Dirt cheap EEPROM programmer

Hardware questions and issues with the FV-1

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slacker
Posts: 116
Joined: Tue Feb 01, 2011 1:13 pm

Dirt cheap EEPROM programmer

Post by slacker »

I don't know if this is any interest to people on here, but I found a very low cost DIY PC serial port programmer for the 24LC32 EEPROMS used to store external FV-1 programs.

http://www.lcdtvrepair.us/ponyprog.php

I didn't have any suitable Zener diodes to hand so I substituted a couple of LEDs in place of each one to limit the voltage seen by the 24LC32 to about 5 volts.
I couldn't get the recommended Pony Prog software to work, but found an alternative called ic-prog that works fine on Windows and on Linux under Wine, YMMV.

I haven't tried using it to program the EEPROMs in circuit, but if you omitted the connection to pin 8 and used 3v3 Zeners for D2 and D3 it might work.
ArkAngelHFB
Posts: 4
Joined: Thu Jul 11, 2013 6:55 pm
Location: United States

Post by ArkAngelHFB »

Here is a Vero.

Image

Now do you think it would be cheaper to grab a serial card, and cable for my PC. Or just go USB to Serial cable?
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