diff --git a/ino/demo/demo.ino b/ino/demo/demo.ino
index d976c87..ac06f47 100644
--- a/ino/demo/demo.ino
+++ b/ino/demo/demo.ino
@@ -3,6 +3,7 @@
  * Prototype
  * Arduino Duemilanove
  * L298N shield V03
+ * https://traction-design.be/home/arduino-l298n-shield-v03-from-flamingoeda-com/
  * 
  * Pin 13 = motor A or coil A +
  * Pin 12 = motor A or coil A –
@@ -24,12 +25,12 @@ void setup() {
 
 void loop() {
   clockwise();
-  set_speed(50); 
+  set_speed(250); 
   delay(5000);
   brake();
   delay(2000);
   counter_clockwise();
-  set_speed(100);
+  set_speed(250);
   delay(5000);
   brake();
   delay(2000);