diff --git a/src/main.c b/src/main.c
index 8eca28a..32ec491 100644
--- a/src/main.c
+++ b/src/main.c
@@ -3,6 +3,12 @@
 #include "avr/io.h"
 #include "zh_avr_160x_i2c.h"
 
+const static uint8_t triac_delay[100] PROGMEM = {0, 155, 153, 152, 150, 148, 147, 145, 144, 142,
+                                                 141, 139, 137, 136, 134, 133, 131, 130, 128, 127,
+                                                 125};
+
+uint8_t count = 0;
+
 // #define DEBUG
 
 #define BUTTON_I2C_ADDRESS 0x00
@@ -59,9 +65,25 @@ int main(void)
     stdout = &uart;
     xTaskCreate(system_setup_task, "system_setup_task", 107, NULL, tskIDLE_PRIORITY, &system_setup_task_handle);
 #else
-    xTaskCreate(system_setup_task, NULL, 107, NULL, tskIDLE_PRIORITY, NULL);
+    // xTaskCreate(system_setup_task, NULL, 107, NULL, tskIDLE_PRIORITY, NULL);
 #endif
-    vTaskStartScheduler();
+    // TCCR0A = 0x00;
+    // TCCR0B = 0x00;
+    // OCR1A = 53332;
+    // TCCR1B |= (1 << WGM12) | (1 << CS10);
+    // TIMSK1 |= (1 << OCIE1A);
+
+    DDRB |= (1 << PORTB5);
+
+    TCCR0A = (1 << WGM01);
+    TCCR0B = (1 << CS00) | (1 << CS02);
+    OCR0A = 200;
+    TIMSK0 = (1 << OCIE0A);
+    sei();
+    // vTaskStartScheduler();
+    for (;;)
+    {
+    }
     return 0;
 }
 
@@ -128,4 +150,13 @@ ISR(PCINT2_vect)
     {
         portYIELD();
     }
+}
+
+ISR(TIMER0_COMPA_vect)
+{
+    if (++count == 78)
+    {
+        PORTB ^= (1 << PORTB5);
+        count = 0;
+    }
 }
\ No newline at end of file