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Thread: 4047 and l293b

  1. 02-05-2008, 05:06 PM #1
    srd
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    Default 4047 and l293b

    hey can anyone tell me how to work with this 4047 to generate 38KHz frequency....also tell me are external diodes to be used for l293b.......please reply soon....it is urgent...
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  2. 02-07-2008, 12:30 PM #2
    avinash_g
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    l293b? or l293d

    l293d does not require any external diode for protection because it has internal diode protection.


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  3. 02-04-2010, 11:53 PM #3
    ashish89
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    Default

    How to generate 38KHz frequency with 4047
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