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  1. C

    Stepper Motor Controller

    BTW: If you build this circuit using a 555, all you have done is made a rather expensive firecracker.
  2. C

    Stepper Motor Controller

    Hi, The discussion is not about a 3 pin regulator (78L05), that is a common part. It is about the 8-pin TE555-1 that people in this forum were confusing with a 555 timer. There are so many problems with the circuit shown when viewing as a 555, and the first clue, before even looking at the...
  3. C

    Stepper Motor Controller

    It should be obvious to everyone that this is a bogus circuit, if you think that these components could possibly hook up to a 555 this way. It makes absolutely no sense. That is because this is not a 555 timer, it is a failed MCU prototype TE555-1 , actually a modification of an old PIC...