added pinout screenshot

README.md

@@ -9,7 +9,7 @@ Hardware
 - [Raspberry Pi Zero W](https://hackerboards.com/board/raspberry-pi-foundation-raspberry-pi-zero-w-wireless)
 
 - A button connected to the Raspberry pi GPIO as shown in the schema to debounce noisy contacts  
-![kukuc-clock-schema](assets/kukuc-clock-schema.png) ![button-with-RC](assets/button_with_RC.png)
+![kukuc-clock-schema](assets/kukuc-clock-schema.png) ![button-with-RC](assets/button-with-RC.png)
 
 - USB speaker with a microphone e.g. [Jabra Speak 410](https://www.jabra.com/_/media/Jabra_VXi_Product-Documentation/Jabra-SPEAK-410-Series/technical-specifications/RevB/Jabra-Speak-410-Techsheet-A4-290420-Web.pdf)
 - microSD card 8GB
@@ -50,7 +50,9 @@ Configuration
 -------------
 
 Check your Raspberry pi board pin layout and make sure your button  matches with the GPIO pin `PIN = 27` from `kukuc-clock.py`
-> `pinout`
+
+`pinout`  
+![rpizero-pinout](assets/rpizero-pinout.png)
 
 Set the username and password for the Text-To-Speech API as `username:password`
 > `nano credentials.txt`