DIY Open Source Figh Fidelity Preamplifier
Max Williams has just shared on Hackster.io schematics, PCB layouts, CircuitPython code via GitHub, BoMs, measurements and photos about his new open source modular HiFi amplifier. It uses an Adafruit ItsyBitsy M0 Express running CircuitPython to make great music. The preamplifier is made up of a number of connected components: MDAC attenuator (PCB, code): Controls the volume Input selector (PCB, code):…