Toy electronic piano
Oliver Murphy
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Yayınlandı:2025-07-30 16:59:57
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Bu içerik otomatik olarak çevrilmiştir. Orijinali göster
Design concept
Using the AT32F415CBT7 microcontroller, we establish a file system to access the WAV audio data on the SD card with FATFS. After detecting the key input, we combine the audio data and transmit it to the MAX98357 amplifier for audio output. VersionV1.1 adds MIDI-USB and supports PC host computers or the mobile app "Simply Piano".The firmware can be downloaded using a Type-C data cable.The hardware circuit board and program firmware are used in the electronic piano toy of the [Hardware Creation Club].https://x.jlc.com/platform/detail/4e3276d521544f15a4b6981126c1bef7?share=jlc1753864731786
Print settings
Printing model: K1, printing duration: 3 hours, layer height: 0.2 mm, infill density: 15%, printing material: PETG
Support description: No support is needed
Assembly instructions
Screw specifications: ST2.2*5, ST2.6*8
Burning method:
Assembly and MIDI demonstration:
Play the WAV audio demo:
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Orijinal Link: Detayları Gör
CC BY