Microsource sny-0204-550-01 synthesisers

Roger Ray
 

One thing I forgot to add to the article in Scatterpoint. Is that they remember the last frequency programmed.
So then just a 5 & 12V supply required. Though a lock led to ground via a resistor is useful.
I found this out by accidentally destroying a pic, and wondering why it still worked!

Roger
G8CUB

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