Adafruit Industries, Unique & fun DIY electronics and kits Teensy 3.6 without headers ID: 3266 - The awesome new Teensy 3.6 is a small, breadboard-friendly development board designed by Paul Stoffregen and PJRC. Teensy 3.6 brings a low-cost 32-bit ARM Cortex-M4 platform to hobbyists, students and engineers, using an adapted version of the Arduino IDE (Teensyduino) or programming directly in C language. Teensy 3.6 is an