Micro:bit

The BBC micro:bit https://microbit.org/ is a pocket-sized computer designed for use in computer eduction. https://en.wikipedia.org/wiki/Micro_Bit

• version 1 - 2016 started shipping. Buttom edge is flat.
• version 2 - introduced in 2020. Bottom edge is bumpy. A more powerful processor. Speaker and microphone, touch sensitive logo
• version 2.2 - details - basically identical to version 2. and the results of supply chain issues. firmware different. There is a 2.20 and 2.21

It has https://microbit.org/get-started/features/overview/ specs and pictures here!

• 25 LED lights that can flash messages
• 2 programmable buttons
• accelerometer to detect motion
• compass
• radio receiver
• bluetooth to interact with other devices
• in and out pins to connect to other devices via edge connector

Default Program

https://microbit.org/get-started/user-guide/meet-the-microbit-program/

• manufactored after June 23 will run ‘meet the micro:bit’ program
• previous will run a slightly different program reffed to as Out of box experience.

When you power on the default program runs.

https://makecode.microbit.org/#editor

• power button - power on - love heart and hello sound

• power button 4secs - power off

• left button - smiley face and sound

• right button - sad face

• both - snake game?

• sensor hold - it records.. let go to play back
• shake it - face makes on O

if light high (ie torch on front) - it does power up when both buttons held

MakeCode

https://makecode.microbit.org/

Pairing micro:bit with Chrome. Essentially connecting a device like a microphone to a webpage. Sometimes it fails and you need to just try again.

1. Heart - show heart on LEDs

2. Heart Beating unplug and see what happens when connected to battery

need to be careful with connectors!

1. Animated Animals - Duck up and down

emulator..

1. Emotion Badge - ButtonA is happy, B is sad

2. Get Silly - same as above with a tongue

3. Flashing Emotions - using buttonA and B..same.. except flashing

4. Here comes the sun

5. sunlight2 - 3 parts to it

6. shining sunbeams

7. sunlight3 - using light sensor… < > also <= and =>

8. name badge - show string block

9. shake dice - on shake block to make random number. show number block

10. magic 8 ball - if then else if else block

11. rock paper scissors - 3 icons… do with a friend on 2 bits.. or with an emulator. uses variable set

12. grpahical dice - on shake displays an icon ie led. change to on button a is better

13. step counter - on shake and on start change steps and show number

14. low energy step counter

Scratch

https://scratch.mit.edu/microbit

install connector

copy scratch hex to micro:bit

add extension to scrach

1. scratch cat

2. scratch theremin - lots of fun playing with this.. works on twist.

When shake the microbit it jumps the cat. Using bluetooth maybe?

Classroom

Online multiuser

https://classroom.microbit.org/