![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/6040cb29737e7edda7f220327f6d45ea.png)
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/40a69671e4e5a6271018706bc44df972.png)
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/9908e4b64725bc9056093d334ff3a658.png)
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/1879a437727504f2e81af1ae5cc317cc.png)
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/4d787d4d4070f1e9098fdeaddcc37a67.png)
STEP1: Connect the knob to Pin P1 of the expansion board, the LED strip to P2.
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/eaf932832b88a4725050f21a370c0016.png)
STEP2: The following logic diagram will help you to build a general idea about how to realize a DJ Bandstand.
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/dcd6e13c4fb2de59ee06ae192fe61c3d.png)
STEP3: Programming
1. Take programming “0
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/1c544b591a55745c781857b39ca06fbb.png)
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.
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/5378778c7af14de6db3c88f71c0958be.png)
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/012d21bbffb6e80ce33e1b6c3522d0da.png)
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.
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/b3a49c273de94223c20d638fcc076036.png)
![projectImage](https://dfimg.dfrobot.com/6188847caa9508d63a4183aa/makelog/abd5f642c4bbd89d2f0afa2442eeb379.png)
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![licensBg](/images/license_bg.png)
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