Kicad ctrlboard

void go_to_90() {
  for (pos=0; pos<=90; pos+=1) {
    int angle = map (pos,0, 90,500, 2500);
    servo.writeMicroseconds(angle);
 
    display.clearDisplay();
    display.setCursor(0, 0);
    display.println("Angle :");
    display.setTextSize(2);
    display.setCursor(0, 16);
    display.print(pos);
    display.print("°");
    display.display();

    delay(20);
  }

}

void go_to_0() {
  servo.write(0);

  display.clearDisplay();
  display.setCursor(0, 0);

import serial
import serial.tools.list_ports

def find_esp32_port():
    ports = serial.tools.list_ports.comports()
    for p in ports:
        if "USB" in p.description or "CDC" in p.description:
            return p.device
    return None

def connect():
    global ard
    port = find_esp32_port()
    if port is None:
        status_label.configure(text="ESP32 not found !")
        return False
    try:
        ard = serial.Serial(port, 115200, timeout=1)
        sleep(2)
        status_label.configure(text=f"Connected to port {port}")
        return True
    except serial.SerialException:
        status_label.configure(text=f"Connection to {port} is not possible")
        return False

root = customtkinter.CTk()
root.title("ESP32 OLED Controller")
root.geometry("300x500")

frame = customtkinter.CTkFrame(master=root)
frame.place(relx=0.5, rely=0.5, anchor="center")

status_label = customtkinter.CTkLabel(master=frame, text="Connexion...")
status_label.pack(pady=10)

btn_90 = customtkinter.CTkButton(master=frame, text="Turn to 90°", command=turn_to_90)
btn_90.pack(pady=5)

btn_0 = customtkinter.CTkButton(master=frame, text="Turn to 0°", command=turn_to_0)
btn_0.pack(pady=5)

def turn_to_90():
    try:
        ard.write(b"1")
        status_label.configure(text="Servo motor tuning to 90°")
    except serial.SerialException:
        status_label.configure(text="ESP32 disconnected")
        
def turn_to_0():
    try:
        ard.write(b"0")
        status_label.configure(text="Servo motor tuning to 0°")
    except serial.SerialException:
        status_label.configure(text="")