Teensy 3.5 and Audio Board

[dansku]

Hey guys,

I've got a teensy 3.5 and a Audio Adaptor Board.
I was checking and it doesn't look that I can stack them like with the older version of the board.
Where can I get the info on how to connect them properly. I will be powering the circuit from an usb cable.

Thank you

 

[whannah]

I'm curious about this too...
If I have to wire everything manually, that's fine, but it would be nice if there was a way to stack them.

 

[MichaelMeissner]

You should be able to stack them. I haven't used the audio board in awhile, but the first 14 pins on each side of the Teensy 3.2 and Teensy 3.5/3.6 are pretty much the same, and since the audio board doesn't use the back 5 pins, you don't have to run wires to connect the DAC pin to the audio board.

In particular, the Audio Shield uses the following pins:

• Pin 6: Chip select for SPI memory board on the audio board
• Pin 7: SPI alternate MOSI pin
• Pin 9: I2S BCLK pin
• Pin 10: Chip select for SD card reader on the audio board
• Pin 11: I2S MCLK pin
• Pin 12: SPI MISO pin
• Pin 13: I2S RX pin
• Pin 14/A0: SPI alternate SCLK pin
• Pin 15/A1: Potentiometer on the audio board
• Pin 18/A4: I2C SDA pin
• Pin 19/A5: I2C SCL pin
• Pin 22/A8: I2S TX pin
• Pin 23/A9: I2S LRCLK pin

Get these 36 pin female stacking headers from Adafruit:

• https://www.adafruit.com/product/3366

And using diagonal wire cutters, cut them down to 24 pins. Solder one set of 24 pins on each side of the Teensy 3.5/3.6. Either solder those pins to a permanent prototype board such as:

• https://www.adafruit.com/product/1609

Or just mount the Teensy in a breadboard.

Then take normal male breakaway pins and solder them with the long end down on the audio board:

• https://www.adafruit.com/product/392

Mount the audio board on top of the Teensy 3.5/3.6.

Power the board as normal with USB.

 

[PaulStoffregen]

Here's a project I've been building for Bay Area Maker Faire.



Hopefully this quick photo gives you an idea of how it can be done. This isn't the only way, but I can tell you we got the whole thing up and running last night, so the hardware you see in this photo is definitely working.