Top 9 Real Time Clock Module – Single Board Computers

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1. WayinTop

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WayinTop 2pcs DS3231 AT24C32 IIC RTC Clock Module Real Time Clock Module for Arduino

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WayinTop #ad - Safe enougha precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, provide a reset output. In addition, rst pin is monitored as generating a μP reset.

Extremely accurateds3231 16-pin memory chips - at24c32, extremely accurate I2C real-time clock RTC, with an integrated temperature-compensated crystal oscillator TCXO and crystal. Address and data are transferred serially through an I2C bidirectional bus. Two programmprovides programmable time-of day alarms and a calendar can be set to a square wave output. Complete clock calendarfunctionality including seconds, Month, Date, Hours, Minutes, Day, and Year, with Leap-Year Compensation Up to Year 2100. Real time clock chipthe ds3231rtc is used as a real time clock chip which keeps the time running even if the main power supply is off with the help of a battery.
BrandWayinTop #ad
ManufacturerWayinTop #ad
Height0.2 Inches
Length3.94 Inches
Weight0.05 Pounds
Width1.97 Inches
Part NumberFC#WYTP51

2. Geekstory

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Geekstory 5PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi

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Geekstory #ad - An interesting feature of ds3231 rtc ic is that it has integrated crystal oscillator and temperature sensor and hence you don’t have to connect an external crystal. If you need technical documentation, in the new page, please click “Geekstory”you can find "Sold by Geekstory" under Buy Now button, click “Ask a question” to email us.

The product documentation link cannot be displayed. About battery type: battery is not included, you can use CR2032 or LIR2032 battery. Clock chip: high-precision clock chip ds3231there are 3 different chips for this clock module, DS3231SN and DS3231M, DS3231N, we send it by randomly. It is a low cost, extremely accurate RTC IC with communication over I2C Interface. Voltage: 3. 3-5v, memory chips: aT24C32 storage capacity 32K. Feature: the ds3231 is an rtc ic developed by maxim integrated.
BrandGeekstory #ad
ManufacturerGeekstory #ad
Part NumberGR1201X5

3. HiLetgo

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HiLetgo 5pcs DS3231 AT24C32 Clock Module Real Time Clock Module IIC RTC Module for Arduino Without Battery

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HiLetgo #ad - Hiletgo ds3231 at24c32 clock module Real Time Clock Module. 5. 5 v. At24c32. Working voltage : 3. 3 -. Clock chip: high-precision clock chip DS3231M. Memory chips:.
BrandHiLetgo #ad
ManufacturerHiLetgo #ad
Part Number3-01-0435
Model3-01-0435

4. Makerfire

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Makerfire Raspberry Pi RTC Module Real Time Clock Module DS1307 Chip with Coin Battery

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Makerfire #ad - User manual: please get the link from the product description below. Set a serial port, ttl convenient way online debugging; RTC chip: DS1307; Battery: CR1220; Work Voltage: 5V. Faq--question: why does my rtc module running a wrong time when i reboot my Pi? Answer: Please do remember to disable the "fake hwclock" which interferes with the 'real' hwclock as following commands: sudo apt-get -y remove fake-hwclock sudo update-rc.

D -f fake-hwclock remove. The rtc module is specifically designed for raspberry pi. In order to offering a convenient way to debug, 3. 3v, rxd, there are five pin has been setup which are 5v, Txd on board.

There is a maxim ds1307 and cr1220 button cell on the board to keep the real time for a long time after the Raspberry Pi has it’s power off. There is a maxim ds1307 and cr1220 button cell on the board to keep the real time for a long time after the Raspberry Pi has it’s power down. It communicated with raspberry pi through i2c bus.
BrandMakerfire #ad
ManufacturerMakerfire #ad
Height1.57 Inches
Length1.57 Inches
Weight0.01 Pounds
Width1.57 Inches
Part NumberLYSB00ZOXWHK4-ELECTRNCS
ModelLYSB00ZOXWHK4-ELECTRNCS

5. Wishiot

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5PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi

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Wishiot #ad - Voltage: 3. 3-5v, memory chips: aT24C32 storage capacity 32K. It is a low cost, extremely accurate RTC IC with communication over I2C Interface.

