diff --git a/examples/emulator.cpp b/examples/emulator.cpp
index 34716d2..97a8398 100644
--- a/examples/emulator.cpp
+++ b/examples/emulator.cpp
@@ -11,15 +11,19 @@ void signal_handler(int signum) {
     running = false;
 }
 
-int main() {
-    const int PIN_HOLD = 17;   // stays ON
-    const int PIN_BLINK = 27;  // toggles
+int main(int argc, char* argv[]) {
+    const int PIN_HOLD = 5;   // stays ON
+    const int PIN_BLINK = 6;  // toggles
     const double ON_INTERVAL  = 0.5;   // seconds
     const double OFF_INTERVAL = 0.5;   // seconds
 
     signal(SIGINT, signal_handler);
     signal(SIGTERM, signal_handler);
 
+    if (argc > 1) {
+        running = false;
+    }
+
     // Open the GPIO chip (0 = /dev/gpiochip0 on every Pi)
     int h = lgGpiochipOpen(0);
     if (h < 0) {