Arduino Real Time Clock Module (ZS-042) - Eli The Computer Guy

This is an easy to use library to add RTC to an Arduino.

• http://www.rinkydinkelectronics.com/library.php?id=73

// DS3231_Serial_Easy // Copyright (C)2015 Rinky-Dink Electronics, Henning Karlsen. All right reserved // web: http://www.RinkyDinkElectronics.com/ // // A quick demo of how to use my DS3231-library to // quickly send time and date information over a serial link // // To use the hardware I2C (TWI) interface of the Arduino you must connect // the pins as follows: // // Arduino Uno/2009: // ---------------------- // DS3231: SDA pin -> Arduino Analog 4 or the dedicated SDA pin // SCL pin -> Arduino Analog 5 or the dedicated SCL pin // // Arduino Leonardo: // ---------------------- // DS3231: SDA pin -> Arduino Digital 2 or the dedicated SDA pin // SCL pin -> Arduino Digital 3 or the dedicated SCL pin // // Arduino Mega: // ---------------------- // DS3231: SDA pin -> Arduino Digital 20 (SDA) or the dedicated SDA pin // SCL pin -> Arduino Digital 21 (SCL) or the dedicated SCL pin // // Arduino Due: // ---------------------- // DS3231: SDA pin -> Arduino Digital 20 (SDA) or the dedicated SDA1 (Digital 70) pin // SCL pin -> Arduino Digital 21 (SCL) or the dedicated SCL1 (Digital 71) pin // // The internal pull-up resistors will be activated when using the // hardware I2C interfaces. // // You can connect the DS3231 to any available pin but if you use any // other than what is described above the library will fall back to // a software-based, TWI-like protocol which will require exclusive access // to the pins used, and you will also have to use appropriate, external // pull-up resistors on the data and clock signals. // #include <DS3231.h> // Init the DS3231 using the hardware interface DS3231 rtc(SDA, SCL); void setup() { // Setup Serial connection Serial.begin(115200); // Uncomment the next line if you are using an Arduino Leonardo //while (!Serial) {} // Initialize the rtc object rtc.begin(); // The following lines can be uncommented to set the date and time //rtc.setDOW(WEDNESDAY); // Set Day-of-Week to SUNDAY //rtc.setTime(12, 0, 0); // Set the time to 12:00:00 (24hr format) //rtc.setDate(1, 1, 2014); // Set the date to January 1st, 2014 } void loop() { // Send Day-of-Week Serial.print(rtc.getDOWStr()); Serial.print(" "); // Send date Serial.print(rtc.getDateStr()); Serial.print(" -- "); // Send time Serial.println(rtc.getTimeStr()); // Wait one second before repeating :) delay (1000); }

• Arduino
• ZS-042

Previous

Arduino Modules – Log Temperature to SD Card Data Logging Module (HW-125)

Next

Arduino Modules – Real Time Clock Setup (DS3231)

Related Articles

Arduino

Arduino – Simple Webserver with Ethernet Shield

Eli the Computer Guy Arduino, Arduino - Ethernet Shield

Using an Ethernet Shield you can run a simple web server from an Arduino. Note: The Micro SD card must be formatted as FAT. Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 Arduino Ethernet Shield […]

*NEW

Arduino ArduCam – Motion Detection Spycam (PIR, RTC, SD)

Eli the Computer Guy *NEW, Arduino ArduCam

This project allows you to create a Motion Detection Spycam with a PIR Sensor, and ArduCam, and a Data Logging Shield with Real Time Clock. This project takes a pictures when motion is detected, saving […]

Arduino

Arduino Line Following Vehicle Using IR Sensors

Eli the Computer Guy Arduino, Arduino - Vehicles

You can use IR Sensors to create a line following vehicle with Arduino. When the IR Sensors go over electrical tape they read as if there is nothing in front of them. Functional Parts in […]

Be the first to comment

Leave a Reply Cancel reply

You must be logged in to post a comment.

DONATE

If you want to tip a few dollars for the education videos.

Search for: