  Tiny13 pinout:
 
1  PB5 - /RESET 
2  PB3 - used to configure center point 
3  PB4 - Servo wyjcie  
4  GND - Masa / minus
5  PB0 - Servo wejcie / MOSI 
6  PB1 - /MISO 
7  PB2 - /SCK 
8  VCC - +5V / zasilanie