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Can I use the PCF8575 to reliably record short push-button commands to GND? Even if the program calls the read16() command more slowly. I use 16 buttons and the Arduino works at limit ;-)
It is not…
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Hello Peter,
I've spent the past few days trying to get to the bottom of an issue. I have a project I'm working on that monitors various IO Expander chips and it relies solely on interrupts to det…
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I wanted to cache/latch the current inputs in an array, because of the slow computer program in the Interrupt call.
Later, the data should be processed in the slow program one after the other (FIFO…
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Using KY-040 rotary encoders with this library causes a single detent clockwise or counter-clockwise to advance +4 or -4 respectively. Need to correct the accuracy other wise this library is not usefu…
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Hello,
Thanks for your nice library :-)
I try to use a pcf8575 for 16 inputs.
All the docs i have found say that the address are from 0x20 to 0x27 and in fact,
i find my default address at 0x2…
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**Describe the bug**
When i disable interrupts on the ESP32 before display.display() the program hangs up
**To Reproduce**
Remove the comment in Line 330, place comment in line 341
https://wokwi…
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## Do not report new issues related to this message, instead please comment on this issue with the logs that you see and the config for that component.
### The problem
```
[00:00:00][W][compone…
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Thanks for including an example of how to quickly poll the PCF8574 when reading a rotary encoder. This code is really useful if you are building a front panel display board with some rotary encoders a…
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### Checklist
- [x] The title of this issue is "to the point" and descriptive.
- [x] This issue describes what is happening.
- [x] This issue describes what components are affected (e.g. name of pl…
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Hello and thank you for your work,
while reading through the library code I noticed that you introduced include guards in a separate file called **PCF8575_library.h**.
Later the example files omi…