Tag Archives: DS3231

Arduino Real Time Clock with Temperature Monitor

Hi guys, in one of our previous tutorials, we built a real-time clock with temperature monitor using the DS3231 and the 16×2 LCD display shield. Today, we will build an upgrade to that project by replacing the 16×2 LCD display with an ST7735 based 1.8″ colored TFT display.

Apart from changing the display, we will also upgrade the features of the project by displaying the highest and lowest temperature that has been measured over time. This feature could be useful in scenarios where there is a need to measure the maximum and minimum temperature experienced in a place over a particular time range.

This tutorial is based on the ability and features of the DS3231 RTC module. The DS3231 is a low power RTC chip, it has the ability to keep time with incredible accuracy such that even after power has been disconnected from your project, it can still run for years on a connected coin cell battery. Asides from its ability to accurately keep time, this module also comes with an accurate temperature sensor which will be used to obtain temperature readings during this tutorial.

Arduino Real Time Clock with Temperature Monitor – [Link]

Simple Arduino Data Logger

Schematics

A data logger is an electronic device or instrument that records data over a period of time. It allows the user to record time or location stamped data which can be viewed at a later time or real time.

Irrespective of the type of data being logged or the kind of data logger, these devices usually contain two main units, the sensor unit and the storage/communication unit. The sensor unit may involve the use of an external instrument or a sensor embedded within the device. Increasingly, but not entirely, data logging devices are becoming more based on micro processors and microcontrollers, which has opened up a whole new level of data gathering and storage.

Simple Arduino Data Logger – [Link]

Real Time Clock and Temperature Monitor using DS3231 Module

The DS3231 is a very low power RTC chip, it has the ability to keep time with incredible accuracy such that even after power has been disconnected from your product, it can run for years on a connected coin cell battery. This module has the ability to communicate via I2C or SPI but for this tutorial we will be using the I2C mode for communications between our arduino and the DS3231. The module also comes with a quite accurate temperature sensor which we will be using to get temperature readings. The collected temperature and clock data is then displayed on the 16×2 LCD via the Arduino.

Real Time Clock and Temperature Monitor using DS3231 Module – [Link]

Arduino Weather Station With E-Ink Display

Arduino Uno home weather station with e-ink display The hardware used for this project is:

  • Waveshare 4.3 e-ink display
  • Arduino Uno
  • Adafruit BME280 combined temperature, humidy and atmospheric pressure
  • DS3231 based hardware clock

Arduino Weather Station With E-Ink Display – [Link]

Real Time Clock On 20×4 I2C LCD Display with Arduino

Sometimes it may be necessary to use a display while making a hardware project, but the size and the type of the display may vary according to the application. In a previous project, we used a 0.96″ I2C OLED display, and in this project we will have an I2C 20×4 character display.

This tutorial will describe how to use 20 x 4 LCD display with Arduino to print a real-time clock and date.

Real Time Clock On 20×4 I2C LCD Display with Arduino – [Link]

Thermohygrometer with clock and LCD display on Arduino UNO

techrm @ instructables.com has a tutorial on a nice thermohydrometer:

These 7 steps will drive you through the “construction” of a thermo-hygrometer with clock on Arduino UNO.

Data and time, humidity and temperature will be shown on a LCD 16×2 display .If you have purchased a LCD display and want to know how to properly solder a pin header to it, take a look at our tutorial “Yet another tutorial on how to solder”.

Each step of this tutorial is independent from the others. So, if you are looking for an easy way to make your DS3231 work (for example) this tutorial is also suitable for you.

Thermohygrometer with clock and LCD display on Arduino UNO – [Link]

Adjusting clock with alarm, hygrometer & thermometer on 1.8″ ST7735 display

pb300160-600

Nicu Florica blogged about his adjusting clock with alarm, hygrometer and thermometer on 1.8″ ST7735 display:

I use feature from article Another adjusting clock with alarm & thermometer using DS3231 on 1.8″ ST7735 display and change reading internal temperature of DS3231 with DHT22 sensor (AM2302), but you can use a cheaper and not very precise DHT11 sensor.
By using educ8stv_rtctft160_alarm_dht.ino or much better educ8stv_rtctft160_alarm_eeprom_dht.ino sketch, on display you can see: name of day, date, hour clock, hour alarm, temperature and humidity

Adjusting clock with alarm, hygrometer & thermometer on 1.8″ ST7735 display – [Link]

Plotclock with a DS3231 Real Time Clock and an Arduino UNO

educ8s.tv uploaded a new video. This time is a plotter clock using DS3231 and Arduino.

Hey guys, I am Nick and welcome to educ8s.tv a channel that is all about DIY electronics projects with Arduino, Raspberry Pi, ESP8266 and other popular boards. Today we are going to build this Plot Clock, a device that does not use a display to tell the time, but it writes the time using a whiteboard marker. Let’s see it in action. Every minute, it erases the previous time, so it has a clear surface to write on, and then it writes the current time with the marker. Impressive isn’t it? The brains of this project is an Arduino Uno. I am also using a DS3231 Real Time clock module in order to keep the time. Let’s now see how to build this project.

Plotclock with a DS3231 Real Time Clock and an Arduino UNO [Link]

DIY Arduino ProMini Data Logger

New Dupont-jumper build of the basic data logger build for 2016
New Dupont-jumper build of the basic data logger build for 2016

Ed Mallon has details on his DIY ProMini data logger:

Typical pro-mini loggers built with this design sleep at 0.25mA, before extra sensors are added. At that current draw, the logger should deliver approximately six months of operation on three brand new AA batteries with a 15min duty cycle; depending on sensor load.

DIY Arduino ProMini Data Logger – [Link]

Arduino Touch Screen Music Player and Alarm Clock Project

speaker

Dejan Nedelkovski build an Arduino-powered MP3 Music Player plus Alarm Clock. The player has a 3.2″ TFT display and the home screen displays time, date and temperature along with touch control buttons.

In this project I will show you how you can make an Arduino Touch Screen MP3 Music Player and Alarm Clock. You can watch the following video or read the written tutorial below.

Arduino Touch Screen Music Player and Alarm Clock Project – [Link]