The electric ukulele

This is an electric ukulele. The body and neck are fully printed. Inside, the ukulele is supported by an aluminum rail. The coils for the pickups are self-wound. Additionally, a microcontroller analyzes the tones and plays a light show on the transparent body.
Here is the video:
https://youtube.com/shorts/iELO0eZoeV4

#Material:
Transparent filament for the body
Multicolor filament for the neck
Threaded insert M3
Screws M3 (8mm)
RGB LED WS2812 144Pixel/m (1m)
ESP8266 microcontroller
Two potentiometers (M7, 500 Ohm)
Magnets (Radius 3mm, Height 2mm), around 100 pieces
Cables
Super glue
Enamelled copper wire (0.3mm, 20m)
Aluminum wire (2mm, 1m)
Rectangular aluminum profile (10mm x 4mm x 100mm)
Aluminum U-profile (10x10x10x2mm, 48cm)
Jack coupling (6.3mm)
Guitar tuning pegs (3R, 3L)
Nickel wound electric guitar strings

#Code for the ESP8266 via Arduino IDE:

'#define analogPin A0
'#include <Adafruit_NeoPixel.h>

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(99,4, NEO_GRB + NEO_KHZ800);
static byte numPixel = 96;
byte pixelColor[96][3];
float analogValue = 0;
int lastAnalyse = millis();
byte dataLength = 180;
float data[180];
byte dataPosition = 0;
float distance = 0;
float amplitude = 0;

void setup() {
Serial.begin(115200);
for(byte i=0;i<numPixel;i++){
pixelColor[i][0]=0; //red
pixelColor[i][1]=0; //green
pixelColor[i][2]=0; //blue
}
pixels.begin();
pixelColor[0][0]=50; //red
pixelColor[0][1]=50; //green
pixelColor[0][2]=250; //blue
}

void loop() {
if(dataPosition < dataLength){
data[dataPosition] = analogRead(analogPin);
dataPosition++;
}else {
dataPosition = 0;
byte maxPosition = 0;
byte minPosition = 0;
for(byte i=0;i<dataLength;i++){
if(data[maxPosition]<data[i]){
maxPosition = i;
}
if(data[minPosition]>data[i]){
minPosition = i;
}
}
if(maxPosition>minPosition){
distance = maxPosition - minPosition;
}else{
distance = minPosition - maxPosition;
}
amplitude = data[maxPosition] - data[minPosition];
if(amplitude > 10){
Serial.print("distance: ");
Serial.println(distance);
Serial.print("amplitude: ");
Serial.println(amplitude);
}
if(amplitude > 11){
byte intensity = 0;
if(amplitude < 25){
intensity = amplitude8;
}else{
intensity = 255;
}
if(distance<dataLength0.2){
pixelColor[0][0]=intensity; //red
pixelColor[0][1]=0; //green
pixelColor[0][2]=0; //blue
} else if(distance<dataLength0.3){
pixelColor[0][0]=intensity; //red
pixelColor[0][1]=intensity/2; //green
pixelColor[0][2]=0; //blue
}else if(distance<dataLength0.4){
pixelColor[0][0]=0; //red
pixelColor[0][1]=intensity; //green
pixelColor[0][2]=0; //blue
}else if(distance<dataLength0.5){
pixelColor[0][0]=0; //red
pixelColor[0][1]=intensity; //green
pixelColor[0][2]=intensity; //blue
}else if(distance<dataLength0.6){
pixelColor[0][0]=0; //red
pixelColor[0][1]=0; //green
pixelColor[0][2]=intensity; //blue
}else {
pixelColor[0][0]=intensity; //red
pixelColor[0][1]=0; //green
pixelColor[0][2]=intensity; //blue
}
}else{
pixelColor[0][0]=0; //red
pixelColor[0][1]=0; //green
pixelColor[0][2]=0; //blue
}

pixelStep();
pixels.show();
}
}

void pixelStep(){
for(byte i=1;i<numPixel;i++){
pixelColor[numPixel-i][0]=pixelColor[numPixel-i-1][0]; //red
pixelColor[numPixel-i][1]=pixelColor[numPixel-i-1][1]; //green
pixelColor[numPixel-i][2]=pixelColor[numPixel-i-1][2]; //blue
}
for(byte i=0;i<numPixel;i++){
pixels.setPixelColor(i,pixels.Color(pixelColor[i][0],pixelColor[i][1],pixelColor[i][2]));
}
}