diff --git a/sketches/doorbell-touch-esp32-32e/.arduino_config.lua b/sketches/doorbell-touch-esp32-32e/.arduino_config.lua
new file mode 100644
index 0000000..d49453c
--- /dev/null
+++ b/sketches/doorbell-touch-esp32-32e/.arduino_config.lua
@@ -0,0 +1,5 @@
+local M = {}
+M.board = 'arduino:avr:uno'
+M.port = '/dev/ttyUSB0'
+M.baudrate =115200
+return M
diff --git a/sketches/doorbell-touch-esp32-32e/Config.h b/sketches/doorbell-touch-esp32-32e/Config.h
index f612f47..3e3d021 100644
--- a/sketches/doorbell-touch-esp32-32e/Config.h
+++ b/sketches/doorbell-touch-esp32-32e/Config.h
@@ -40,7 +40,6 @@ static const int NUM_WIFI = sizeof(wifiNetworks) / sizeof(wifiNetworks[0]);
 #define BLINK_INTERVAL_MS      500
 #define STALE_MSG_THRESHOLD_S  600
 #define NTP_SYNC_INTERVAL_MS   3600000
-#define ALERT_TIMEOUT_MS       300000
 #define WAKE_DISPLAY_MS        5000
 #define TOUCH_DEBOUNCE_MS      300
 #define HEARTBEAT_INTERVAL_MS  30000
diff --git a/sketches/doorbell-touch-esp32-32e/DoorbellLogic.cpp b/sketches/doorbell-touch-esp32-32e/DoorbellLogic.cpp
index 32875db..9f62af2 100644
--- a/sketches/doorbell-touch-esp32-32e/DoorbellLogic.cpp
+++ b/sketches/doorbell-touch-esp32-32e/DoorbellLogic.cpp
@@ -232,7 +232,6 @@ void DoorbellLogic::transitionTo(DeviceState newState) {
       break;
     case DeviceState::ALERTING:
       _alertStart = now;
-      _alertStartEpoch = _lastEpoch;     // <-- ADD: record NTP time of alert
       _lastBlink = now;
       _blinkState = false;
       _screen.screen = ScreenID::ALERT;
diff --git a/sketches/doorbell-touch-esp32-32e/DoorbellLogic.h b/sketches/doorbell-touch-esp32-32e/DoorbellLogic.h
index 4a14be2..c13abd1 100644
--- a/sketches/doorbell-touch-esp32-32e/DoorbellLogic.h
+++ b/sketches/doorbell-touch-esp32-32e/DoorbellLogic.h
@@ -49,6 +49,11 @@ private:
   unsigned long _lastHeartbeat  = 0;
   bool          _blinkState     = false;
 
+  // Stale silence protection
+  time_t        _alertMsgEpoch      = 0;  // ntfy timestamp of the alert that started ALERTING
+  time_t        _lastParsedMsgEpoch = 0;  // ntfy timestamp of message currently being handled
+
+
   // Deferred status publish
   bool          _pendingStatus  = false;
   String        _pendStatusState;