Hello,
I've started to test my first Teensy 3.1 that I ordered from SparkFun.
- I connected a USB cable to Teensy, then the LED was blinking. OK.
- I installed Teensy Loader 1.17, uploaded blink_fast_Teensy31.hex on Teensy, then the LED was blinking fast. OK.
- I installed Arduino 1.0.6 and...