µ[micro]electronics info

A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.




Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.

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DIY USB Sound card, vol. II

Another attempt to make an USB sound card based on TI's PCM2704 chip by Miroslav Batek.

A successor to an older USB sound card - now with a new chip PCM2704 rather the PCM2702. The new one has built-in 5V and 3.3 voltage regulator, HID interface (MUTE, VOL+, VOL-) or S/PDIF output.

The schematic is almost copy of the datasheet circuit diagram, so the whole card is really simple and "easilly homebrewed".

Read more at author's page: Make a Sound Card with PCM2704.

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