Mike wrote:

>> Hi, I've built the Cheap RS-232 16C84 Programmer and I'm having some problems
>> using verify of PIP-02.
>> I can program and erase the device OK but cant read or verify.
>> (I'm using a small and simple program to test it).
>> Please help !. What is wrong ?
>> Thanks in advance.

I had problems with it, too.
Direcly connected to the PC it worked fine, but with 1m cable it didn't.

I fixed it by placing a 100nF cap. parallel to the 2K2 resistor (between
CTS and DTR).

It works fine now!

   Lothar