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make a digital clock using 4 bit TM1637 Led display module and DS3231 RTC module interfacing with Arduino uno - KT808

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Beschreibung

KIT INCLUDES:

  • Breadboard 400 points – 1
  • Jumper wires male to male – 40 pieces
  • Jumper wires male to female – 40 pieces
  • Arduino uno with USB Cable – 1
  • 4 bit TM1637 display Module – 1
  • 9v Battery with DC Jack – 1
  • DS3231 RTC module - 1

HARDWARE REQUIRED
  • Breadboard 400 points – 1
  • Jumper wires male to male – 40 pieces
  • Jumper wires male to female – 40 pieces
  • Arduino uno with USB Cable – 1
  • 4 bit TM1637 display Module – 1
  • 9v Battery with DC Jack – 1
  • DS3231 RTC module - 1
SOFTWARE REQUIRED

Arduino IDE 1.8.5 (programmable platform for Arduino)

Click To Download :https://camblick.com/en/Main/Software

SPECIFICATIONS

DS3231 RTC MODULE

TM1637 display is a 4-digit seven segment display.TM1637 is a chip which is used for driving the 7-segment display.TM1637 has finds its applications on Digital Clock, Programmable Timer, Digital Thermometer, Decimal Counter, Stopwatches.

The TM1637 display has four pins:

CLK (Clock)

DIO (Data I/O)

Vcc

GND

As we know that Vcc and Gnd pin goes to 5v and Gnd in the Arduino board. The CLK and DIO pins should be connected to any of the digital pins on the Arduino board.

4 BIT TM1637 LED DISPLAY MODULE

Operating Voltage

3.3 V-5.5 V DC

Chip

DS3231

Pin no.

6

Operating Temperature Ranges

Commercial: 0°C to +70°C

Industrial: -40°C to +85°C

Power Consumption

Low

Accuracy ±2ppm

0°C to +40°C

Accuracy ±3.5ppm

-40°C to +85°C

I2C Interface

Fast (400KHZ)

Digital Temp Sensor Output

±3°C Accuracy
CIRCUIT CONNECTION

Ds3231

Gnd to gnd

Vcc to vcc

Scl to arduino scl

Sda to arduino sda

4digit display

Gnd to gnd

Vcc to vcc

Clk to dig 8

Dio to dig 9

CODE

https://camblick.com/document/d/e/2PACX1vRuncSCMJyLuw8YFadC0rUx5pgFJXXKvxpYKqufhl0yTbTtgq4IZM-SyVDOevFW8_73ygfx-ZjSllRv/pub

#include

RTC_DS3231 rtc;

#define CLK 8

#define DIO 9

TM1637Display display(CLK, DIO);

void setup () {

display.setBrightness(0xA);

display.setColon(true);

}

void loop () {

DateTime now = rtc.now();

int t = now.hour() * 100 + now.minute();

display.showNumberDec(t, true);

delay(1000);

}

WORKING

In this project we are using 4 digit display that will display clock on that using ds3231 rtc module that will display clock 24 hours on that 4 digit fnd display.