USB ASP AVR ATMEL USBasp Programmer for ATMEL Processors
USB ASP AVR ATMEL USBasp Programmer for ATMEL Processors السعر الأصلي هو: 175.00 EGP.السعر الحالي هو: 160.00 EGP.

DS1302 RTC Real Time Clock Module

السعر الأصلي هو: 70.00 EGP.السعر الحالي هو: 53.00 EGP.

The RTC DS1302 trickle-charge timekeeping chip module with battery backup contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds,minutes, hours, day, date, month, and year information.

SKU: RTCMOD DS1302 Green Categories: Tags: , ,
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DS1302 RTC Real Time Clock Module

RTC DS1302 is DALLAS company launched a trickle charge clock chip, containing a real-time clock/calendar and 31 bytes of static RAM, communicating through serial interface simple and single-chip microcomputer. The real-time clock/calendar circuit provides seconds, hours, days, weeks, months, years of information, a number of days in the month and leap year can automatically adjust. The clock operation instructions through the AM/PM decided to use 24 or 12-hour format.

Between DS1302 and single-chip microcomputer can simply use synchronous serial communication method, only three lines:
(1) RST
(2) I/O reset the data line
(3) SCLK serial clock.

Clock /RAM read/write data to a byte character set or as many as 31-byte communication. DS1302 work power consumption is very low to keep the data and clock information when power is less than 1mW

Wiring method (to provide procedures, for example, can pick up any IO port, in the procedure to modify the port definitions :

VCC:+5V/3.3V
GND: GND
CLK: P02
DAT: P01
RST: P00

Note:

1.VCC and GND do not reverse, so as not to burn the chip
2.51 SCM P0 port to receive a pull-up resistor, if your computer is not connected pull-up resistor, the data can be the string to the other port.


Specifications and Features:

  1. The real-time clock counts minutes, seconds, date, hours, month day of the week, year and leap-year compensation up to 2100.
  2. 318 temporary data storage RAM
  3. Working current of 2.0V, less than 300nA
  4. Read / Write clock or RAM data with two kinds of mode of single-byte transfer mode and multi-byte character set
  5. 8 pin DIP package or optional 8 pin SOIC package based on the surface assembly
  6. Simple 3 wire interface
  7. Compatible with TTL Vcc=5V
  8. Double power supply pipe for main power and backup power supply.

Useful Links:

Arduino DS1302 Real Time Clock 
Using the Real-Time Clock module on Raspberry Pi


Package Includes:

1 x DS1302 RTC Real Time Clock Module

Input Supply Voltage (VDC) 3.3
Operating Voltage (VDC) 2V ~ 5.5
Operating Temperature (°C) -40 to 85
Storage condition (℃) -55 to 125
Length (mm) 43
Width (mm) 23
Height (mm) 13
Weight (gm) 9
Shipment Weight 0.014 kg
Shipment Dimensions 6 × 3 × 2 cm

14 Days Warranty

This item is covered with a standard warranty of 14 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Micro Ohm customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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