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
Open-source boards designed in KiCad by notgate on GitHub, from 1 repository. A board’s address here is its repository’s there.

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