Arduino Forum
KeyPad I2C
Other Hardware
Sensors
system
September 19, 2012, 8:30am
3
I have Arduino MEGA.
May be better to use the seven pins direcrly?
N
show post in topic
Related topics
Topic
Replies
Views
Activity
4x4 Keypad on I2C
General Electronics
3
7757
May 6, 2021
Problem with I2C Port expander and keypads 4x4
Programming
2
1986
May 5, 2021
Matrix Keypad with fewer pins?
Sensors
14
14191
May 6, 2021
Is it possible to use MCP23017 I2C 16 port expander and 4x3 keypad?
General Guidance
2
2551
May 5, 2021
Interfacing keypad,lcd,gps
General Guidance
5
2349
May 5, 2021