Hello everyone,
I’ve been working on a home automation project using ESP8266 (NodeMCU) and PCF8574 I/O expanders connected to relays.
So far, I have successfully managed to control multiple lights/bulbs dynamically – I can control 4 × PCF8574 modules = 32 I/Os (manual switch as well as the ...
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- Tue Sep 23, 2025 8:19 am
- Forum: General Discussion
- Topic: How to control ceiling fan speed with ESP8266 + PCF8574 (using normal regulator type control)?
- Replies: 0
- Views: 317