SKU: 17234798136

Adafruit PiRTC - PCF8523 Real Time Clock for Raspberry Pi 3386

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Description

Adafruit PiRTC - PCF8523 Real Time Clock for Raspberry Pi 3386This is a great battery backed real time clock (RTC) that allows your Raspberry Pi project to keep track of time if the power is lost. Perfect for data logging, clock building, time stamping, timers and alarms, etc. Equipped with PCF8523 RTC, it works great with the Raspberry Pi and has native kernel support. Works perfectly with any Raspberry Pi (or similar single board linux computer) including the Pi 1, Pi 2, Pi 3, Pi Zero, A+, B+, Pi 4, etc. Fully


This is a great battery-backed real time clock (RTC) that allows your Raspberry Pi project to keep track of time if the power is lost. Perfect for data-logging, clock-building, time-stamping, timers and alarms, etc. Equipped with PCF8523 RTC, it works great with the Raspberry Pi and has native kernel support.

Works perfectly with any Raspberry Pi (or similar single board linux computer) including the Pi 1, Pi 2, Pi 3, Pi Zero, A+, B+, Pi 4, etc.

  • Fully assembled & tested PCB plugs directly into your Pi's GPIO pins - No soldering required!
  • Will keep time for 5 years or more

Note: This product does not come with a CR1220 coin cell battery. We recommend you purchase a coin cell battery to use with this product.

The PCF8523 is simple and inexpensive but not a high precision device. It may lose or gain a second or two per day. For a high-precision, temperature compensated alternative, please check out the DS3231 precision RTC.

For setting up your Raspberry Pi to use the PiRTC, check out our detailed tutorial!

 

Technical Details

Product Dimensions: 21.0mm x 20.0mm x 12.0mm / 0.8" x 0.8" x 0.5"

Product Weight: 2.2g / 0.1oz

 

[Description provided by Adafruit]

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SKU: 17234798136

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C. K. Woo
Omaha, US
★★★★★ 5
A good retelling of the highlights from the Scarlet Letter
A good retelling of the highlights from the Scarlet Letter. The art provides a good visual for a kid to reflect on after having read the story. The art for Wilson is very telling as well; he looks like the lout I always saw him as.
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Reviewed in the United States on August 20, 2016
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Jessica
Pawtucket, US
★★★★★ 5
Lovely illustration.
I love the Scarlet Letter manga. It's very beautifully illustrated, and the characters are interesting. I highly recommend this book for those want a visual medium of the classic novel.
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Reviewed in the United States on November 14, 2019
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The One Who Reads
Whiting, US
★★★★★ 3
Not new
Format: Hardcover
There was no indication the book was used and I had to spend $37 for it, which seems outrageous.
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Reviewed in the United States on December 10, 2024
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NightTime
Pawtucket, US
★★★★★ 5
A great buy
It's a very thick book and a good story my friend loved it and so did I would recommend as a good gift 💝💝💝
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Reviewed in the United States on March 14, 2020
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M. Heiss
Dallas, US
★★★★★ 5
A mom's review: They read my mind
Format: Hardcover
I was putting together broad categories for how to instruct my family of boys on aspects of the civil war. Jonathan Fetter-Vorm and Ari Kelman read my mind. From captive blacks to reconstruction and the rise of the Klan terrorists, this book does it all. I don't need to instruct - this book paints vivid pictures for my kids to absorb, relate to, and build on according to their areas of interest. My other resources come into play, but this book is the Civil War overview I had been trying to create myself. Includes disease (malaria, gangrene) and Andersonville prison, suspension of habeus corpus and desertions, Mathew Brady's photographs, hunger on the homefront, desertions, the assassination of Lincoln, more. Marvellous. I can't say enough about the quality of the graphics and narration in the book. This is graphic history as it should be done. Bravo to the authors and publishers from not shying away from the cold truths. Lincoln's presidency was ambiguous on Constitutional questions. James K. Polk was a racist SOB, like most democrats. The KKK was/is the terror arm of the democrats. Great book for Junior High and up. I can't recommend it strongly enough. You probably need one for every child in your family, because they will not want to share. More books like this, please.
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Reviewed in the United States on July 11, 2015

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