Finding the best ds1302 clock module suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.
Reviews
1. TOOGOO(R) DS1302 Clock Module with Battery Real-Time Clock Module RTC for Arduino AVR ARM
Feature
DS1302 real time clock moduleDALLAS DS1302 is the company launched trickle charge the clock chip, which contains a real-time clock / calendar and 31 bytes of static RAM.
via a simple serial interface to communicate with the microcontroller.
Real-time clock / calendar circuit provides seconds, minutes, hours, days, weeks, months, years of information, the number of days per month and leap year automatically adjust the number of days.
Clock operation by AM / PM indicator decided to use 24 or 12 hour format. DS1302 between the microcontroller can simply adopt the way synchronous serial communication port only used three lines: (1) RST Reset (2) I / O data lines (3) SCLK Serial Clock. Clock / RAM read / write data in a byte or up to 31 bytes of character set type communication. DS1302 work to maintain low power consumption data and clock information when power is less than 1mW
Description
* TOOGOO is a registered trademark. ONLY Authorized seller of TOOGOO can sell under TOOGOO listings.Our products will enhance your experience to unparalleled inspiration.TOOGOO(R) DS1302 Clock Module with Battery Real-Time Clock Module RTC for Arduino AVR ARM
DS1302 key performance indicators:
Real-time clock with energy calculations before 2100 seconds, minutes, hours, day, week, month, year capacity, as well as the ability to leap year adjustment
serial I / O ports such a way that a minimum number of pins
Wide operating voltage range 2.0 5.5V
2.0V, operating current of less than 300nA
Read / write clock or RAM data transfer mode, there are two single-byte and multi-byte transfer mode transmission character set
8-pin DIP package or an optional 8-pin SOIC surface mount package under
Simple 3-wire interface
Vcc = 5V and TTL compatible
Optional industrial temperature range of -40 to +85
Dual power tubes used for the main power supply and backup power supply
DS1302 real time clock module parameters are as follows:
PCB single panel, size: 44mm * 23mm * 1.6mm
With four positioning holes, diameter 3.1mm
Backup battery is genuine celestial CR2032, Voltage 3V, current 260mAh, non-rechargeable batteries.
Crystal 32.768KHz, Japan imported crystal, matching capacitance 6pF, size 2 * 6mm
DS1302 is made large 8-pin DIP chip, chip below IC socket for easy replacement and swap chips
Module operating voltage compatible 3.3V/5V, can be connected with 5V and 3.3V microcontroller
Working temperature: 0degree--- 70degree
4.3x 2.3cm
Package included:
1x DS1302 Module
1x CR2032 battery
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
2. SunFounder RTC DS1302 Real Time Clock Module for Arduino and Raspberry Pi
Feature
An NTC thermistor sensor is included, supporting high sensitivity.A comparator LM393 is contained, so it can output both digital and analog signals at the same time.
Include a potentiometer to adjust the threshold of detection.
Working voltage: 3.3V-5V; PCB size: 2.3 x 2.3 cm
High measurement accuracy with a wide range, good stability, and strong overload capacity. For more information, please refer to http://wiki.sunfounder.cc/index.php?title=RTC-DS1302_Module
Description
IntroductionAdopt the universal 32.768kHz crystal oscillator
With a button cell holder for LIR2032 rechargeable Li-ion battery
Use three lines (CE, I/O, SCLK) to synchronously communicate with CPU, or have a 3-wire interface; support clock signals or RAM data under a multi-byte mode (burst)
5-Pin anti-reverse cable included
Operating temperature: 0C ~ +70C
Power: less than 1mW (data and clock information stored)
Application
Hand-hold devices
Electronic watch
Electronic alarm
Component List
-1 x RTC-DS1302 module
-1 x 5-Pin anti-reverse cable
3. DS1302 REAL-TIME CLOCK MODULE / WITH BATTERY CR2032 (2 pcs)
Feature
manages all timekeeping functions: real-time clock counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap year31 x 8 battery-backed general-purpose RAM
Simple Serial Port Interfaces to most Microcontrollers: Simple 3-Wire Interface
TTL compatible: VCC = 5 V
single-byte or multiple-byte (burst mode) data transfer for read or write of clock or RAM data
Description
The DS1302 trickle-charge timekeeping chip 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. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator.
4. Diybigworld DS1302 RTC Real Time Clock Module (No Battery) for uno
Description
DS1302 RTC Real Time Clock Module (No Battery) for uno5. Vanpower DS1302 RTC 2-5.5V Real Time Clock Module For AVR ARM PIC Arduino(5pcs)
Feature
318 bit Temporary data storage RAM. Compatible with TTL/VCC=5V.Serial I/O port mode makes the least number of pins.8 pin DIP package or optional 8 pin SOIC package based on surface assembly.
Read / write clock or RAM data when there are two ways to send a single byte transfer and multi byte character set.
Dual power supply use for main power supply and backup power supply.
With Ability to calculate seconds, minutes, hours, days, weeks, months, and years before 2100, as well as the ability to adjust the leap year.
Description
Specifications:
Wide operating voltage RANGE: 2-5.5v
Operating current: 2.0V/hour<300nA
Working temperature: -40 +85
Locating hole diameter: 3.1mm
Battery: CR2032 Lithium Cell 3V Button cell(Not included)
Current: 260mAh
Quantity: 5pcs
PCB size: approx. 44*19*1.2mm/1.73*0.74*0.04''
Net weight: approx. 30g
Wiring Manual:
VCC +5V/3.3V
GND GND
CLK P02
Note:
VCC and GND can not be picked up, or it will burn the chip.
51 MCU P0 port need to connect the pull resistance, if you do not have a single chip connected to the pull resistance, you can connect the data cable to other ports.
