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I made some modifications for myself because I need a keypad of 10 rows and 8 columns
maybe an option to add this to your code??
byte colPins[COLS] = {-4, -5, -6}; //connect to the column pino…
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Hello
I have to use your own library for use 3 PCF8575.
my question is how do I control a pin without affecting the other 15-bit ?
for the address to each 8575 i instantiate 3 devices in sequenc…
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Find dev kits for parts in #3.
| Component | Part | Source …
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Hi,
I'm running ino on Fedora 20 and rawhide, trying to compile Ultimaker Marlin firmware.
I'm observing two things:
Some conditional includes from pdo file are included even when conditions are no…
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I have always found this a very very particular and amazing issue on the internet concerning the I/O expanders PCF8574 and PCF8575: _**nobody**_, but really _**nobody**_ uses the interrupt lines (pin …
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Many of the libraries have bad circup instructions, missing the `adafruit_` prefix, or using an incorrect name.
This is related to https://github.com/adafruit/cookiecutter-adafruit-circuitpython/issu…
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Hi,
Not an issue, but rather question.
I have a device based on ESP8266 where I use I2C expander PCF8575 to have more I/O.
CS_PIN input of SDCard reader is connected to one of expander output. I ca…
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Hi! It works but I see there is a problem on managing output bytes, I mean, is really messy..
I'm using a PCF8575 and it's easy to debug with it, it's a ver simple device, it has just open collect…
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### The problem
I am using a PCF8575 with all 16 pins configured as inputs. My testing (modifying the code with inline logging statements) indicates that PCF8574Component::setup() and PCF8574GPIOPi…
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Placeholder issue for discussion - not actively being worked on by me.