diff --git a/app/build.gradle b/app/build.gradle
index 49f34bb..65d7065 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "es.eoinrul.ecwt"
         minSdkVersion 23
         targetSdkVersion 29
-        versionCode 41
-        versionName "4.1"
+        versionCode 42
+        versionName "4.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/app/src/main/java/es/eoinrul/ecwt/SounderActivity.kt b/app/src/main/java/es/eoinrul/ecwt/SounderActivity.kt
index 4d8a358..fd37812 100644
--- a/app/src/main/java/es/eoinrul/ecwt/SounderActivity.kt
+++ b/app/src/main/java/es/eoinrul/ecwt/SounderActivity.kt
@@ -33,6 +33,15 @@ class SounderActivity : AppCompatActivity() {
         onTextEntered("E"); // Display and sound something - this is arbitrary
     }
 
+    // This will be called for connected USB/Bluetooth keyboards:
+    override fun onKeyUp(keyCode: Int, event: KeyEvent): Boolean {
+        val sequence = KeycodeToSoundSequence(keyCode)
+        mTextViewTest?.text = SequenceToString(sequence)
+        mSoundPlayer?.enqueue(sequence)
+        mKeyboardInput?.setText("") // Should be empty due to physical keyboard
+        return true;
+    }
+
     override fun onResume() {
         super.onResume()
         initSoundPlayer()
@@ -69,7 +78,8 @@ class SounderActivity : AppCompatActivity() {
 
     private var mSoundPlayer : DitDahSoundStream? = null;
 
-    // Utility to watch our EditText and handle any user input:
+    // Utility to watch our EditText and handle any user input
+    // This only seems to get triggered if we're using the software keyboard
     private val mInputHandler = object : TextWatcher {
         override fun afterTextChanged(s: Editable?) {
             if(s == null) {
diff --git a/fastlane/metadata/android/en-US/changelogs/42.txt b/fastlane/metadata/android/en-US/changelogs/42.txt
new file mode 100644
index 0000000..3ef08b0
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/42.txt
@@ -0,0 +1 @@
+Fixed a bug where Bluetooth/USB keyboards wouldn't work in sounder mode.