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not reflect the actual color of the item.
Thanks for your understanding. 5 x Real Time Clock Modules
6. Ds1302 Real-Time Clock Module Real-Time Module Cr2302 Button Battery
Feature
New brand, high-quality real-time clock modules, CR2302 button battery of integrated FRI material is recommended here in particular.Offer second, minute, hour, day, date, month, year
Until the last day, a few months up to 31 days, including corrections for leap year, will be automatically taken into account.
If the operating voltage is 2.0 V, it is less than the current 300nA.
Description
Tin Specialize Online Store Snow Life Online store has been established as a retailer online company in North and South America. We understand the most importance of our customers, and the trust you put in us to bring the best value and service. Over 20 years later we continue to develop to be a value and service leader by pairing great product offerings with exceptional service. Thank you very much.
Shipping Information
...Enjoy fast and reliable shipping when you buy your products from various location depend on kind of item. Our ordering and shipping services are among the best in the industry due to short processing times and a centrally located warehouse. Most orders will be sent within 2-3 business days. And we expect that your item must arrive to you within 17-27 business days upon on your state and your country.
...But if your item doesn't arrive to you on time, you can message to us all the time. We are going to help you with our best.
Guarantee customer satisfy Description
You can open return request within 7 days after your item arrive to you , If you want to return item, you can message to us with picture that problem. We will give you the return address to you.
7. Upupo DS1302 Rotating LED Display Alarm Electronic Clock, Module Temperature Display
Feature
High quality plastic material, non-toxic, non-odor, durable.Large LED digits to display time, easy and convenient for reading.
The digital clock enables to set the accurate alarm time you want. It is a perfect fit for kids, students and adults alike
The non-ticking bedside alarm clock is capable of setting separate alarms for different wake-up or remind times, with a snooze functionality that allows the alarms to sound
perfect for deep sleepers, mild loss hearing, hearing impaired even deaf. Without snooze function, good kids training alarm clock and wake up for people who has trouble waking up. Good choice for decoration, perfect as a special present
Description
100% brand new and high quality?Item: Electronic Clock
?Size: 81mmx81mm
?Thickness:1.6mm
?Thickness: 1.6mm
?Material: FR4 Military Grade
?PCB board color: blue LED display: red
?Voltage Supply: 5V (Via mini USB interface, not by batteries)
?Other accessories: Four Studs for Module Consolidation
?Function:
1. Year, Month, Day, Time, Temperature Swtiches automatically, and the Interval time is 3-5 seconds.
2. Chime at the whole point: When you open the whole point timekeeping function, Chime at the whole point from 8:00 to 22:00. You also can turn off this function.
3. Alarm: With alarm in one channel, you can set the alarming time by random.
4. Temperature Alarm: When the ambient temperature is less than the minium setting temperature or higher than the maximum setting temperature, the module will alarm to remind you to turn on or turn off the air conditioning to keep your home with the moderate temperature.
5. Clock keep going when power down: After tune the preset time, even if power is off, power after that, no need to re-set the time.
6, LED display model: the outer LED display model with up to 10.
?Quantity: 1Pc
Note:
?Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
?And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you
Package includes(no retail package):
?1Pc x KIS3R33S Module(included 1Pc cell battery)
8. Value-Trade-Inc - DS1302 Rotating LED Display Alarm Electronic Clock Module LED Temperature Display
Feature
100% Brand new and High quality.Electronic tool equipment Smart-family, Repair tools for the Smart family, General electronic components, Electronic circuit board... The product as described in the picture.
Excellent quality, fast delivery, simple after-sales. We make every effort to provide customers with satisfactory service.
80% conventional orders will be delivered within 15-20 days.
Please note that the products are only offered by the brand: Value.Trade.Inc. Other sales people is not reliable.
9. FBlue RTC DS1302 Real Time Clock Module for Arduino AVR ARM PIC SMD
Feature
Clock operation by AM / PM indicator decided to use 24 or 12 hour formatClock / RAM read / write data in a byte or up to 31 bytes of character set type communication
DS1302 between the microcontroller can simply adopt the way synchronous serial communication port only used three lines
It contains a real-time clock / calendar and 31 bytes of static RAM, via a simple serial interface to communicate with the microcontroller
Real-time clock / calendar circuit provides seconds, minutes, hours, days, weeks, months, years of information, the number of days per month and leap year automatically adjust the number of days
Description
Features:Item Name: DS1302 Real Time Clock Module.
Color: Blue + Silver + Multi-Colored.
Material: PCB.
Weight: 0.28 oz (8 g).
Dimensions: 1.97 in x 0.98 in x 0.43 in (5*2.5*1.1cm)
Working temperature: 0- 70.
DS1302 work to maintain low power consumption data and clock information when power is less than 1mW.
DS1302 between the microcontroller can simply adopt the way synchronous serial communication port only used three lines: (1) RST Reset (2) I / O data lines (3) SCLK Serial Clock.
Simple 3-wire interface.
Serial I / O ports such a way that a minimum number of pins.
DS1302 real time clock module parameters are as follows:
PCB single panel, size: 44mm * 23mm * 1.6mm
With four positioning holes, diameter 3.1mm
Backup battery is genuine celestial CR2032, Voltage 3V, current 260mAh, non-rechargeable batteries.
Theoretical data retention time is more than 10 years!
DS1302 is made large 8-pin DIP chip, chip below IC socket for easy replacement and swap chips
Module operating voltage compatible 3.3V/5V, can be connected with 5V and 3.3V microcontroller
Note:
1. VCC and GND Do not reversed, it would burn the chip.
2. C51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines.
Package included: 1 x DS1302 Module
1 x CR2032 battery
