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Cimarron Technologies ntroduces the VME-100 and the VMDE-200, two new plug-in ANI boards for Vertex standard radios. This is a true multi-format, plug-in encoder/decoder board ...
His DTMF decoder box uses a CM8870 DTMF decoder chip, ... Forget the extra circuitry, huge cumbersome (and overpriced) third party dev board, etc. Just sayin ...
So a DTMF transmitter is needed to transmit to a decoder to simulate keypress on game controller all needed to be wired together. Cheapo board being used needs a microphone and amplifier to lose ...
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