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Hello Dave,
While working with the PCF8575 expander, I found out that I need to invert the bit logic, and I think such a support could be easy to add into the library.
As a reference, I found an…
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i have a 5x4 keypad.
anyway to intigrate that !!
like connect an extra row to ground / 5v on button press.
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not found how to use tone for music
since most of people able to write music are using tone or better nodelay ezBuzzer.h what seem to also include tone
how can i translate it for using multiple buzz…
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I need to poll several inputs to check if certain events take place and I use bursts of read() requests.
A read() from the PCF8575 takes ca. 300uS, but the main loop of the esp32 may run faster than …
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Hi, I am using a modular setup with an esp32, which may have one, two or three pcf8575 connected to the i2cbus.
Using a for-loop I always perform "reads" out of three pcf8575, expecting no valid data…
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ESP8266 Using I2C I/O expander worked great until I upgraded to kernel 3.0.2 in the ArduinoIDE.
Currently the screen is dead, the backlight does not turn on.
Adafruit_PCD8544 without expander works.…
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Hi. Is there a way to make exit on touch only apply to display and not i2c?
I2c update time is affecting the display vu meters. Makes it difficult to fine tune both, any way around this?
Thank y…
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### The problem
The output of pcf8574p is pulled up through 10K resistor into ULN2803 to control the relay. The current problem is that P0 ~ P4 cannot be controlled independently, P5 ~ P7 is normal, …
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https://github.com/sinara-hw/Kasli/issues/97
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Hi, thanks so much for this library!
As you mentioned "Please share your experiences.", I figured I post here about an issue I'm having.
Every now and then (about once every half minute on avera…