When Button () is ()

This article or section documents something only available on the Raspberry Pi version of Scratch 3.0.

When Button () is ()
when button (0 v) is [pressed v]:: extension hat
Category	Raspberry Pi Simple Electronics
Type	Hat
Introduced in	3.0

The when button () is () block is a Raspberry Pi Simple Electronics block and a hat block. In the first option, numbers 0 through 27 can be inputted, with each number representing a GPIO pin. The second options are "pressed" and "released". The block activates when the specified LED is pressed or released, depending on the input.

Example uses

• Making a sprite say something when a button is pressed

When button (0 v) is [pressed v]:: extension hat
say [Hey, that tickles!]

When button (0 v) is [released v]:: extension hat
say [I'm good now.]