Analog and audio

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MKI138V1 (STAudioHub) not communicating with APWorkbench

Posted on July 07, 2014 at 15:32Hello.If I connect the board to my computer it recognizes it and installs some drivers.It will after that show up as a ''STM Device in DFU Mode'' under USB controllers in the device manager. But in the APWorkbench the...

robin by Associate
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I've installed the APWorkbench suite but I'm getting the following message when launching the application: ''APWorkbench I/O warning: No FTDI driver found, APWLink communication will be disabled…..''. Can you please provide more explanation about?

Posted on February 07, 2014 at 10:08I've installed the APWorkbench suite but I'm getting the following message when launching the application: 'APWorkbench I/O warning: No FTDI driver found, APWLink communication will be disabled…..'. Can you please...

nmagniez by Associate II
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More than stereo recording

Posted on July 03, 2014 at 17:33Is it possible to record multiple mic channels (more than stereo) over USB using the combination of STEVAL-MKI129V3, STEVAL-MKI138V1 and the STEVAL-MKI126V3? #steval-boards-for-mems-mics

TDA7294 High-efficiency Version, +/- 20-volt supply

Posted on July 03, 2014 at 00:14Hello, I had a question of the best way to implement the supplemental +/- 20 VDC *supplemental* supply (i.e., not the +/- 40 VDC main supply). My 40 VDC supply is unregulated. Two thoughts were to use a voltage divide...

mramalfi by Associate
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TS555

Posted on May 06, 2014 at 00:07TS555CN is a low power version of NE555.TS555CN is made by STAll Datasheets of TS555CN say ''high output current capability''but there is no max output current given in any DataSheet!is the max output current better th...

gerald by Associate
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what is this ic please help?

Posted on April 27, 2014 at 22:26hi i want repair a board with an unknown ic.what is this ic? please help mehttp://i60.tinypic.com/28we9v9.jpg

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m2399 by Associate II
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ultrasonic sensors

Posted on May 13, 2014 at 20:22The original post was too long to process during our migration. Please click on the attachment to read the original post.

STA350BW 2.1 scematic

Posted on April 25, 2014 at 13:57Hi i'm currently using the STA350BW on the demonstration board do you have a  Schematic for 2 (half-bridge) channels + 1 (full-bridge) channel  2.1 mode including recommended component values?Thanks in advance

russell by Associate
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