https://www.modmypi.com/berry-clip-raspberry-pi-add-on-board?filter_name=berryclip
This really cheap and useful board is an alternative to @drogon LadderBoard.
It has 6 LEDs, a switch and a buzzer
To use it just set the AddOn variable to Berry and then you have easy methods of accessing it
Broadcasts available
[Led1..6] [On/Off/High/Low] e.g broadcast Led1On will make first red led light up
[All] [On/Off/High/Low] e.g broadcast AllOn will make all LEDs and the buzzer come on.
[Buzzer] ]On/Off/High/Low] e.g broadcast BuzzerOn
Variables
You can use variables instead e.g Set Led1 On will turn on 1st LED
And also use Power1..6 (values 0-100) variables to vary the brightness as
Sensor
There are two sensor values returned and they are called switch and switch2 (1 if not pressed – 0 if pressed)
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