An interesting feature of ds3231 rtc ic is that it has integrated crystal oscillator and temperature sensor and hence you don’t have to connect an external crystal. Clock chip: high-precision clock chip ds3231there are 3 different chips for this clock module, DS3231N, DS3231SN and DS3231M, we send it by randomly. About battery type: battery is not included, you can use CR2032 or LIR2032 battery. Feature: the ds3231 is an rtc ic developed by maxim integrated.
BrandWishiot #ad
ManufacturerWishiot #ad
Part NumberLS1201X5

6. BanKhok

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BanKhok Holdding DS3231 AT24C32 IIC Module Precision Real Time Clock Memory Module with a Temperature-Compensated Crystal Oscillator For Arduino

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BanKhok #ad - In addition, temperature-compensated voltage reference and comparator circuits are used to monitor VCC status, the / RST monitor pin can be used as a manual input to generate a μP reset. The integrated crystal oscillator improves the long-term accuracy of the device and reduces the number of components in the production line.

Provide two configurable calendar alarms and a configurable square wave output. Rtc saves seconds, month, day, hours, and year information. A very accurate digital temperature sensor is integrated inside, which can be accessed through the I2C * interface just like time. The working format of the clock can be 24 hours or a 12-hour format with / AM / PM indication. Months less than 31 days will automatically adjust the end of the month, including corrections for leap years.

The address and data are transferred serially through the I2C bidirectional bus. Ds3231 is a low-cost, high-precision i2c real-time clock rtc with integrated temperature-compensated crystal oscillator TCXO and crystal. Precise, detect power failures, provide reset output, and automatically switch to backup power when necessary. The module contains a battery input, date, minutes, which can maintain accurate timing when the main power is disconnected.
BrandBanKhok #ad
ManufacturerUSA #ad
Height3.94 Inches
Length1.18 Inches
Width4.72 Inches
Part NumberSL018
ModelSL018

7. Rasbee

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Rasbee Memory Real Time Clock Module Tiny DS1307 RTC I2C AT24C32 High Precision for Arduino AVR ARM

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Rasbee #ad - It can be cascaded to other I2C devices. Ds1307 clock pin to the outside. Package contents: 3 x memory real time clock module Tiny DS1307 RTC I2C AT24C32 High Precision.

Ds1307 based rtc need cr2032 battery, 24c32 32K I2C EEPROM memory. Hour: minutes: seconds am/pm. 1hz output pin. 56 bytes of non-volatile memory available to user. Day month, date - year,Accurate calendar up to year 2100 Fully charged, leads to the a ds1307 clock pin, it can provide the DS1307 timing 1, to provide the clock signal for the microcontroller. Two wire i2c interface. Item without battery, the ds1307 is accessed via the I2C protocol.
BrandRasbee #ad
ManufacturerRasbee #ad
Part NumberDS1307

8. WayinTop

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2pcs DS3231 AT24C32 IIC RTC Clock Module + 2pcs Micro SD Mini TF Card Adapter Reader Driver + 2pcs 0.96" IIC OLED LCD Screen LED 128X64 Display Blue + 10cm Jumper Wire, WayinTop Real Time Clock Kit

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WayinTop #ad - Complete clock calendarfunctionality including seconds, Month, Day, Date, and Year, Minutes, Hours, with Leap-Year Compensation Up to Year 2100. Micro sd mini tf cardeasy and cost-effective expansion of your for Arduino storage space via this SD card module.

Easy communication with the for Arduino SPI protocol. If you don't know how to use it, please contact us on Amazon to get the PDF tutorial. Lcd 128x64 display modulewith high resolution of 128 x 64 pixels, the built-in standard driver chip SSD 1306 already exists in the libraries of for Arduino, for Raspberry Pi and 51 Series, which makes programming very easy.

Clock module with no coin batterythe ds3231rtc is used as a real time clock chip which keeps the time running even if the main power supply is off battery isn't included. With 40pin jumper wire10cm 40pin male-to-female jumper wire is included in the package, with which you can easy to connect to other modules. The sd card module interface is a standard SPI interface.
BrandWayinTop #ad
ManufacturerWayinTop #ad
Height0.2 Inches
Length3.94 Inches
Width1.97 Inches
Part NumberFC#WYTP52

9. HiLetgo

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HiLetgo 2pcs DS3231 DS3231SN RTC Module Real Time Clock Memory Module V2.0 I2C with PinHeader

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HiLetgo #ad - Ds3231 ds3231sn rtc module real Time Clock Memory Module. Can provide precise year, month, hour, minute, day, second, in the morning and afternoon data. Use ds3231sn precision clock chip, built 32. 768 crystal.
BrandHiLetgo #ad
ManufacturerHiLetgo #ad
Part Number3-01-1628