diff --git a/slave/slave/slave.c b/slave/slave/slave.c
--- a/slave/slave/slave.c
+++ b/slave/slave/slave.c
@@ -14,6 +14,7 @@
 #include "config.h"
 
 #include <stdio.h>
+#include <stdbool.h>
 #include <inttypes.h>
 #include <avr/io.h>
 #include <compat/twi.h>
@@ -35,11 +36,13 @@
 #include "lib/masterComm.h"
 #include "lib/watchdog.h"
 
+bool WDTreset = false;
 
 void micro_setup()
 {
 	// Generic microcontroller config options
 	sei();			// Enable interrupts
+	WDTreset = ((MCUSR & 0b00001000) > 0);	// Set variable if WDT reset occured
 	MCUSR = 0;		// Clear reset flags
 	wdt_disable();	// Disable WDT
 	_delay_ms(20);	// Power debounce
@@ -70,13 +73,15 @@ int main(void)
 
 	uint32_t lastLoop = 0;
 	
+	if(WDTreset) led_on(1);	// Turn on LED if WDT reset has occured
+	
 	// Serial output //DEBUG
 	char buff[128];						//Buffer for serial output //DEBUG
 	serial1_sendString("Starting Slave\r\n");	//DEBUG
 			
     while(1)
     {	
-		wdt_reset();
+		wdt_reset();	// Resets WDT (to prevent restart)
 		
 		// Master communication
 		masterComm_checkParser();	//Checks parser for data requests from master