Warning: Unsuccessful read: A timeout occurred before the Terminator was reached..

delete(instrfindall);

close(instrfindall);

clear all;

clear s;

global s;

s =serial('COM3','BaudRate',9600,'DataBits',8);

set(s,'timeout',2)

% --- Outputs from this function are returned to the command line.

function varargout = dht111_OutputFcn(hObject, eventdata, handles)

% varargout cell array for returning output args (see VARARGOUT);

% hObject handle to figure

% eventdata reserved - to be defined in a future version of MATLAB

% handles structure with handles and user data (see GUIDATA)

% Get default command line output from handles structure

% --- Executes on button press in pushbutton3.

function pushbutton3_Callback(hObject, eventdata, handles)

x1 = [];

x2 = [];

global s;

time=100;

i=1;

fopen(s)

while(i<time)

fprintf(s, 'Your serial data goes here')

out = fscanf(s);

Temp(i)=str2double(out(1:4));

% disp(Temp);

x1 = [x1 Temp(i)];

plot(handles.axes1,x1);

grid on;

xlabel(handles.axes1,'Time(seconds)');

ylabel(handles.axes1,'Temperature');

title(handles.axes1,'Real Time Temperature Graph');

pause(1)

grid;

Humi(i)=str2double(out(5:9));

% disp(Humi);

x2 = [x2 Humi(i)];

plot(handles.axes5,x2);

grid on;

xlabel(handles.axes5,'Time(seconds)');

ylabel(handles.axes5,'humi');

title(handles.axes5,'Real Time Humidity Graph');

pause(1)

set(handles.edit1,'String',num2str(Temp(i)));

set(handles.edit2,'String',num2str(Humi(i)));

drawnow;

i=i+1;