RPI I2C GPIO Extend Board SKU:EP-0013

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Revision as of 20:19, 1 August 2016 by TaterLi (talk | contribs) (Created page with "=RPI I2C GPIO Extend Board= ==Description== 此主板主芯片是PCF8574,可以提供8位GPIO,并且可以通过Jumper选择地址,以便级联最多8块这个样的主板.并...")
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RPI I2C GPIO Extend Board

Description

此主板主芯片是PCF8574,可以提供8位GPIO,并且可以通过Jumper选择地址,以便级联最多8块这个样的主板.并且可以选择供电电压(5V 或者 3V).而且有效防止芯片过压导致原始树莓派IO烧毁. 警告:在Pi 3上表现不良,主要是WiringPi的库不支持此芯片.

Feature

1)扩展IO 2)支持5V 3V电平 3)I2C总线 4)Dimensions: 3.4cm × 4cm

Presentation


Package includes

  • 1x RPI B+ to B GPIO Downgrade Board

How to use

http://wiringpi.com/extensions/i2c-pcf8574/ 此处是教程,转载过来吧. 这里也有哦.http://www.52pi.net/forum.php?mod=viewthread&tid=745

Purchase Links

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52Pi Store

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