STEP1: Connect the knob to Pin P1 of the expansion board, the LED strip to P2.
STEP2: The following logic diagram will help you to build a general idea about how to realize a DJ Bandstand.
STEP3: Programming
1. Take programming “0
2. Since there are only 7 LEDs, so we can use different light effect to express the sound “Do” in the eighth section as shown below.
3. To convenient operation, we can make a little bit improvement, such as add a handle to the knob, or mark the range of each sound.
License 
All Rights
Reserved
0
Related Makelogs
![[Boson for micro:bit] Mind+ and micro: bit 01](https://dfimg.dfrobot.com/5dbaa190f2c4183e48c5a2b7/makelog/03f9dae68bc594a9f63386774fe54ee7_224x164.jpg)
