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    • Overall Rating: 3
    • Price: 4
    • Quality: 3
    • Ease Of Use: 3
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Compact built-in MP3 FM module

    posted by bfridman on 04/20/2013 Certified Owner

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

    Pros:
    Remembers the settings while disconnecting the module from the power (except time), What lets to power up/down by disconnecting power supply. Can be put to Stand-By mode and awaken from it without remote control what lets in the future to turn on/off by re...
    Cons:
    Doesn't have the connection for RTC (Real Time Clock) back up battery (although it is mentioned in user manual) so the clock ne...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Display and keyboard in one module.

    posted by bfridman on 04/14/2013 Certified Owner

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

    Pros:
    Can be used as simple keyboard and 7-seg LED monitor. Theoretically it is possible to extend the module to 24-keys keyboard by soldering 16 other keys to existing 8 keys.
    Cons:
    On the card are activated only 8 keys from 24. Also standard Arduino library supports only these these 8 existing keys.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Very good Time/Date/Data keeping IC

    posted by bfridman on 04/05/2013 Certified Owner

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

    Pros:
    Has Back-Up battery which lets you disconnect the device from power supply without time loosing. Also it can recharge battery (By default the battery-recharging-function is neutralized and can be activated by special command). In addition DS1302 has RAM mem...
    Cons:
    It is sold with Non Rechargeable battery, but you can by it separately.
    View Detail » 
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