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24 Hour Engineer

A daily blog about the things created by Brian McEvoy. Original creations, cooking and body mods.

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Showing posts with the label dual tone multi frequency

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2026-02-19 (Th) TuningWhistles COMPLETED

February 20, 2026

3D Modeling 3D print acoustics alert blue box completed DTMF DTMF decoder dual tone multi frequency Dual-Tone Mult-Frequency phlute phone tones phreaking printer tone generation TuningWhistles whistle

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2026-02-18 (W) TuningWhistles New shape testing

February 19, 2026

3D Modeling 3D print acoustics alert blue box DTMF DTMF decoder dual tone multi frequency Dual-Tone Mult-Frequency phlute phone tones phreaking printer tone generation TuningWhistles whistle

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2026-02-17 (Tu) TuningWhistles Tuning the rectangles

February 18, 2026

3D Modeling 3D print acoustics alert blue box DTMF DTMF decoder dual tone multi frequency Dual-Tone Mult-Frequency phlute phone tones phreaking printer tone generation TuningWhistles whistle

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2026-02-15 (Su) TuningWhistles Graphing and making a second round

February 16, 2026

3D Modeling 3D print acoustics alert blue box DTMF DTMF decoder dual tone multi frequency Dual-Tone Mult-Frequency phlute phone tones phreaking printer tone generation TuningWhistles whistle

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2026-02-14 (Sa) TuningWhistles Concept and modeling

February 15, 2026

3D Modeling 3D print acoustics alert blue box DTMF DTMF decoder dual tone multi frequency Dual-Tone Mult-Frequency phlute phone tones phreaking printer tone generation TuningWhistles whistle

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2023-10-19 (Th) Phlute Instructable

October 20, 2023

analog dialing DTMF dual tone multi frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox RedBoxFlute touch tone twelfth root of two whimsical

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2023-10-18 (W) Phlute REV 2 COMPLETED

October 19, 2023

analog dialing DTMF dual tone multi frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox RedBoxFlute touch tone twelfth root of two whimsical

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2023-10-17 (Tu) Phlute Working but impractical

October 18, 2023

analog dialing DTMF dual tone multi frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox RedBoxFlute touch tone twelfth root of two whimsical

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2023-10-16 (M) Phlute More recorder recording

October 17, 2023

analog dialing DTMF dual tone multi frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox RedBoxFlute touch tone twelfth root of two whimsical

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2023-10-15 (Su) Phlute Measurements and experimentation

October 16, 2023

analog dialing DTMF dual tone multi frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox RedBoxFlute touch tone twelfth root of two whimsical

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2023-10-14 (Sa) Phlute Round instruments

October 15, 2023

analog dialing DTMF dual tone multi frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox RedBoxFlute touch tone twelfth root of two whimsical

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2023-10-12 (Th) Phlute Square instruments

October 13, 2023

analog dialing DTMF dual tone multi frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox RedBoxFlute touch tone twelfth root of two whimsical

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2023-10-11 (W) Phlute Constructions and lessons

October 12, 2023

analog dialing DTMF dual tone multi frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox RedBoxFlute touch tone twelfth root of two whimsical

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2023-10-10 (Tu) Phlute Concept and flute draft

October 11, 2023

analog dialing DTMF dual tone multi frequency flute for fun instrument music phlute phone phone hacking phreak phreaking red box redbox RedBoxFlute touch tone twelfth root of two whimsical

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Labels

#IoTHackDay
<ideal
~
0.96"
0.96" OLED
03-14-2025
1.05946
11*17
11x17
12 root 2

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