树莓派OLED模块

概述

市面上很少能找到为树莓派量身定制的OLED屏幕，/在很多应用项目中，我们仅需要显示非常简单的一些信息，比如系统状态、IP等信息，/或者对便携性有较高需求，这时候用HDMI去接一个大屏幕明显不合适，一个小巧的OLED屏幕刚好能满足这种需求。

OLED Add-on是为树莓派量身定制的，板载一块0.96" 128*64 OLED屏幕，控制芯片为SSD1306，每一个像素点都可以通过SSD1306独立控制点亮或者关闭。

我们不仅仅只是提供一块可以方便的插在树莓派上面的板子，还为其配套提供了SDK，移植了Arduino上的驱动程序。安装完SDK后，就可以像在Arduino平台底下一样，非常轻松的驱动这块板子。

Features

• Customized for Raspberry Pi, plug and play without wiring
• 0.96" OLED with 128*64 pixels
• Stackable
• Coming with one Grove interface for Electronic bricks

Specification

PCB size	48.35mm X 48.47mm X1.6mm
Interface	RPI 26pins Interface X2,UART

Electrical Characteristics

Characteristics	Symbol	Min	Typ	Max	Unit
Power supply voltage	VDD	3	3.3	3.5	V
High input voltage	VIH	0.8XVDD	-	VDD	V
Low input voltage	VIL	0	-	0.2XVDD	V
Operation current for VDD	IDD	-	180	300	uA

Hardware

Pin Map

Pin Index	Pin Name	OLED 2864 pin	Description
1	3V3	-
2	5V	-
3	SDA	SDA
4	5V	-
5	SCL	SCL
6	GND	-
7	GPIO7		UART TXD
8	TXD
9	GND
10	RXD		UART RXD
11	GPIO0
12	GPIO1
13	GPIO2
14	GND
15	GPIO3
16	GPIO4	RST#
17	3V3
18	GPIO5
19	MOSI
20	GND
21	MISO
22	GPIO6
23	SCK
24	CE0
25	GND
26	CE1

Instruction

• Plug OLED add-on into Raspberry Pi and power it
• modify the file /etc/modprobe.d/raspi-balcklist.conf

modified codes as below

blacklist spi-bcm2708

blacklist i2c-bcm2708

• modify /etc/modules

add a line in the end as below:

i2c-dev

• reboot
• Download the SDK from this link: https://github.com/iteadsw/SDK and then install it
• Enter into the directory libraries/itead_SSD1306/examples/oled_Animation_Sample/, then compile and run this file oled_Animation_Sample.ino

Command as below to compile oled_Animation_Sample.ino

$ iteadcompile OLED oled_Animation_Sample.ino

Command to run this program

$ sudo ./OLED

• When the compilation is done, you can see a little man dancing on OLED.

Download

File:SCH IM140714003.pdf

Useful Link

https://github.com/iteadsw/SDK https://github.com/iteadsw/SDK/tree/master/libraries/itead_SSD1306