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Hi,
Thanks for this interesting project - I can see pcf header file in devices but have no clue how to use it.
Do I change it in the UI files? I'm not programmer just Linux admin and C++ is rathe…
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Is it possible use this library with expander PCF8574 or similar I2C?
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**Describe the problem you have/What new integration you would like**
I have a PCF8575 that is currently used purely for inputs from momentary buttons, software polling seems extremely slow and d…
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Device name: e.g. Expander
Protocol: I2C
URL of example product: http://www.ti.com/product/PCF8574
https://www.openimpulse.com/blog/products-page/product-category/pcf8574-io-expansion-module/
Furt…
Misiu updated
3 years ago
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### The problem
A similar issue was present a long time ago, and has been fixed. Now it is the opposite way. Any output which is not inverted in the beginning of boot will go on for short time.
Fo…
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Hardware:
- Arduino MEGA 2560 R3
- 20x4 I2C LCD
- quad encoder (encA: 2, encB: 3, encBtn: 22)
1. Problem: [neu-rah/PCINT](https://github.com/neu-rah/PCINT) doesn't compile
Fix: https://forum.ar…
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Hello Dear Wolle!
If I understand correctly ESP32-audioI2S library allows connection of wired internet for example via modules like w5550 or similar.
Is it possible to use this module in your radio …
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**Describe the problem you have/What new integration you would like**
I'd like to get an implementation of LiquidCrystal's method [createChar](https://www.arduino.cc/en/Reference/LiquidCrystalC…
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Hi, I have an esp8266ex and a pcf8574at.
Now im trying to use the pcf8574 library but with no succes.
can you show me how I need to use it?
addr = 0x38
I want all the ports set to output so…
QDUNI updated
3 years ago
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I built a simple 4-button "keyboard" and had the idea of connecting it directly to the NodeMCU board. That is, without the intervening PCF8574. There seem to be just enough available pins: D3, D4, D5,…