Need Help for MCP23017 #416
andi-riese
started this conversation in
General
Replies: 1 comment
-
|
https://github.com/Pi4J/pi4j-example-devices This is the link to the examples. You looked at the mcp23017 example and this uses every register in that chip. And thar chip has a great deal of function. I do have a simple use of that chip where i only wrote code for specific function. Maybe this is a starting point for you. |
Beta Was this translation helpful? Give feedback.
0 replies
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Uh oh!
There was an error while loading. Please reload this page.
-
Hi,
I use several MCP23017 on I2C bus 1 in my home automation system, which is currently still based on pi4j-v1. I would now like to switch to pi4j-v2.
Unfortunately, this is probably more complicated than I thought. I can't make sense of the example
.../pi4j-examples/pi4j-example-devices_not_used/src/main/java/com/pi4j/devices/mcp23017
Actually, I just need to know how to read or write a pin A0-A7 or B0-B7, or the registers in the MCP23017.
Can anyone help me?
Thanks in advance.
Andi
Beta Was this translation helpful? Give feedback.
All reactions