4 layers96 × 100 mm

OtterCastAmp
Ottercast/OtterCastAmp
OtterCastAmp is an open-source WiFi Speaker amplifier, based on a Sochip S3 SoC. Powered by any USB PD adapter for up to 100W of music.
272 parts341MIT
Boards in 3 GitHub repositories, designed in KiCad, that use the ESD5302F by TECH PUBLIC (-55℃~+125℃ 0.5pF 14V 2 4A@8/20us 5V 75W@8/20us 80nA 9V ESD IEC 61000-4-2、IEC 61000-4-5 Unidirectional SOT-23 ESD and Surge Protection (TVS/ESD) ROHS). See how each wires it, with its parts, size, README and files; the ESD5302F’s symbol, footprint and pinout are on its own page.

Ottercast/OtterCastAmp
OtterCastAmp is an open-source WiFi Speaker amplifier, based on a Sochip S3 SoC. Powered by any USB PD adapter for up to 100W of music.

punkfab/pcb-corpus
235 real KiCad boards from open-source hardware repositories, prepared as a placement and routing benchmark
