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2023 October 18

  • curprev 15:3215:32, 2023 October 18 Hal talk contribs 381 bytes +381‎ Selkirk Marine Museum Piano project, internal electronics view, top-down. Motion detection using RCWL-0516 microwave doppler module, Raspberry Pi Pico (RP2040) MCU, and DFPlayer-mini MP3/WAV player module, speaker is a Dayton Audio DAEX25 exciter. RCWL-0516 is on mast that lifts it from the circuit board and allows it to be pointed to increase/decrease sensitivity.
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