DS3231 RTC Clock I2C ZS-042 Module

DS3231 RTC Clock I2C Module er en Real-Time Clock (RTC) -integreret kreds, og det I2C-modul, refererer sandsynligvis til en modulær version af DS3231, der let kan tilsluttes til mikrocontrollere og andre elektroniske enheder ved hjælp af I2C-kommunikationsprotokollen. DS3231 RTC-moduler bruges bredt i elektroniske projekter, der kræver nøjagtig tid, såsom ure, dataloggere, temperaturmålere og andre tidssensitive applikationer.

Tekniske detaljer:

Size: 38mm (length) * 22mm (W) * 14mm (height)
Weight: 8g
Operating voltage :3.3 – 5 .5 V
Clock chip: high-precision clock chip DS3231
Clock Accuracy :0-40 ℃ range, the accuracy 2ppm, the error was about 1 minute
Calendar alarm clock with two
Programmable square-wave output
Real time clock generator seconds, minutes, hours, day, date, month and year timing.
Chip temperature sensor comes with an accuracy of ± 3 ℃
Memory chips: AT24C32 (storage capacity 32K)
IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57
With rechargeable battery LIR2032, to ensure the system after power failure, the clock move any natural normal

Batteri kan købes her: (Medfølger ikke)

• CR2032 Batteri

#include <Wire.h>
#include <ds3231.h>

struct ts t; 

void setup() {
Serial.begin(9600);
Wire.begin();
DS3231_init(DS3231_CONTROL_INTCN);
/*----------------------------------------------------------------------------
In order to synchronise your clock module, insert timetable values below !
----------------------------------------------------------------------------*/
t.hour=12; 
t.min=30;
t.sec=0;
t.mday=25;
t.mon=12;
t.year=2019;

DS3231_set(t); 
}

void loop() {
DS3231_get(&t);
Serial.print("Date : ");
Serial.print(t.mday);
Serial.print("/");
Serial.print(t.mon);
Serial.print("/");
Serial.print(t.year);
Serial.print("\t Hour : ");
Serial.print(t.hour);
Serial.print(":");
Serial.print(t.min);
Serial.print(".");
Serial.println(t.sec);

delay(1000);
}

Download

• Datasheet

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