Raspberry Pi 1 Model B+/A+

4 x USB 2.0 sockets

10/100 BaseT Ethernet socket

HDMI video socket

RCA composite video socket

microSD card socket

Powered from microUSB socket

3.5 mm audio out jack

Header for GPIO and serial buses

Display Serial Interface (DSI) 15 way flat flex cable connector with two data lanes and a clock lane

Camera connector 15-pin MIPI Camera Serial Interface (CSI-2)