text: #include <Arduino.h>
  
  #ifndef CONSTANTS_H
  #define CONSTANTS_H
  
  extern String arduinoID; // JSON ID representing this Arduino (read from long-term memory)
  
  extern String A_O;
  extern String A_I;
  
  extern int safetyShutoffTimeMs; // Amount of time in ms before everything gets shut off if no message received
  
  #endif
  