ITEM NAME:For Raspberry Pi 3 Module B HOED/Gat Plaat Prototyping Board PI3/PI2 HAT / A7Y9 For Raspberry Pi 3 Module B HOED/Gat Plaat Prototyping Board PI3/PI2 HAT / A7Y9 For Raspberry Pi 2 model B prototyping board, compatible with A + / B +. 0.1 inch (2.54mm) prototype chip resistors LED, potentiometer, etc. + 3 V, 5 V + and GND hole Add a chip such as EEPROM may SO8 Design Your Own Expansion, Highly Customized Circuit to Dress Up Your Personal PI 2, A +, B + Using 0.1inch (2.54mm) prototype welding hole connection chip, resistance, LED, potentiometer and so on. All holes, imitate the familiar breadboard connection, easy to use. There are long bars for the +3 V, +5 V and the ground connection line. It comes with a printed circuit board and a 2 x 20 gold-plated female header, mounted on the top of your raspberry pie (like a cute little hat ...) This version does not come with EEPROM, so you do not need to worry about EEPROM address conflicts. You can use the standard 2 x 20 row female. This HAT Shields is only compatible with Raspberry Pi A +, B + or PI 2! It will not support Raspberry Pi A and Raspberry Pi B. Can install ID: EEPROM, Official Foundation Tutorial: https://github.com/raspberrypi/hats Package Contents: 1 x HAT-tunnel panel 1 x 2 * 20 high-ranked female 4 x Screw 4 x Nuts 4 x pillars Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.