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Thread: Teensy 3.2 Connections to the underside?

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    Teensy 3.2 Connections to the underside?

    There are many pads on the underside of the Teensy 3.2 and 3.6. Is the a means of connecting to these pads from a PCB?

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    Senior Member+ Theremingenieur's Avatar
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    There are so called pogo pins which are soldered into the pcb and which, thanks to an integrated spring, will contact the pads when the Teensy is inserted into its socket. Another way is using pin headers and solder them onto the pads after having bent the Teensy-side pins outwards.

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    Accessing Teensy 3.2 underside pads.

    Quote Originally Posted by Theremingenieur View Post
    There are so called pogo pins which are soldered into the pcb and which, thanks to an integrated spring, will contact the pads when the Teensy is inserted into its socket. Another way is using pin headers and solder them onto the pads after having bent the Teensy-side pins outwards.
    Thanks I hadn't thought of that!

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    Senior Member+ MichaelMeissner's Avatar
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    Quote Originally Posted by MJAChapman View Post
    There are many pads on the underside of the Teensy 3.2 and 3.6. Is the a means of connecting to these pads from a PCB?
    You can also get some PCBs fabricated that have cutouts for part of the board with castlelated edges that you solder to the headers. Here is one such that FrankB designed ($3.45 for 3 boards for USA shipment):


    Here is a board available on Tindie that provides a breakout for the pins (and if your soldering skills aren't that great, you can by a Teensy 3.2 that has been connected to the board). The creator also has breakout boards for the 3.5 and 3.6:


    Here are some pictures of a board that I did that combined FrankB's PCB board along with the Adafruit Teensy -> Featherwing adapter:


    Click image for larger version. 

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    Click image for larger version. 

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    Here is an old post about how to solder header pins on the to headers:
    Last edited by MichaelMeissner; 02-14-2019 at 02:39 AM.

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