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

Magnetic Switch with magnet 1 × 29SAR
Small ON-OFF Switch 3pin PCB 2.54mm Pitch 1 × 4SAR
R301T Capacitive Fingerprint Module 1 × 173SARSubtotal: 206SAR
Magnetic Switch with magnet 1 × 29SAR
Small ON-OFF Switch 3pin PCB 2.54mm Pitch 1 × 4SAR
R301T Capacitive Fingerprint Module 1 × 173SARSubtotal: 206SAR
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