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

2-Channel Logic Level Converter 3.3V-5V with 3.3V LDO

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

FT232 USB UART Serial Adapter 3.3V / 5V

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

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

10PCS Type A Female USB To DIP 2.54MM PCB Board Adapter Converter For Arduino