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

Jumber wires kit for breadboard U-shape
1 × 23 SAR
power supply for bread board 5v,3.3v
1 × 18 SAR
ATmega328 Mircocontroller
1 × 29 SAR
MEGA Board for Arduino Mega 2560 Projects
1 × 135 SAR Subtotal: 205 SAR
Jumber wires kit for breadboard U-shape
1 × 23 SAR
power supply for bread board 5v,3.3v
1 × 18 SAR
ATmega328 Mircocontroller
1 × 29 SAR
MEGA Board for Arduino Mega 2560 Projects
1 × 135 SAR Subtotal: 205 SAR
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