Phonepatch Prototype Board

Arduino based telephone to radio system autopatch prototype to absorb the calling party's touchtones and re-generate at the right level for radio systems. This board is a great quality for prototyping and solder rework (pads don't lift). Since it is within the 100mm x 100mm square in the $5 promotion, you cannot beat the price including the fast shipping. Now that this part is complete, I just ordered another batch of boards with all the tweaks and changes for the production boards.



Apr 11,2018
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