joergkeller / arduino-musicbox Goto Github PK
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License: MIT License
Arduino control code for a music maker board and a trellis keypad.
License: MIT License
Not all ESP32 input pins allow INPUT_PULLUP. The encoder switch and the analog level (headphone detection) require the feature, otherwise a physical pullup resistor must be used.
https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf, page 42: "GPIO pins 34-39 are input-only"
New tags should be read as well
When locked, trellis keys and long presses are disabled. LED should display somehow.
Pause/Resume and Volume up/down are still possible.
Double click or album end will unlock.
Migros figures have an identifying block in addition to their individual id. Using this block for identification could help to exchange figures and in the future to add specific information, e.g. urls.
Deep sleep after timeout, wake on key press (alternatively trellis INT like 32u4)
Keep the position within the track (RTC memory or SD), faster sleep mode, jump or fast forward on wake/resume.
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