Micro-SD Memory Card Adapter for Arduino with 3.3V-5V converter

FT232 USB UART Serial Adapter 3.3V / 5V

mini MP3 player module with microSD slot for Arduino etc.

FTDI Adapter FT232RL Module USB to TTL Serial 3.3V and 5V PRO Mini Arduino A3GS

Solderless MB102 Breadboard Power Supply Mini USB 3.3V 5V /DC 7-12V For Arduino

FT232RL 3.3V 5.5V FTDI USB 2.0 to TTL Serial Adapter Module Arduino Moni Port

5PCS USB Female Port Connector Breakout Board 5V Power 2.54mm Header for Arduino

5X USB Female Port Connector Breakout Board 5V Power 2.54mm Header for Arduino