all-in-one audio board, works specially well with LogitechMediaServer

Audio controller (I2S, SPDIF, DAC)

low noise low cost stm32 usb-audio dac with optional level meter

S/PDIF receiver library for Raspberry Pi Pico

stm32 black pill usb sound card

USB and S/PDIF audio DAC using the Raspberry Pi Pico (RP2040)

USB audio S/PDIF output

A low-cost USB audio interface with S/PDIF optical output, based on the Cmedia CM108 ASIC.

Adding digital output for old synths

S/PDIF WAV recorder on microSD card for Raspberry Pi Pico

S/PDIF frame encoder.

Simple TOSLINK to USB + S/PDIF receiver. Someday + HDMI ARC + HDMI CEC.

S/PDIF DAC Headphone Amp for Raspberry Pi Pico

Arduino Library for the Keystone semi T3B series DAB+ / FM Tuner.

Serial (LPCM) to S/PDIF transmitter. Using MachXO2 (1200HC QFN32).

A Pmod™ Compatible peripheral module featuring a pair of active optical audio transmitter/receivers