2016.05.16

Teensy LC BOB v1.3

Good News, Everyone! The new Teensy LC break-out board is ready! Yes, we’re now at version 1.3 of the Teensy LC BOB.

Preview

I’ve made a few changes since version 1.2. I moved the traces from the top to the bottom (how did I miss that!?) and I added an extra ground line so that you can connect a bunch of screw terminals to the ground row even if you don’t solder in header pins at the end of the board and only do the sides. (This also comes in handy if using the Teensy Audio Adaptor Board.)

I’ve also lengthened the board a bit, and added a fifth hole, and here’s why…

Installed

For a recent project I discovered that the USB cable was able to rip the USB connector right off the Teensy if hit, twisted, or yanked in the wrong direction. The fifth hole is for adding a piece (wood? plastic?) by screwing it into the bottom and then looping a zip tie around the USB cable for strain relief.

USB mock-up

I scanned in a Micro USB cable and placed it over an image of the board to figure out spacing. It should work. I may end up 3D modeling the piece that holds the USB cable in place.

As I use the boards more I may find other improvements along the way. Also, I’m now able to load in custom images and graphics onto the PCB, so I’m already scheming for my next OSH Park project.

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