diff --git a/brew-buddy-firmware/project.properties b/brew-buddy-firmware/project.properties
index 955c1b8..7e6d121 100644
--- a/brew-buddy-firmware/project.properties
+++ b/brew-buddy-firmware/project.properties
@@ -5,3 +5,4 @@ dependencies.Adafruit_ILI9341_RK=1.2.1
 dependencies.Adafruit_ImageReader=1.0.8
 dependencies.MQTT-TLS=0.2.20
 dependencies.JsonParserGeneratorRK=0.0.6
+dependencies.Debounce=0.0.1
diff --git a/brew-buddy-firmware/src/brew-buddy-firmware.cpp b/brew-buddy-firmware/src/brew-buddy-firmware.cpp
index f242d62..8bfd6ff 100644
--- a/brew-buddy-firmware/src/brew-buddy-firmware.cpp
+++ b/brew-buddy-firmware/src/brew-buddy-firmware.cpp
@@ -136,6 +136,7 @@ unsigned long fermentationStartTime = 0;
 QueueArray<long> knockArray;
 float fermentationRate = 0; // knocks per ms
 unsigned long lastKnock;
+#define KNOCK_INTERVAL 50
 
 String messageBase = "bb/";
 
@@ -184,7 +185,7 @@ void setup()
 
   // Check and display the battery level
   int battLevel = getBattPercentage();
-  //displayBattLevel(battLevel);
+  displayBattLevel(battLevel);
 
   waitUntil(Particle.connected);
 
@@ -240,7 +241,7 @@ void loop()
         waitUntil(Particle.connected);
         Particle.publish(messageBase + "ferment/state", "start");
       }
-      else
+      else if (millis() - lastKnock > KNOCK_INTERVAL)
       {
         knockArray.push(millis() - lastKnock);
         lastKnock = millis();
diff --git a/brew-buddy-firmware/src/brew-buddy-firmware.ino b/brew-buddy-firmware/src/brew-buddy-firmware.ino
index 59c3318..0085d82 100644
--- a/brew-buddy-firmware/src/brew-buddy-firmware.ino
+++ b/brew-buddy-firmware/src/brew-buddy-firmware.ino
@@ -101,6 +101,7 @@ unsigned long fermentationStartTime = 0;
 QueueArray<long> knockArray;
 float fermentationRate = 0; // knocks per ms
 unsigned long lastKnock;
+#define KNOCK_INTERVAL 50
 
 String messageBase = "bb/";
 
@@ -149,7 +150,7 @@ void setup()
 
   // Check and display the battery level
   int battLevel = getBattPercentage();
-  //displayBattLevel(battLevel);
+  displayBattLevel(battLevel);
 
   waitUntil(Particle.connected);
 
@@ -205,7 +206,7 @@ void loop()
         waitUntil(Particle.connected);
         Particle.publish(messageBase + "ferment/state", "start");
       }
-      else
+      else if (millis() - lastKnock > KNOCK_INTERVAL)
       {
         knockArray.push(millis() - lastKnock);
         lastKnock = millis();