Hi, I use the circuit recommended by B. Dobaj himself (the author of P16PRO). I think it is a Tait-style programmer. I put 2 pcs 330 pF capacitors between RB.6 resp. RB.7 and gnd. Otherwise it did not work. Now it is all correct. Regards, Imre On Mon, 18 Oct 1999, Brent Austin wrote: > Has anyone had any success using a NOPPP style (or Tait style) programmer > with P16PRO? > > If so, I'd like to know what circuit modifications and hardware setup is > needed. > > Thanks!, > Brent > >