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# Keyboard
Neat and simple example of how the digispark can become a USB device and react to interrupts. Heavily based on http://codeandlife.com/2012/01/29/avr-attiny-usb-tutorial-part-3/
## Usage
Build the program and flash it as usual to the digispark.
```bash
$ make clean && make
$ micronucleus keyboard.hex
```
After the program loads, you should see a new USB device:
```bash
$ lsusb
Bus 111 Device 222: ID 16c0:05dc Van Ooijen Technische Informatica shared ID for use with libusb
```
You can now flip the LED by calling the test program, requires root privilege or proper udev rules:
```bash
$ ./usbtest on
$ ./usbtest off
```
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