Analog TV may have shuffled off its mortal coil years ago, but there are still plenty of old CRT TV sets around that could receive it. [Kris Slyka] has just such a device, and decided to feed it ...
4-layer PCB (Altium) with isolated analog and digital domains. Professional audio I/O circuitry (simulated in LTSpice). USB connectivity. Firmware in STM32CubeIDE with FreeRTOS. CMSIS-DSP accelerated ...
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