The Teensy Loader makes getting code into your Teensy easy. Just press and release the reboot button and the processor runs the HalfKay bootloader, which is automatically detected. Teensy Loader lets you download your code and reboot to it. Automatic mode downloads and reboots to your code the instant your computer detects HalfKay.What should the output be on a teensy pjrc?
The pinMode function with OUTPUT or OUTPUT_OPENDRAIN must be used to configure these pins to output mode. The digitalWrite and digitalToggle functions are used to control the pin while in output mode. Output HIGH is 3.3V. The recommended maximum output current is 5mA for most pins.Can a teensy be used as a serial monitor?
Teensyduino has highly optimized code to allow fast USB serial data transfer. While normally used with the Arduino Serial Monitor, Teensy's USB Serial mode is compatible with software designed for serial ports, like CoolTerm. On Teensy, the seraild devices is accessed as "Serial".Can you use Teensy on an Arduino IDE?
To program the Teensy and use it in your existing Arduino projects you only need to add the Teensy software to your PC and it will integrate itself into your existing Arduino IDE. In most cases you’ll be able to compile and upload your existing Arduino projects directly to the Teensy without modification. How great is that?