A Cheap Serial Based TTL Device
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Hardware/Parts:
Software/Downloads:
To Initialize the Arduino Box:
if DAQ == 1
if IsOSX == 1 if (exist('DIO', 'var') == 0) % the exact address can be figured out using http://arduino.cc/en/Main/Software DIO = arduino('/dev/tty.usbmodem621'); end for i = 2:19 DIO.pinMode(i,'output'); DIO.digitalWrite(i,0) end else DIO = digitalio('nidaq','1'); addline(DIO,0,'out'); putvalue(DIO,0); end
else
DIO = [];
end
To Send a pulse:
TTLpin = 2; % any pin from 2 through 19 can be used DIO.digitalWrite(TTLpin,1); % set pin to 5V wrt to GND DIO.digitalWrite(TTLpin,0); % set pin to 0V wrt to GND
To close the session
delete DIO;