Open-source TPA3116D2 class-D stereo amplifier. KiCad source, gerbers, BOM, and the bench measurements.
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Updated
Aug 30, 2026
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tpa3116
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DIY Marshall Middleton-style portable Bluetooth speaker using ADAU1701 SigmaDSP, ESP32-WROVER with LDAC/aptX/AAC support, TPA3116 + TPA3110 Class-D amps, and live EQ tuning via I²C. CY7C68013A used as DIY USBi programmer. Currently in design phase — hardware build coming soon.
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Updated
Sep 17, 2026
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