Non-blocking 20x4 LCD menu system with dual rotary encoders for APA Devices water treatment automation (AVR, ESP32, ESP8266, STM32)
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Updated
Sep 29, 2026 - C++
Non-blocking 20x4 LCD menu system with dual rotary encoders for APA Devices water treatment automation (AVR, ESP32, ESP8266, STM32)
Non-blocking ADS1015 + PCF8574AT sensing library for APA pool automation — pressure, AC current (RMS + power), solar irradiance, AUX voltage, tank-empty sensors, status LEDs and severity-matched alert buzzer patterns. Pure Wire.h, no external dependencies. AVR / ESP32 / STM32.
Automate APA pool systems using ADS1015 analog sensors and PCF8574AT I/O modules with this C++ library for AVR, ESP, and STM32 platforms.
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