1. Add (at least) a button and LED (with current-limiting resistor) to the serial echo hello world board.
2. Do a modification to the serial echo assembly program so it will respond to the button.
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Tools:
Soldering Iron, Modela milling machine,
python - term.py, a computer , a serial connection
Commands to make the hex file and flash it to the Hello board.
make -f hello_blink.make
sudo make -f hello_blink.make program-usbtiny-fuses
sudo make -f hello_blink.make program-usbtiny
