LEDs and buttons
Start learning about inputs and outputs with your BBC micro:bit's LEDs and buttons
LEDs
An LED, or light-emitting diode is an output device that gives off light. Your BBC micro:bit has a display of 25 LEDs for you to program.
![](https://cdn.sanity.io/images/ajwvhvgo/production/db49f8a8b6be16ea68dc6634a3b9fccb795bd575-395x322.gif?rect=0,12,395,296&bg=fff&w=232&h=174&q=90&fit=min&auto=format)
Turn your micro:bit into an animated name badge
![](https://cdn.sanity.io/images/ajwvhvgo/production/729d4a042f6eb6892182ffdb1d2a726a1f4b3d74-383x313.gif?rect=0,12,383,287&bg=fff&w=232&h=174&q=90&fit=min&auto=format)
Make your micro:bit’s heart beat using loops
![](https://cdn.sanity.io/images/ajwvhvgo/production/8b5b3bee09922106dc45b932c661108cfb68b41d-800x600.png?bg=fff&w=232&h=174&q=90&fit=min&auto=format)
Regulate your breathing and relax
Buttons
Buttons are a very common input device. Your micro:bit has two buttons you can program, and a reset button.
![](https://cdn.sanity.io/images/ajwvhvgo/production/e54fb56e44bf63220bd2d98ce13d177fb4f73355-369x302.gif?rect=0,12,369,277&bg=fff&w=232&h=174&q=90&fit=min&auto=format)
Count skips, jumps, birds - or anything!
![](https://cdn.sanity.io/images/ajwvhvgo/production/86e5da4fed89ce6729b522e6e8a8f12c88a2d7f1-790x635.png?rect=0,21,790,593&bg=fff&w=232&h=174&q=90&fit=min&auto=format)
Use your micro:bit to express how you’re feeling
![](https://cdn.sanity.io/images/ajwvhvgo/production/8bcce5089d440a2bfcd7f960e693d850a02be5e6-1507x1102.jpg?rect=19,0,1469,1102&bg=fff&w=232&h=174&q=90&fit=min&auto=format)
Test your knowledge of times tables with this project.
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