You could make the method more robust by sacrificing a few bits for error correction. For example, by using a Hamming code: https://en.wikipedia.org/wiki/Hammin

You could make the method more robust by sacrificing a few bits for error correction. For example, by using a Hamming code: https://en.wikipedia.org/wiki/Hamming_code https://en.wikipedia.org/wiki/Hamming_code. Also, PCR robotor already exist. Not many around though.