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+4x A4988 Stepper Motor Driver 1 × 172SAR
IR Remote Control+Receiver Module 1 × 37SAR
LilyTiny LilyPad CJMCU for Arduino projects 1 × 41SARSubtotal: 250SAR
CNC Shield Expansion Board+4x A4988 Stepper Motor Driver 1 × 172SAR
IR Remote Control+Receiver Module 1 × 37SAR
LilyTiny LilyPad CJMCU for Arduino projects 1 × 41SARSubtotal: 250SAR
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