(Redirected from Button () Pressed (block))

Button () Pressed?
<button ( v) pressed? :: ev3 >
Category LEGO MINDSTORMS EV3
Type Boolean
Introduced in 3.0

The button () pressed? block is a boolean block and a LEGO MINDSTORMS EV3 block. Its options are "1", "2", "3", and "4". The block returns whether or not the button connected to the specified port on the EV3 unit is pressed.

Example Uses

  • Sensing when a correct answer in a quiz is chosen.
when I receive [level 1 v]
say [Which of these is the correct answer?]
if <button (2 v) pressed?::ev3> then
say [Correct!] for (1) seconds
broadcast (level 2 v)
else
say [Incorrect. Please try again.] for (2) seconds
broadcast (level 1 v)
end
  • Sensing when an option is chosen in a choose your own story game.
. . .
say [Suggest a location where he may be.]
if <button (1 v) pressed?::ev3> then
say [Going to the cafe!] for (2) seconds
broadcast (cafe v)
end
if <button (2 v) pressed?::ev3> then
say [Running to the store!] for (2) seconds
broadcast (store v)
end
if <button (3 v) pressed?::ev3> then
say [The park is a good idea!] for (2) seconds
broadcast (park v)
end
if <button (4 v) pressed?::ev3> then
say [That is a good idea!] for (2) seconds
broadcast (forest v)
end
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