Made arduino EQ and made a discord selfbot

C++/Arduino/Audio_Visualizer/Audio_Visualizer.ino

@@ -0,0 +1,42 @@
+void setup(){
+  for (int i = 3; i <= 13; i++) {
+    pinMode(i, OUTPUT);
+  }
+  for (int i = 3; i <= 13; i++) {
+    digitalWrite(i, HIGH);
+    delay(100);
+  }
+  Serial.begin(9600);
+  while (!Serial) {
+    ;
+  }
+  for (int i = 0; i < 4; i++) {
+    delay(100);
+    allOn();
+    delay(100);
+    allOff();    
+  }
+}
+
+void loop(){
+  while (Serial.available() > 0) {
+    int numOfLights = Serial.parseInt() + 3;
+    allOff();
+    for (int i = 0; i < numOfLights; i++) {
+      digitalWrite(i, HIGH);
+    }
+  }
+}
+
+void allOff() {
+  for (int i = 3; i <= 13; i++) {
+      digitalWrite(i, LOW);
+  }
+}
+
+void allOn() {
+  for (int i = 3; i <= 13; i++) {
+    digitalWrite(i, HIGH);
+  }
+}
+

C++/Arduino/Audio_Visualizer/Serial_Output/Serial_Output.pde

@@ -0,0 +1,32 @@
+import processing.serial.*;
+import processing.sound.*;
+
+AudioIn input;
+Amplitude analyzer;
+Serial port;
+
+void setup() {
+  size(200, 200);
+
+  port = new Serial(this, "COM3", 9600);
+
+  input = new AudioIn(this, 0);
+  input.start();
+  analyzer = new Amplitude(this);
+  analyzer.input(input);
+ }
+
+void draw() {
+  float vol = analyzer.analyze();
+  float normal = 10+vol*200;
+
+  int out = int(map(normal, 0, 60, 0, 11));
+  
+  if (port.available() > 0) {
+    String s = port.readString();
+    println(s);
+  }
+    
+  port.write(Integer.toString(out));
+  port.write(" ");
+}