Arduino Forum
i2c port expander PCF8574 as input
Forum 2005-2010 (read only)
Hardware
Interfacing
system
November 2, 2009, 4:10pm
11
@ Yot:
I assume
if(count = 1) {
in the code above is a typo?
show post in topic
Related Topics
Topic
Replies
Views
Activity
Using interrupt with PCF8574
Programming Questions
5
7786
May 5, 2021
Using the Phillips PCF8574A I2C as an INPUT? ( = e.g. a button.)
Microcontrollers
4
1770
May 6, 2021
PCF8574 Port expander
Programming Questions
7
1761
May 6, 2021
PCF8574 Port expander
Programming Questions
4
577
May 10, 2021
PCF8574AN port expander with LCD HD44780 problem
Interfacing
2
1096
May 6, 2021