2023-10-22 (Su) DTMF_Decoder COMPLETED October 23, 2023 analog dialing DTMF DTMF_Decoder Dual-Tone Mult-Frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox touch tone twelfth root of two whimsical +
2023-10-21 (Sa) DTMF_Decoder Test circuit October 22, 2023 analog dialing DTMF DTMF_Decoder Dual-Tone Mult-Frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox touch tone twelfth root of two whimsical +