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  • 23/04/2018

    Working good on address 0x20. Tested with Powertip Display 1602. Double check the display wiring!!! On my Powertip display are A and K pins on opposite side!!! Because of that I've burned one (it was my fault).

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  • 24/02/2020

    Poor product quality. It breaks easily and the connections are not good. Soldering it is practically impossible. Better other models of the same module as this one even if it is cheaper.

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  • 26/02/2018

    took a wee bit to work out but this site helped https://arduino-info.wikispaces.com/LCD-Blue-I2C install the library version on the site and use the version 2 code and it should get you up and running

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  • 18/07/2016

    I bought 10 of these. Perfect quality, 10/10 working flawless. Please keep in mind that they work with the original, unmodified LiquidCrystal_I2C library! https://hmario.home.xs4all.nl/arduino/LiquidCrystal_I2C/, wich is excellent, IMO.

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  • 15/06/2016

    Il n'y a pas mieux pour limiter le nombre de connexion avec Arduino. Je peux connecter plusieurs afficheurs juste en modifiant l'adresse de chaque module. Nécessite seulement 4 fils de connexions, alimentation + SCA + SCL. Le polar de réglage de contraste est aussi opérationnel.

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  • 05/10/2018

    Works perfectly but you need a library where you can set which pins on the Interface are connected to which on the LCD.

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  • 22/09/2016

    Perfect and cheap, also work for 2004 LCD with arduinos. Even with a arduino DUE it was no problem with the right library!

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  • 01/06/2018

    inexpensive pcf8574a module

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  • 30/05/2018

    Prima materiaal. Vlot verstuurd. Goed verpakt verzonden. P R I M A !!!

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  • 23/12/2017

    Versand ging schnell

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