text renderer POV toy

Discussion in 'General Electronics Chat' started by Erdbeere, Apr 19, 2009.

  1. Erdbeere

    Thread Starter New Member

    Apr 19, 2009
    1
    0
    Hi,
    i searched the web and i found this nice POV toy:
    http://blikacka.6te.net/
    and my question is:
    Does it really works? Is this circuit design OK??? :eek:
    I want to build one and must know if this is a good designed POV.

    Thank you for reply
     
  2. hgmjr

    Moderator

    Jan 28, 2005
    9,030
    214
    The circuit looks reasonable but I see one aspect of the circuit that concerns me. The absence of any current limiting in line with the LEDs is risky to the health of the PIC. A 100 ohm resistor in series with each of the LED pairs would be a worthwhile safety measure.

    hgmjr
     
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