I’ve spent the last several days building and programming the “bed-of-nails” test fixture that we’ll be using to test every Teensy 3.0 board. The hardware was designed many weeks ago, but the PCBs only recently arrived.
The pins are part numbers S-100-K-3.5-G and S-50C-TL-3.2-DG-S. Both can be purchased from Mouser Electronics. The 2 boards were ordered from Laen’s OSH Park http://www.oshpark.com/ Laen’s PCBs work particularly well, because they’re from a USA-based manufacturer with much higher accuracy drilling than other low cost services. For placing the test pins, this matters greatly.
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.