build eeprom programmer

[blueangel666]

Tried the programmer "without components" and ? a sewer !!!
Not the law, nothing .....

Now I have to try putting 5 Volts and a capacitor, how ? in the diagram (reserve). Let's see and I want to know..

I'm not going to spend money for a professional programmer. I just need to read the eeprom of my car. I do not do vehicle repair shops, then I wouldn't need to do anything.

If, in the meantime, you have some scheme, some programmer with a "couple of euro" tested and working, even the 9-pin serial, let me know.

P. S: anyway my ? a 93c56..... not a 46 as I had written

[biondo83]

This ? it's a circuit that I had years ago and that I have tested.
The values of the components are indicated in the picture.
Z ? the diode Zenere 5.1 V.
(4K7 would 4,7 KOhm)
You don't need an external power supply.

As a program you can use Icprog or PonyProg 2000.

[blueangel666]

Very GOOD !!
And that's what I was looking for ... very simple to build. The only thing, the condenser ? from 100nF or 100mF ??

[biondo83]

Are 100nF

[blueangel666]

Works great !!!

THANKS Blond !

[biondo83]

I'm glad that you have solved.