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New? Sure Electronics ADAU1701 Module
New? Sure Electronics ADAU1701 Module
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Old 16th December 2017, 02:59 PM   #141
Neil Davis is offline Neil Davis  United States
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Join Date: Dec 2004
Location: Reston, Virginia
New? Sure Electronics ADAU1701 Module
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Originally Posted by ernperkins View Post
Neil Davis has done a lot of work in this area and has even developed a phone based app to control the ADAU1701 in "real time".
Yep. I just started another article on the cell phone app--it is article 14. The article shows the current user interface on the Android app and describes some of what is going on "under the hood". Hoping to finish the article in the next two weeks.

I had set this project aside for a while, but now it is mostly done. Everything described in the article works, except for the A/B switching, which I'll get to before long. Usually these projects never end, but I'm using all of the Program memory in the ADAU1701 and all of the EEPROM in the Arduino CPU, so this project will actually get "done"

Last edited by Neil Davis; 16th December 2017 at 03:05 PM.
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Old 16th December 2017, 07:54 PM   #142
Foxx510 is offline Foxx510  Australia
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Quote:
Originally Posted by Neil Davis View Post
Yep. I just started another article on the cell phone app--it is article 14.....
Amazing work Neil - thanks for creating this resource. Will you be detailing how to connect the bluetooth interface to the board/s? Cheers!
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Old 16th December 2017, 08:40 PM   #143
Neil Davis is offline Neil Davis  United States
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Join Date: Dec 2004
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New? Sure Electronics ADAU1701 Module
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Originally Posted by Foxx510 View Post
Will you be detailing how to connect the bluetooth interface to the board/s?
Thanks. The Bluetooth connection is shown in the schematic for the stereo 3-way DSP board in article #6. I'll post the DesignSpark files for the new version of the board once I test it. I've got a box of bare boards, and haven't built up any yet.

The connection is simple: just connect RX of the Bluetooth board to TX of the micro (pin 9), and TX connects to RX (pin 10) of the micro. You also need power and ground. The micro on the teensy has 3 serial ports. I use Serial1 for the Nextion display, Serial2 for Bluetooth and Serial3 for FTDI/USB.
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Old 17th December 2017, 04:14 AM   #144
PloppyThirds is offline PloppyThirds
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I asked for the default sigmastudio project via youtube comment and Carl was kind enough to oblige!

"http://www.sure-electronics.net/DSP1701_AMP2_Project Source File.rar"

(Yes the link url has underscores and spaces)

Last edited by PloppyThirds; 17th December 2017 at 04:21 AM. Reason: fix link formatting
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Old 17th December 2017, 04:21 AM   #145
Foxx510 is offline Foxx510  Australia
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Originally Posted by Neil Davis View Post
Thanks. The Bluetooth connection is shown in the schematic for the stereo 3-way DSP board in article #6. ....
Awesome, might have to give one of these boards a try. I see Sure also sell a combined amp/dsp board now. Thank again for your work.
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Old 17th December 2017, 05:16 PM   #146
ernperkins is offline ernperkins  United States
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Quote:
Originally Posted by PloppyThirds View Post
I asked for the default sigmastudio project via youtube comment and Carl was kind enough to oblige!

"http://www.sure-electronics.net/DSP1701_AMP2_Project Source File.rar"

(Yes the link url has underscores and spaces)
Thanks for sharing that.
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