Top Real Time Clock Chip Arduinos

sb components USB RTC for Raspberry Pi, Real Time Clock Device DS3231 RTC Module for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W

  • USB Real Time Clock Module for Raspberry Pi.
  • Four GPIO lines that are configurable for GPIO Operations.
  • Battery Backup Input for Continuous Timekeeping.
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Sernast Exclusive Clock Real Madrid Club – Unique Item for Home and Office, Original Present for Every Occasion.

  • Exclusive design of clock football Real Madrid Club add the finishing touch to your home or office décor..
  • The clock football Real Madrid Club is made from high quality plastic which is flexible, easy, sturdy and with crystal clear image. This clock neither frame nor glass cover and it make our clock safe for kids..
  • Silent mechanism of clock football Real Madrid Club non-ticking mechanism to ensure silence and accurate time, afford a completely noiseless sleeping or working environment..
  • Battery operated and easy to install - Powered by one AA battery (not included). Back slot design offers easy installation,1 hook included..
  • Handmade clocks football Real Madrid Club makes an original present for your friends and family for birthday, wedding, anniversary, New Year, Christmas, and it show your knowledge about their hobbies and interests..
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Yosoo 12V Car Digital Thermometer Voltmeter Clock Alarm Monitor, Multifunctional Auto Meter Clock Voltage Freezing Temperature Gauge, Clock LCD Monitor Battery Meter Detector LED Display (Green)

  • 【Maintain Automobile by the Real Time Data】This Car Voltage Meter Clock Thermometer is a multifunctional clock with 4 in 1 function, including time, thermometer, voltmeter and backlight.It can inspect your automobile at real time effectively, there is alarm lamp to remind you to avoid icing may cause damage to your car as temperature lower freezing point. There are alarm voice and lamp to remind you to cheeking the storage battery as the voltage is excessive to too low. You can maintain your aut.
  • 【Special function : 】Time display (12 / 24hour), date display, dual temperature display, alarm clock, snooze function, frost alarm function, automobile storage battery voltage indicator function, LED backlight.
  • 【Blue / Green of backlight】Two colors blue / green of backlight for choice when the clock is powered by car cigarette lighter, there would be no backlight when it is powered by backup batteries..
  • 【Alert Car Battery's Voltage】Alert you to your car battery's voltage and its alarm sensor notifies you of excessive or under normal voltage operations.
  • 【Real Time Display】When it connects with car, its back light is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen.
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Retirement Countdown

  • Days Countdown Timer: It is helpful tools which announce how many days have left for an target event or activity.
  • Alarm Clock: Display the real-time clock time by 12 hours or 24 hours, remind the initial time and date as alarm clock. clock time range: 01/01/18....
  • Beep Sound: It will sound the beep ring to remind the countdown arrival and daily alarm.
  • the ring can be set as audible(ON) and silent (OFF) mode.....
  • Back Magnet: Attached back magnets to make good contact with any steel or iron interface such as refrigerator, oven..
  • Other Features: Battery replaceable(built-in 2 of CR2032 battery).
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Yosoo Multi-Functional 12V Car Auto LCD Digital Clock Thermometer Temperature Voltage Meter Monitor (Blue)

  • This Car Voltage Meter Clock Thermometer is a multifunctional clock with 4 in 1 function, including time, thermometer, voltmeter and backlight.It can inspect your automobile at real time effectively, there is alarm lamp to remind you to avoid icing may cause damage to your car as temperature lower freezing point. There are alarm voice and lamp to remind you to cheeking the storage battery as the voltage is excessive to too low. You can maintain your automobile by the real time data of voltage.
  • Special function : Time display (12 / 24hour), date display, dual temperature display, alarm clock, snooze function, frost alarm function, automobile storage battery voltage indicator function, LED backlight.
  • Two colors blue / green of backlight for choice when the clock is powered by car cigarette lighter, there would be no backlight when it is powered by backup batteries..
  • Alert you to your car battery's voltage and its alarm sensor notifies you of excessive or under normal voltage operations.
  • When it connects with car, its back light is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen.
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ADF4106BCP Integrated Circuits Clock Frequency Synthesizer PLCC 20LFCSP

  • 2 pcs. of Dallas Semiconductor DS1387 RAMified Real Time Clock.
  • DALLAS SEMICONDUCTOR RAMified Real Time Clock.
  • Length: 1.32" Width: 0.71" Height: 0.36".
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Elekstube IPS Nixie Tube Digital Clock Electronic Calendar 6 Bit LCD Time Photo Display Creative Retro Desk Decoration Gift, Best Boyfriend Gift

  • 【Combining Technology And Fashion】The Clock Has A Built-In Stable Chip, With Small Time Accuracy Error, Long Life, Rich And Clear Colors . Easy-To-Operate Buttons And Diy Design Make People Reluctant To Put It Down.
  • 【Built-In Full-Color Led, Rich Colors】There Are 16 Million Colors In The Rgb Clock, And Each Number Can Be Adjusted To A Different Color, Showing Your Unique Personality And Adding A Beautiful Landscape To Your Desktop.
  • 【Multiple Mode Adjustment】The Rgb Full-Color Clock Supports 9 Cool Display Modes, Which Can Be Switched Freely Through 4 Buttons To Meet The Needs Of Different Moments And Give Yourself A Good Mood Every Day..
  • 【Power-Off Memory Function】The Clock Is Powered By Usb, No Battery Is Required, And The Clock Has A Built-In Button Battery, So There Is No Need To Repeatedly Set The Time When The Power Is Disconnected In Time.
  • 【Beautiful Packaging】The Clock Comes With Beautiful Packaging, You Can Give It Directly As A Gift To Yourself, Friends, Family. And It'S An All-In-One Clock, You Don'T Need To Go Through The Tedious Installation Process..
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Dingdong Store DIY Electronic Clock kit 4 Digital Tube Multicolor LED time Week Temperature Date Display with Clear case Cover DIY sodering Project (Blue)

