Leds y Servo Motor Control

Aquí tienes la conexión, el código y la descripción del circuito para lograr que 3 LEDs permanezcan siempre encendidos y el servo gire a 90° cuando se presione el botón (usando Arduino Uno).

Conexiones

Table


ComponenteConexión en Arduino UnoNotas
LED1Pin digital 2 → LED1 (+)Conectar en serie un resistor de 220Ω al ánodo; cátodo a GND.
LED2Pin digital 3 → LED2 (+)Conectar en serie un resistor de 220Ω; cátodo a GND.
LED3Pin digital 4 → LED3 (+)Conectar en serie un resistor de 220Ω; cátodo a GND.
BotónPin digital 7 → botónUsar la resistencia pull-up interna (configurada en el código) y conectar la otra terminal a GND.
ServoPin digital 9 → señal servoAlimentar el servo con 5V y GND del Arduino.

Código Arduino

Cpp


#include <Servo.h>

Servo myServo;
const int servoPin = 9;
const int ledPins[] = {2, 3, 4};
const int buttonPin = 7;

void setup() {
  // Configurar LEDs como salida y encenderlos permanentemente
  for (int i = 0; i < 3; i++) {
    pinMode(ledPins[i], OUTPUT);
    digitalWrite(ledPins[i], HIGH);
  }
  
  // Configurar botón con resistencia interna pull-up
  pinMode(buttonPin, INPUT_PULLUP);
  
  // Configurar servo
  myServo.attach(servoPin);
  // Posición inicial del servo = 0°
  myServo.write(0);
}

void loop() {
  // Si se presiona el botón (estado LOW)
  if (digitalRead(buttonPin) == LOW) {
    myServo.write(90); // Girar a la mitad del rango (90°)
  } else {
    myServo.write(0);  // Volver a posición inicial (0°)
  }
}

Descripción del Circuito
  1. LEDs Encendidos
    Cada LED se conecta a un pin digital (2, 3 y 4) a través de un resistor de 220Ω para limitar la corriente. Los cátodos de los LEDs se conectan a GND. Así, cuando el Arduino arranca, los LEDs se ponen en estado HIGH, permaneciendo encendidos.
  2. Botón con Pull-Up
    El botón se conecta entre el pin digital 7 y GND. El pin se configura con la resistencia interna pull-up, por lo que su estado normal es HIGH. Al presionar el botón, el pin se lleva a LOW, lo que activa el movimiento del servo.
  3. Control del Servo
    El servo se conecta al pin digital 9 para la señal, y se alimenta con 5V y GND del Arduino. Inicialmente se posiciona en 0°; cuando se presiona el botón, el código le manda escribir 90°.

Con este esquema, tu proyecto "Slimy Red Electronic Thumb" (aunque aún debes actualizar la descripción en el proyecto de Flux) cuenta con la funcionalidad requerida: tres LEDs fijos y un servo que se posiciona a 90° al presionar el botón. ¿Necesitas ajustar algún detalle adicional?
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    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
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    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
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    A common return path for electric current. Commonly known as ground.
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
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