diff --git a/klingel_sender_nano_serial/klingel_sender_nano_serial.ino b/klingel_sender_nano_serial/klingel_sender_nano_serial.ino
index 19d7054..4e75517 100644
--- a/klingel_sender_nano_serial/klingel_sender_nano_serial.ino
+++ b/klingel_sender_nano_serial/klingel_sender_nano_serial.ino
@@ -1,6 +1,6 @@
 int ledPin = LED_BUILTIN;
 int buttonPin = 2; // Button connected to D2 and GND
-int flare_threshold = 30;
+int flare_threshold = 20;
 bool active = false;
 
 void setup() {