Reviews Real Time Clock Chip Arduinos

ZYAMY 3pcs DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module

  • DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal..
  • RTC maintains seconds, minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year..
  • The clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format..
  • Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus..
  • The device integrates a very precise digital temperature sensor, On-chip power supply control circuit can automatically detect and manage the main and standby power (i.e., low-voltage battery) to switch between the power supply..
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DIY Glow Tube Clock Kit with Module Core Board, IN12 IN‑12 PCBA Digital Tube Clock Kit

  • Highlighted LED Dot Matrix Screen Display..
  • 4 kinds of transition animation select can change the time,temperature,data and week(Or time only mode)..
  • Using real time clock chip,data is not lost when power off with the backup battery(backup battery not include in the kit)..
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JLRKENG Hidden Spy Camera Wall Clock 1080P HD WiFi Clock Cameras Wireless Home Security Nanny Cam with Motion Detection Alarm Mini Video Recorder for Home and Office Surveillance

  • Wireless Hidden Spy Camera: Stylish and unique space silver frame wall clock hidden camera, the stability of the second hand movement ensures true silence. The 1920 * 1080P recording camera is built in at 10 o'clock, and can provide 4030 * 3024 HD shooting.180 degree manual lens adjustment. Concealment is the basic requirement of a spy camera, and the triangular concave design behind the camera can hang it anywhere. Whether it is a home, office, or factory, it is the best choice..
  • Wifi Real Time Viewing: As a camera manufacturer, we built the latest wifi chip in the hidden camera and equipped it with a professional APP to control the camera. Connect to your home network via APP. Thus enabling real-time video viewing and recording. Even if you leave home, you can still see what happens under the camera anytime, anywhere. Based on buyer feedback, we allow the APP to control multiple cameras. You can set your own password for each camera to prevent others from invading..
  • Taking into account the life of the wifi hidden camera. We make the camera and clock controlled by two different power sources. The clock can be controlled by a AAA battery. The hidden c....
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Adafruit ItsyBitsy M4 Express Featuring ATSAMD51

  • The Adafruit ATWINC1500 WiFi Breakout uses SPI to communicate, so with about 6 wires, you can get your wired up and ready to go. Right now the Atmel-supplied library works great with Arduino M0's and M4s but does not work on Uno (328P) and may not work on other Arduinos. You can clock it as fast as 12MHz for speedy, reliable packet streaming. And scanning/connecting to networks is very fast, a few seconds..
  • This module works with 802.11b, g, or n networks & supports WEP, WPA and WPA2 encryption. You can use it in Soft AP mode to create an ad-hoc network. For secure client connections, there is TLS 1.2 support in firmware 19.4.4!.
  • Since this is our new favoritest SPI-protocol WiFi module we've decided to make a little breakout for it. The breakout comes with level shifting on all the input pins so you can use it with 3V or 5V logic. A 3.3V voltage regulator that can handle the 300mA spikes lets you power from 3-5.5VDC..
  • There's also 3 LEDs that you can control over the SPI interface (part of the library code) or you can have controlled by the Arduino library. They'll light up when connected to an SSID, or transmitting data..
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uAttend CB6000 Employee Management Time Clock

  • Gain insights towards cost-effective scheduling with real-time overtime alerts when employees approach or meet overtime.
  • Streamline the payroll process when employees clock in or out with a swipe of the RFID card, sending real-time punches to the cloud.
  • Save time at the clock and use automatic deductions in place of punching for break or lunch.
  • Enforce the rules at the time clock by automating policies such as lockouts, shifts, and more.
  • Eliminate needless back and forth when employees request time off directly from the device.
  • Empower your employees to check hours worked, and view benefit accruals from the time clock.
  • Affordable monthly subscription required and includes lifetime free replacements and unlimited access to customer support Monday-Friday..
  • Be among industry leaders by offering your employees on-demand access to their earned wages for free with earlyPAY..
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Abnana DIY LED Clock Thermometer Matrix Desktop Holiday and Birthday Remind Kit (white)

  • Using DS3231 high precision clock chip(with temperature compensation)it can still accurately travel time after powered by backup battery(more accurate than the DS1302 clock chip)..
  • Two Touch Key input replace the physical keys, to prevent the long-term press damage. Long Touch the Menu key you can enter the Menu functions to prevent interference..
  • Three-color optional, you can choose Red,Blue and Green color..
  • Ideal digital clock DIY kit for electronics enthusiasts, easy to install..
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Ledgital Countdown Timer Cock, Digital Wall Clock for Conference/Church/Classroom/Gym with EMOM Timer, Large Wall Mount Digial Wall Clock with 12/24 Hour Display, w/IR Remote

  • Multiple Functional LED WALL CLOCK---Support 【Real Time Clock】【Countdown in hours minutes seconds】【Count up inhours minutes seconds】【EMOM】 and 【Stopwatch】.
  • 【REAL TIME CLOCK】Support 12/24 hour time display mode.
  • 【COUNTDOWN TIMER】Support Max 99 hours 59 minutes 59 seconds at most.Programmable any time to start between 99:59:59 and 00:00:00,stop at 00:00:00 or you stop it at other time.
  • 【COUNT UP TIMER】Support Max 99 hours 59 minutes 59 seconds at most.Programmable at any time to stop between 99:59:59 and 00:00:00,always start at 00:00:00.
  • 【STOPWATCH】Once- click on "stopwatch" button to run stopwatch function from 00:00:00..
  • Easy to operate the LED CLOCK with wireless IR remote control. You can set your real time, program your countdown or count up timer or run a stopwatch for your workouts easily by the remote from distance.You can also dim the brightness, disable/enable buzzer sound with remote. So,DON'T LOOSE YOUR REMOTE CONTROL!.
  • With 2.3" high character ultra bright LED and durable aluminum allow CLOCK housing and a perfect medium size of 15(w)x4(h)x1.6(d), you can use....
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Smart Watch for Men Women 2022 Upgraded Smartwatches 1.69\ Full Touchscreen Fitness Tracker Watch with Heart Rate/Blood Oxygen Monitor, Sleep Tracking, IP68 Waterproof, for Android iPhone iOS

  • ...TICAL GADGETS:10 sports modes are optional, including various outdoor and indoor activities, allow you to get the real-time stats during your workouts on the watch to help you to keep healthy habits.The smart watch have calories burned counter, steps counter, sleep monitoring and female cycle tracking.
  • TWO-WAY ALARM CLOCK：Watch and phone can set alarm clock（10 clocks) and edit memo at the same time,more practical and convenient.And another practical tools, such as stopwatch, timer,music controller, sedentary reminder, adjustable brightness.
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Abnana DIY Large Screen 6 Digit Two-Color LED Clock Kit Touch Control w Temp/Date/Week (blue)

  • Adopt real time clock chip, data will not lose when power off with the backup battery(not included)..
  • Sounds control function: you can wake it up by clapping your hands or knocking on the table..
  • Full-color LED changes colors automatically..
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Yosoo Multi-Functional 12V Car Auto LCD Digital Clock Thermometer Temperature Voltage Meter Monitor (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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Unity Henley Children's Learn The Time Wall Clock, 10-Inch, Pink

  • 【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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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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