USB shield – usb host shield
if you will not use External Power please be sure this jumpers are soldered as below :

so after soldering it will be like this image

CNC Shield Expansion Board + 4 DRV8825 1 × 183SAR
ESP8266 _ ESP-01 based on ESP8266 WiFi Module 1 × 35SARSubtotal: 218SAR
CNC Shield Expansion Board + 4 DRV8825 1 × 183SAR
ESP8266 _ ESP-01 based on ESP8266 WiFi Module 1 × 35SARSubtotal: 218SAR
if you will not use External Power please be sure this jumpers are soldered as below :

so after soldering it will be like this image

All Electronics Components
All Electronics Components
All Electronics Components
All Electronics Components
All Electronics Components
All Electronics Components
All Electronics Components
All Electronics Components