2 layers70 × 50 mm

RPI4B Dual SPH0645 RevA
notgate/sph0645f_asr
Dual-SPH0645 Raspberry Pi prototype with audio capture, FFT signal processing, PCB design, and offline LLM inference.
20 parts
KiCad boards from 1 GitHub repository tagged “offline-asr”, the most starred first; open any of them in PCBKit.

notgate/sph0645f_asr
Dual-SPH0645 Raspberry Pi prototype with audio capture, FFT signal processing, PCB design, and offline LLM inference.