DX  » Community » Reviews » DS1307 I2C RTC DS1307 24C32 Real Time Clock Module for Arduino (Works with Official Arduino Boards)
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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    RTC module, what's more to say?

    posted by pcmihnea on 09/20/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

    Pros:
    At $3.50 you get a module consisting of a DS1307 RTC IC, a 24C32AN EEPROM chip for extended usage, plus a LIR2032 Lithium-Ion 3.6V battery. The module came with the battery pre-installed (at almost full capacity, considering that it's autonomy is several ye...
    Cons:
    The fact that it lacks pins isn't a disadvantage, depending on your application (you can easily solder straight or 90 degrees p...
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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Works great on Arduino Mega

    posted by ziloot on 07/04/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:
    Great RTC. Comes with battery, and is very easy to be added to Arduino project. Also can held temperature sensor (DS18B20), it is not included but you can add it.
    Cons:
    Luck of pinheads. So you have to mount, or to make wire conections.
    View Detail » 
    • Overall Rating: 4
    • Price: 2
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    best of arduino

    posted by HUGUENOTTE on 06/30/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    // This code tests the DS1307 Real Time clock on the Arduino board. // The ds1307 works in binary coded decimal or BCD. You can look up // bcd in google if you aren't familior with it. There can output // a square wave, but I don't expose that in this cod...
    Cons:
    http://www.glacialwanderer.com/hobbyrobotics/?p=12
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Good working clock with battery

    posted by josdamen on 11/07/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:
    Good quality product. Has good solid soldering. Can be used as clock and for eeprom variable storage. This all via serial interface, only 2 data wires SDA and SCL are needed. Can be directly connected to arduino uno, without extra resitors. For arduino the...
    Cons:
    The module has two chips , clock and eeprom. I only have used the clock chip. This chip also has small eeprom inside. The two h...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Good clock diy

    posted by josdamen on 10/28/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    Good quality soldering and pcb. Header is missing but soldering this is not a problem. Clock 1307 works direcly connected to arduino uno. No additional resistors needed. Battery is also working well.
    Cons:
    Two headers purpose not clear,there are two devices on the pcb, clock and eeprom. Eeprom not yet used. Shipping come in esd bag...
    View Detail » 
    • Overall Rating: 5
    • Price: 4
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Fine product

    posted by catarrh on 10/14/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    Good build quality Woks as supposed
    Cons:
    No pinheads, needs soldering. Does not have pull up resistors, you should add them (2.2k are recommended, but works fine with 1...
    View Detail » 
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