diff --git a/examples/companion_radio/main.cpp b/examples/companion_radio/main.cpp
index 4bc75a81e..839d49583 100644
--- a/examples/companion_radio/main.cpp
+++ b/examples/companion_radio/main.cpp
@@ -297,6 +297,7 @@ void loop() {
   ui_task.loop();
 #endif
   rtc_clock.tick();
+  board.loop();
 #ifdef HAS_EXTERNAL_WATCHDOG
   external_watchdog.loop();
 #endif
diff --git a/examples/kiss_modem/main.cpp b/examples/kiss_modem/main.cpp
index 5836a6941..44b2a3df0 100644
--- a/examples/kiss_modem/main.cpp
+++ b/examples/kiss_modem/main.cpp
@@ -113,7 +113,7 @@ void setup() {
   uint32_t start = millis();
   while (!Serial && millis() - start < 3000) delay(10);
   delay(100);
-#if defined(ESP32) && ARDUINO_USB_MODE
+#if defined(ESP32) && defined(ARDUINO_USB_CDC_ON_BOOT) && ARDUINO_USB_CDC_ON_BOOT
   Serial.setTxTimeoutMs(USB_TX_TIMEOUT_MS);
   Serial.setTxBufferSize(USB_TX_BUFFER_SIZE);
 #endif
@@ -149,6 +149,8 @@ void loop() {
     }
   }
 
+  board.loop();
+
   if ((uint32_t)(millis() - next_noise_floor_calib_ms) >= NOISE_FLOOR_CALIB_INTERVAL_MS) {
     radio_driver.triggerNoiseFloorCalibrate(0);
     next_noise_floor_calib_ms = millis();
diff --git a/examples/simple_room_server/main.cpp b/examples/simple_room_server/main.cpp
index 227ee2cbd..65fc55ef7 100644
--- a/examples/simple_room_server/main.cpp
+++ b/examples/simple_room_server/main.cpp
@@ -162,6 +162,7 @@ void loop() {
   ui_task.loop();
 #endif
   rtc_clock.tick();
+  board.loop();
 #ifdef HAS_EXTERNAL_WATCHDOG
   external_watchdog.loop();
 #endif