diff --git a/right/src/usb_report_updater.c b/right/src/usb_report_updater.c
index a7c826d..7710b85 100644
--- a/right/src/usb_report_updater.c
+++ b/right/src/usb_report_updater.c
@@ -285,6 +285,8 @@ static uint8_t secondaryRoleState = SecondaryRoleState_Released;
 static uint8_t secondaryRoleSlotId;
 static uint8_t secondaryRoleKeyId;
 static secondary_role_t secondaryRole;
+static bool simulateKeypresses = false;
+static bool sendChar = false;
 
 static void updateActiveUsbReports(void)
 {
@@ -319,6 +321,16 @@ static void updateActiveUsbReports(void)
         return;
     }
 
+    key_state_t *testKeyState = &KeyStates[SlotId_LeftKeyboardHalf][0];
+    if (!testKeyState->previous && testKeyState->current && activeLayer == LayerId_Fn) {
+        simulateKeypresses = !simulateKeypresses;
+    }
+
+    if (simulateKeypresses) {
+        sendChar = !sendChar;
+        ActiveUsbBasicKeyboardReport->scancodes[basicScancodeIndex++] = sendChar ? HID_KEYBOARD_SC_A : HID_KEYBOARD_SC_B;
+    }
+
     for (uint8_t slotId=0; slotId<SLOT_COUNT; slotId++) {
         for (uint8_t keyId=0; keyId<MAX_KEY_COUNT_PER_MODULE; keyId++) {
             key_state_t *keyState = &KeyStates[slotId][keyId];