Hi Carlos,
I plan on building the programmer from from a guy online that was designed specifically for the 74188. It’s important to follow the IC manufacturers programming/burning guide lines.
If you come across an FP-301D I’d like to purchase another one.
Regards,
Mike
toggle quoted message
Show quoted text
On Jul 5, 2022, at 5:12 PM, Carlos <py1egg@...> wrote:
?
Hi all,
?
I am one of the many FT-301D lovers, the 1979 radio I own was restored and works fine, however I never paid much attention to the FP-301D.
?
Nevertheless, I have programmed the 74188A PROM in the past for other purposes using a? homebrew programmer through a PCs parallel port, something not very ordinary nowadays.
?
After some browsing, I could find many DIY 74188A PROM programmers that can be used by those not wanting to modify their FP-301D.
?
I think the easiest way to do it would be by using an Arduino Pro Mini or Nano, but if one doesn?t mind modifiyng the accessory, the same basic hardware could be used to build a brand new add-on CW ID capable of replacing the entire TTL circuitry of the original ID?er.?
?
Just a thought...
73 de PY1EGG - Carlos
Michael K.