ESP32-C3 automatic plant watering system using capacitive moisture sensor and DS3231 real-time clock. Logs watering history to Google Sheets document. Configurable and firmware upgradable via standalone WiFi Access Point and webserver.

DS2321 Driver for Pi Pico

Using NodeMCU ESP8266 for controlling switches (Relay). Uses RTC (Real Time Clock - DS3231) and NTP (Network Time Protocol) for maintaining time. OLED Display (128x64) for instant updates. A webserver for Manual Controls. Vast application including Aquariums and IOT related.

The project integrates an Arduino with a DHT11 sensor for measuring temperature and humidity, along with an RTC DS3231 module for maintaining real-time clock functionality. The Arduino periodically reads data from the DHT11 sensor and RTC module, calculates the heat index, and sends all data (including date, time, temperature, and humidity)

Arduino 24 Hours Clock using MAX7219 LED matrix,with selectable Fonts

An arduino nano - DS3231 RTC setup for setting an alarm at a precise time

RP-Pico C library for DS3231 RTC module.

This code will help to get date time values arduino related project without RTC_DS3231 Libarary and Only need Wire.h Library

An Arduino nano - DS3231 setup for displaying the current time