diff --git a/devtimer.py b/devtimer.py
index 1bf61dc..23ab8ff 100755
--- a/devtimer.py
+++ b/devtimer.py
@@ -35,11 +35,12 @@
 TIME_CLK = 21
 TIME_DIO = 20
 
+BEEPER = 26                 # Piezo alarm device
 FOOTSW = 6                  # GPIO port to read footswitch state
 
 # General Constants
 
-BEEP = 30                   # Beep interval
+BEEP_INTERVAL = 30          # Beep interval
 CALIBRATION_OFFSET = 0.003  # Compensate for program overhead in master loop
 DEBOUNCE_TIME = 1.5         # In seconds
 MINUS = 16                  # Index of minus segment table lookup
@@ -237,7 +238,15 @@
 # Beep at the user at fixed intervals
 
 def beep():
-    print("Beep!")
+
+    for repeat in range(10):
+        wiringpi.digitalWrite(BEEPER, 1)
+        sleep(0.02)
+        wiringpi.digitalWrite(BEEPER, 0)
+        sleep(0.02)
+
+    if DEBUG:
+        print("Beep!")
 
 
 # Callback when footswitch is pressed
@@ -307,6 +316,8 @@
     # Setup the hardware
 
     wiringpi.wiringPiSetupGpio()
+    wiringpi.pinMode(BEEPER, wiringpi.GPIO.OUTPUT)
+    wiringpi.pinMode(BEEPER, wiringpi.GPIO.PUD_DOWN)
     wiringpi.pinMode(FOOTSW, wiringpi.GPIO.INPUT)
     wiringpi.pinMode(FOOTSW, wiringpi.GPIO.PUD_UP)
 
@@ -343,8 +354,8 @@
 
         # Beep periodically
 
-        if not elapsed_time % BEEP:
-            beep()
+        if RUNNING and not elapsed_time % BEEP_INTERVAL:
+            Thread(name="Beep", target=beep).start()
 
         if DEBUG:
             last = time()