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

Female DC 2.1mm Power Adapter to Screw Terminal Block
1 × 6 SAR
WeMos D1 ESP8266 Wifi Board
1 × 98 SAR Subtotal: 104 SAR
Female DC 2.1mm Power Adapter to Screw Terminal Block
1 × 6 SAR
WeMos D1 ESP8266 Wifi Board
1 × 98 SAR Subtotal: 104 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