  • Reminder Before Soldering: This product is a soldering practice kit, and it need soldered by yourself. Please check all the components according the packing list before soldering..
  • The Clock Comes with English Instruction: If you have any questions about the product or need soldering steps instruction with picture, please feel free to contact us..
  • Multifunctional: The clock can be set to display time, temperature, date, week and alarm..
  • High Precision: The clock uses high-precision crystal oscillator, smart chip and with time correction function, all this make the clock with a more accurate precision..
  • Great Soldering Project Kit: The DIY Clock Kits are used to installed to a 4-Digit Digital Electronic Clock. It is widely used in schools to help students learn basic mechanical and electronic skills. It's a great Science Fair project..
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HongHao THINKHONGHAO Large Digital Wall Modern Clock Timer with Calendar Temperature for Living Room, Office, Meeting Room

  • 【6-inch Red LED Number with 8 Level Adjustable Brightness】6-inch numbers and time is long-distance readable and identity. It is good viewing experience indoor and suitable for anywhere because the LED is bright and easy to read. Some buyer complained the clock was too bright, now we have upgraded the 8 brightness adjustment, ensure the time is readable in the daytime and the display won't disturb your sleep at night. Auto dimmer will give a big help if you don’t want to control the clock..
  • 【Frameless and Ultra-thin Design】Unlike the other wall clock which has a thick border in the market, our brand wall clock using the shell which is redesign by us. The use of ABS plastic ensures that the wall clock is fire-retardant, lightweight and strong. There are two hanging holes and standback support for mounted the clock on the wall or place on the table..
  • 【Corded Electric and Energy Saving】Corded Electric is the best choice and the stablest power for this wall clock. As we have known, LED is very energy saving and long usage time, so our clock also has this advantage. 9.8 feet USB cable can plug in the laptop, PC, power bank. (we don’t recommend using the power bank.) There is a button cell CR2032 for backup time setting when the power sud....
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hand2mind Mini Geared Clock, Learning Clock, Kids Clock Learning, Teaching Clock, Telling Time Teaching Clock, Lean to Tell Time, Clock for Kids Learning to Tell Time, Clocks for Classroom (Set of 1)

  • CLOCK LEARNING FOR KIDS: Children learn to tell time with this easy to read 12 hour kids learning clock. Each school clock measures 4"..
  • LEARNING CLOCKS FOR KIDS TO TELL TIME: The moveable hands make it easy for kids to understand the relationship between hours and minutes. The learning time clock hands are color-coded, red hand is for hour and blue hand is for minute..
  • ANALOG CLOCK FOR KIDS: The internal gears maintain correct hour and minute relationships just like a real analog clock..
  • CLOCK FOR CLASSROOM: It encourage students to learn how to tell time with this hands-on geared clock faces by providing visual representation. This set includes 1 learning clock..
  • TEACHING CLOCK FOR KIDS LEARNING: The analog clock for kids learning includes stand to hold clock upright. The plastic clock is durable and easy to clean. Teaching time clocks are great for individual use, small groups, or centers..
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hand2mind Mini Geared Clock, Learning Clock, Kids Clock Learning, Teaching Clock, Telling Time Teaching Clock, Lean to Tell Time, Clock for Kids Learning to Tell Time, Clocks for Classroom (Set of 24)

  • CLOCK LEARNING FOR KIDS: Children learn to tell time with this easy to read 12 hour kids learning clock. Each school clock measures 4"..
  • LEARNING CLOCKS FOR KIDS TO TELL TIME: The moveable hands make it easy for kids to understand the relationship between hours and minutes. The learning time clock hands are color-coded, red hand is for hour and blue hand is for minute..
  • ANALOG CLOCK FOR KIDS: The internal gears maintain correct hour and minute relationships just like a real analog clock..
  • CLOCK FOR CLASSROOM: It encourage students to learn how to tell time with this hands-on geared clock faces by providing visual representation. This set includes 24 learning clocks and a storage container..
  • TEACHING CLOCK FOR KIDS LEARNING: The analog clock for kids learning includes stand to hold clock upright. The plastic clock is durable and easy to clean. Teaching time clocks are great for individual use, small groups, or centers..
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CHKOSDA Digital LED Wall Clock, Oversize Wall Clock with 6” Numbers, Remote Control Count up/Countdown Timer Clock, Auto Dimmer, Big Calendar and Thermometer(White)

  • 【6-inch LED Number with 8 Level Adjustable Brightness】6-inch numbers and time is long-distance readable and identity. It is good viewing experience indoor and suitable for anywhere because the LED is bright and easy to read. Some buyer complained the clock was too bright, now we have upgraded the 8 brightness adjustment, ensure the time is readable in the daytime and the display won't disturb your sleep at night. Auto dimmer will give a big help if you don’t want to control the clock..
  • 【Frameless and Ultra-thin Design】Unlike the other wall clock which has a thick border in the market, our brand wall clock using the shell which is redesign by us. The use of ABS plastic ensures that the wall clock is fire-retardant, lightweight and strong. There are two hanging holes and standback support for mounted the clock on the wall or place on the table..
  • 【AC Power and Energy Saving】Corded electric is the best choice and the stablest power for this wall clock. As we have known, LED is very energy saving and long usage time, so our clock also has this advantage. 9.8 feet USB cable can plug in the laptop, PC, power bank. (we don’t recommend using the power bank.) There is a button cell CR2032 for backup time setting when the power suddenly falls....
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