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Hello everyone. I have a bit of a problem with powering the DFPlayer module via the esp8266 module. Namely, I decided to install LEDs and a DFPlayer module in a 1:24 scale car model, which was supposed to play me the sound of a running engine. Everything is powered by an old phone battery, which when fully charged is 4.2V. Of course I used a voltage stabiliser to supply the esp8266 module with 3.3V. And now as an example of the auto start of the DFPlayer I used this YouTube tutorial: https://www.youtube.com/watch?v=uI5TDwnCrTA
I figured that by connecting the power pin from the module to the D2 pin of the esp8266 and turning it to the "HIGH" state it would start my sound.... Unfortunately this was not the case as the DFPlayer module works best on higher voltages. Perhaps one solution would be to connect the DFPlayer before the stabiliser, but that means I would have to run the sound through the RX/TX pins (somehow), but I'm poor at coding. So I thought connecting to the power supply on pin D2 would solve the problem.
Or the other solution (maybe) is I saw on YouTube something like a "logic level converter" (picture), which supposedly works both ways.... And now the question is, if I connect something like that to ground and pin D2 (3.3V), will it give me a higher voltage at the output, so that the DFPlayer module will start for me? Does anyone have any knowledge of this? Because if not, I'm going to have to figure out how to run audio through those RX/TX pins (which is probably six months away).
.
I figured that by connecting the power pin from the module to the D2 pin of the esp8266 and turning it to the "HIGH" state it would start my sound.... Unfortunately this was not the case as the DFPlayer module works best on higher voltages. Perhaps one solution would be to connect the DFPlayer before the stabiliser, but that means I would have to run the sound through the RX/TX pins (somehow), but I'm poor at coding. So I thought connecting to the power supply on pin D2 would solve the problem.
Or the other solution (maybe) is I saw on YouTube something like a "logic level converter" (picture), which supposedly works both ways.... And now the question is, if I connect something like that to ground and pin D2 (3.3V), will it give me a higher voltage at the output, so that the DFPlayer module will start for me? Does anyone have any knowledge of this? Because if not, I'm going to have to figure out how to run audio through those RX/TX pins (which is probably six months away).
.
