

  JSON serial echo server

  Parse JSON object over serial, and resend it back.

*/

#include <aJSON.h>

aJsonStream serial_stream(&Serial);

void setup()
{
  Serial.begin(9600);
}

void loop() 
{
  if (serial_stream.available()) {
    serial_stream.skip();
  }
  
  if (serial_stream.available()) {
    // Parse the fhe serial object if any
    aJsonObject *msg = aJson.parse(&serial_stream);
    // Print it
    aJson.print(msg, &serial_stream);
    Serial.println();
    // Delete it
    aJson.deleteItem(msg);
    }

}