After a while, I realized that the GPIO from the ESP8266 was not going to drive the 5v needed for the relay to be activated. I only get the relay module led turned slightly on, but I don't get the relay activated.
I tested the relay and it works if I control it with an arduino or even with a direct 5v in its IN1/IN2 inputs.
That's why I bought a Logic Level converter, which turns my 3v signal into a 5v one.
How I set all up
Here's a schematic of what I set up for this. (I don't know how to add components to fritzing, so this is just to get the concept of what I've done)
Everything is powered by a 5v USB and the 3v part of the Logic Level is powered from the ESP8266 3v pins
I'm using the GPIO14, but also tested with the GPIO 4.. not sure if there's a difference there.
After setting that, I can see that the blue wire, this is where my 5v signal should be, gets a 3v instead. And that's my actual question:
- Why my converter won't convert my gpio14 3v to 5v? What am I doing wrong, or is it the converter that's fried?
I'm testing this with a multimeter. And of course, this means the relay is not triggered.
Let me know If I can provide anything else, any help is appreciated. May be i just need to buy a new converter?
Thanks a lot!