Circuit Design Inquiry

flux

Está mal principalmente por las conexiones del protoboard:
  1. El riel positivo no parece alimentar correctamente el circuito
    • El cable verde de la batería/fuente va al riel superior, pero luego las conexiones bajan a columnas concretas. Si no conectas bien el riel + al nodo del pulsador/LED, no habrá alimentación real.
  2. El LED y la resistencia no están claramente en serie
    • Para que el LED funcione seguro, debe ir así:
    • +V → pulsador → resistencia → ánodo LED → cátodo LED → GND
    • O también:
    • +V → pulsador → ánodo LED → cátodo LED → resistencia → GND
    • En tu imagen parece que la resistencia y el LED podrían no compartir la misma fila/columna correcta.
  3. El pulsador probablemente está mal orientado o mal conectado
    • En un pulsador de 4 patas, las dos patas del mismo lado suelen estar internamente unidas.
    • Debe cruzar la ranura central del protoboard o estar conectado usando pares opuestos correctamente.
    • Si lo pones de forma incorrecta, puede quedar siempre conectado o nunca conectar.
  4. El componente azul parece un capacitor, pero está conectado raro
    • Si es un capacitor, no debe ir “en medio” sin una función clara.
    • Si está entre positivo y negativo, sirve como filtro.
    • Si está en serie o conectado a filas equivocadas, puede impedir que el LED funcione o causar un corto momentáneo al pulsar.
  5. Puede haber un corto entre + y -
    • Algunas líneas verdes parecen unir rieles o columnas que podrían terminar conectando positivo con negativo indirectamente.
    • Si la fuente se calienta, el LED no enciende y el voltaje cae, sospecha de corto.
Conexión correcta simple para encender LED al pulsar:
Text
+ batería → pulsador → resistencia 220 Ω a 1 kΩ → ánodo LED
cátodo LED → - batería
Recuerda:
  • Ánodo del LED = pata larga = lado positivo.
  • Cátodo del LED = pata corta / lado plano = va hacia GND.
  • La resistencia siempre debe ir en serie con el LED, no en paralelo.
  • En el protoboard, cada grupo de 5 agujeros en una misma columna está conectado internamente; la ranura central separa ambos lados.
Cableado paso a paso
Revisar pulsador
Ubicar resistencia
Identificar LED
Calcular resistencia
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