Flashing the Teensy

1. Download the Arduino IDE software.
2. Download the Teensyduino software.
3. Connect the Teensy to a computer via USB. Make sure that the program recognizes that a Teensy is connected. If you need to change the serial port, select a new port from the menu as shown below:
4. Copy the Teensy code and flash the Teensy with the code by pressing the arrow as shown below: