Specifications: 2 in 1 USB2.0 OTG Card Reader Interface: USB + Micro USB Function: SD/Micro SD Card Reader, OTG Card

Connection Description: Red line connecting VCC (ramps of +) Connect the black wire GND (ramps of -) Green Line connection

Descriptions:  This module is ideally suited to adding a screen to your project. This is a 128 x 64 blue

Features: The module uses genuine quality relay, normally open interfaces Using SMD optocoupler isolation, driving ability, stable performance The module