Search found 2 matches

by Dean2Loris
Sun Jan 20, 2019 9:46 am
Forum: USB Audio
Topic: Migrating from XHRA to XU208
Replies: 189
Views: 1096856

Re: Migrating from XHRA to XU208

Hi, Mon2, Thanks for checking the schematics for me. 1) R3 is 10K ohm. The output voltage is formed by dropping 100uA constant current on this resistor. 10Kohm*100uA should gives an output voltage of 1V. R4 is 4.7ohm, as in the original XHRA schematics. It forms a RC network with a 0.1uf cap and 1V...
by Dean2Loris
Sun Oct 14, 2018 1:25 pm
Forum: Getting started
Topic: How to start on XCore microphone array (XP-USB-MIC-UF216)
Replies: 6
Views: 22454

Re: How to start on XCore microphone array (XP-USB-MIC-UF216)

Hi, I am new to xmos board, i have built and downloaded the firmware (app_usb_aud_mic_array/app_usb_aud_mic_array_1i8o2.xe) to the board. And after read some of the code, like Button A to turn on/off the 13 leds and so on. However, I don't know what to do next to capture the audio with 8 mics and s...