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  • Overall Rating: 5
  • Price: 5
  • Quality: 4
  • Ease Of Use: 4
  • Usefulness: 5
Cheap, easy to use, useful – Arduino Compatible 8X Seven Segments Display + 8X Key + 8X Double Color LED Module Reviews

posted by squantmuts on 09/27/2012 Certified Owner

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

Pros:
* Nice clear display even at low brightness. * Display and buttons on one board and controller. * easy to control * daisy chaining of multiple boards! * TM1638 chip is easy to control
Cons:
* at full brightness there is a significant voltage drop over the cable. * bit hard to find the datasheet. Google is your friend and a good translated datasheet is available. * no schematics so figuring out what segment and button maps to where is a bit of a hassle but doable with some effort. * high IDC connector headers prevent easy integration with a frontpanel. * Low buttons make it hard to put it in a frontpanel.
Other:
Low cost display that can be used in a lot in a lot of homebrew electronics projects. Beats the clarity of a 2*16 LCD display and has extra buttons. The daisychaining is a nice feature.
Bottomline:
Cheap, clear, easy to control. They can be used in many projects. So get a few, for this price its hard to make it as cheap as this.

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