A few months after we published our Digital Calipers DRO video tutorial we received an email asking if it would be possible to adapt the project to make talking calipers that read the value out loud over a set of speakers for a blind mechanical engineering student to use. Using the same technique we used in our Huffman Coded Audio Halloween video to store and playback audio from the chip we were able to build talking calipers for Terry to use in his job and his mechanical engineering studies.
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