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

NodeMCU ESP8266 WiFi Lua Board, CP2102 1 × 53SAR
IR Remote Control+Receiver Module 1 × 37SAR
Advanced Kit for Arduino UNO Pojects 1 × 579SAR
CNC Shield Expansion Board + 4 DRV8825 1 × 183SARSubtotal: 852SAR
NodeMCU ESP8266 WiFi Lua Board, CP2102 1 × 53SAR
IR Remote Control+Receiver Module 1 × 37SAR
Advanced Kit for Arduino UNO Pojects 1 × 579SAR
CNC Shield Expansion Board + 4 DRV8825 1 × 183SARSubtotal: 852SAR
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