How to make a step function from 2 volts to 2.5 volts in matlab using Arduino? (without Simulink and step matlab function itself)

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Hi everyone
Recently I asked how can I make a step function with writePWMVoltage in arduino MEGA 2560 and matlab.
The idea is to pass from 2 volts to 2.5 volts. Here is my program:
clc
clear all
a = arduino;
writePWMVoltage(a,'D5',2);
for k = 1:1000
writePWMVoltage(a,'D5',2);
if k>=250
writePWMVoltage(a,'D5',2.5);
end
end
When I do this, in some point the voltimeter sizes 2,23 volts before to reach 2.5 volts, and I need the function step (from 2 volts direct to 2,5 volts)
Can you help me please?
Thank you

Respuesta aceptada

Madhu Govindarajan
Madhu Govindarajan el 28 de En. de 2019
What if you changed your code to the following -
clc
clear all
a = arduino;
writePWMVoltage(a,'D5',2);
for k = 1:1000
if k>=250
writePWMVoltage(a,'D5',2.5);
else
writePWMVoltage(a,'D5',2);
end
end

Más respuestas (1)

Jonathan Bijman
Jonathan Bijman el 31 de En. de 2019
thank u so much. it really helps.
thank u again!

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