   Serial.print(cents,DEC);
   Serial.print(" ");
   Serial.print(time_remaining,DEC);
-  Serial.print(" ");
+  Serial.print(" sec");
   
   Serial.println("");
 

// Fubarino SD, Arduino IDE 1.6.7, chipKIT core 1.1.0

#define COIN_COUNTER 0 //PIN_INT1

volatile uint32_t pennies = 0;
uint32_t pennies_current = 0;
uint32_t pennies_last = 0;

int32_t time_s_per_cent = 10;
int32_t time_remaining  = 0;

// On Peek $0.20/kWh noon - 6pm
// Mid Peek $0.16/kWh 8am - 12pm, 6pm - 11pm
// Off Peek $0.14/kWh 11pm - 8am


{
  uint32_t start_ms = millis();
  uint32_t end_ms = start_ms + ms;
/*
  Serial.print(start_ms ,DEC);
  Serial.print(" ");
  Serial.print(end_ms,DEC);
  Serial.print(" ");
*/
  while( millis() < end_ms )
  {
    if( digitalRead(COIN_COUNTER) == LOW )
