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LCD power — Parallax Forums

LCD power

NKruppNKrupp Posts: 4
edited 2008-04-02 10:32 in BASIC Stamp
I am building a project that requires the use of an LCD. Most of the time the BS2 will be napping to conserve power. I'm powering the LCD from the VDD, will the LCD continue to consume power when the BS2 is napping? The device is a weigh scale that will be operating approximately 5 min per day. I only want the LCD to draw power when the scale is being used. Any thoughts?

Comments

  • ForrestForrest Posts: 1,341
    edited 2008-04-02 10:32
    What LCD are you using? FYI a HD44780 compatible parallel LCD without a backlight will only draw about 1 mA, so you can power it from one of the Stamps I/O pins. Double check your LCD datasheet to confirm the power requirements.
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