thank you for the quick help.
Last doubt. The relay module works with 5V input and IN1 pins, IN2, IN3, IN4 according to manufacturer's specification is also 5V.
The raspberry sends 3.3V right? what can I do to avoid future problems?

http://itsbrent.net/images/RasperryPi-Garage.png Hello, recently I bought the raspberry2, and created my first progrma in python. My doubt is that the relay actuation occurs in LOW or 0, ie, it seems that logic is working inverted, or am I crazy? The relay module I'm using is similar, the mine has ...

Olá, comprei recentemente o raspberry2, e criei meu primeiro progrma em python. Minha dúvida é que o acionamento do relé ocorre no LOW ou 0, ou seja, parece que a lógica está funcionando invertida, ou estou louco? segue o código: import RPi.GPIO as GPIO import time GPIO.setmode(GPIO.BCM) #board #rl0...