1
Plug the main board, ultrasonic and buzzer blocks into your baseboard like the picture. You can click on the picture to zoom in.
2
Plug in the cables like the picture - the ultrasonic block should be plugged into P0, and the buzzer into P1.
4
Plug in your micro:bit with the USB Cable, and transfer the program you have just downloaded.
5
Test it out! Can you work out what the program does? It should sound the alarm when you get too close - can you work out how to change the code to make it trigger from a further distance?
6
For advanced inventors - can you add some more blocks to make the alarm more impressive? How about the sparkle block which could flash red when the alarm goes off?
