Aslam Ahamed / Mbed 2 deprecated PCF8574_I2C_4x4_Keypad

Hello World example for the PCF8574

Dependencies:   PCF8574 mbed

Fork of PCF8574_HelloWorld by Simon Ford

History

4x4 keypad interfacing through i2c to gpio expander IC (PCF8574) default tip

2015-05-20, by aslam [Wed, 20 May 2015 10:26:52 +0000] rev 2

4x4 keypad interfacing through i2c to gpio expander IC (PCF8574)

i2c_keypad_Test

2015-02-11, by aslam [Wed, 11 Feb 2015 07:46:38 +0000] rev 1

i2c_keypad_Test

2010-06-03, by simon [Thu, 03 Jun 2010 13:02:05 +0000] rev 0