Using NodeMCU ESP8266 for controlling switches (Relay). Uses RTC (Real Time Clock - DS3231) and NTP (Network Time Protocol) for maintaining time. OLED Display (128x64) ... nodemcu ntp-client lm35 ...

Sensor_Lib simplifies the use of various modules for Arduino and similar platforms, ... webserver ntp diy oled nodemcu-lua aquarium-controller aquarium-automation oled-display-ssd1306 ...

Arduino Relay Basics - How It Works and How to Use It. Posted: June 3, 2025 | Last updated: June 3, 2025. Hi, I'm Bill. I'm a software developer with a passion for making and electronics.