diff --git a/linearclock/linearclock.ino b/linearclock/linearclock.ino
index 83ca443..ac75cc8 100644
--- a/linearclock/linearclock.ino
+++ b/linearclock/linearclock.ino
@@ -6,6 +6,7 @@
 
 #define NUM_LEDS 12
 #define DATA_PIN 4  // Change this to match your LED strip's data pin
+#define BUTTON_PIN 2  // Change this to match your LED strip's data pin
 #define BRIGHTNESS 25
 
 CRGB leds[NUM_LEDS];
@@ -17,17 +18,28 @@ int second=0;
 void setup() {
   FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
   FastLED.setBrightness(BRIGHTNESS);
-  
+
+  Serial.begin(115200);
+  pinMode(BUTTON_PIN, INPUT);
 
 }
 
 void loop() {
-  
+
+    int buttonState = digitalRead(BUTTON_PIN);
     uint8_t ledhour = (hour * NUM_LEDS) / 24;
     uint8_t ledmin =(minute * NUM_LEDS) / 60;
     uint8_t ledsec =(second * NUM_LEDS) / 60;
     for(uint8_t dot=0 ; dot< NUM_LEDS ; dot++) {
-      leds[dot].setRGB( 255*(ledhour==dot) , 255*(ledsec==dot), 255*(ledmin==dot));
+      if(buttonState == LOW ) {
+        
+        leds[dot].setRGB( 255*(ledhour==dot) ,
+        255*(ledsec==dot)+ 64 * ( (ledsec-1) ==dot ) + 16 *((ledsec-2)==dot),
+        255*(ledmin==dot));
+        
+      } else {
+        leds[dot].setRGB(0,0,0);
+      }
     }
   
    
diff --git a/linearclock/schema.svg b/linearclock/schema.svg
new file mode 100644
index 0000000..87a2243
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@@ -0,0 +1,414 @@
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