i bought an arduino nano, brushless motor, 30A esc and 3s 30A batteries, im trying to make a small holdable fan with them but when i plug everything in it doesnt work, i found out that when i removed the 5V it works (while its in usb) but i dont wanna always be close to pc or make it wired. when im trying to make the arduino power on i only have the 5v output/input(idk) but when i plug it in the arduino lights, but the motor doesnt spin. my wiring is okay and sorry if i didnt gave a lot of info, im new to these things.
Your wiring is wrong. The motor needs a separate power supply.
the only power suply i plugged is straight to the esc, oh and i checked my wiring it isnt off or some kind, brown = gnd, red = 5V and yellow = d1-13 (i use 6), theres notting except* the ecs, motor, arduino and the batteries*.
Post a wiring diagram with pins, parts and connections clearly labeled.
A photo of a pencil and paper drawing is fine.
The labels brown red and yellow are not electrical names. Give them proper names.
That phrase is contradictory.
I think you meant it only works when plugged into USB.
Since USB provides power, and you also said not wired, then you need to use a battery to supply power to the Nano.
brown = gnd (ground) red = 5V, yellow = data thing, i dont know the name.
"I think you meant it only works when plugged into USB." yes it does, but if i dont plug the 5V into the red if its plugged in the usb,
"Since USB provides power, and you also said not wired, then you need to use a battery to supply power to the Nano." i heard that anything thats over or less that 5V doesnt work with the arduino and it can blow up or smt like this. im not sure but can i plug into my battery in my drawing? (12.6V)
Don't know off the top of my head and do NOT do this
Get the datasheet for the Nano and then you will KNOW what to do.
Looks like someone already gave you the answer instead of using this as a learning opportunity. So sad.
i cant find the datasheet nor know how to open or look at it. im new to these things dude cant you just be positive?
edit : "...Vin is the voltage fed to the system, unregulated. This is between 3-18 volts for a non-knock off version of the board."
edit2: its smoking. do i need a resistor or is there a input of some kind.
I am absolutly positive. A datasheet is documerntation, sorry if you didn't know that. Lets start from the beginning.
And here is the pdf in which I have marked in RED the key parts. NOTICE in one place it says a max of 12V and in another 15V. Obviously use the 12V as it is less likely to ruin the board, but if in doubt many folks use a buck converter to drop the supply voltage to a value like 9 to 10VDC.
A000005-datasheet (2).pdf (3.3 MB)
BTW, factually accurate answers are neither positive or negative. Unfortunatly many folks confuse the emotional statements of positive or negative with unemotional facts.
Never saw 18V, I have seen in the Datasheet 12V or 15V so if you went as high as 18 you may have ruined the board.
To 'drop' the voltage from 18V you need either a buck converter, or a voltage divider. Using a resistor is not usually done for this use case.
@the_class1cone That is the 3rd voltage ref I have seen, the other two are 7-15V and 7-12V
Note the following from the Datasheet Power Tree section
Make sure you are using the VIN pin, pin 30, lower left which is the opposite end of the USB conector.
no i just have 11.1V Normal and 12.6V max 3s 2400mah 30a batteries, i cant go up to 18 volts and i stopped when i saw the smoke, i dont know whats a buck converter or a voltage divider is but im going to look at it.
something like this? : NX-Buck3A Fixed
Is English your first language? It sounds like it isn;t so let me explain. When a datasheet says that VIN can be 7VDC to 12VDC then that means any voltage greater then 7 and less than 12 will work. Since you have 11.1VDC nominal, your battery is fine.
The Nano has a Voltage regulator on it that is why there is a range, you don;t need a buck converter, but you can use one if you want. There is a reason that is optional so I will let you study that.
Take a photo of where the battery is connected to the Nano. Very important!!!!!
Have you read and understood post 14 and 15?
yes i understanded it, english isnt my first language but like i said when i connect it to vin, it smokes i think its also connected to the motor and that jumps the batteries to max (12.6V)
oh and whats vdc?
That makes no sense, adding load drops the voltage. Also, a 3S is only 12.6 for a few seconds, it will be 11.1 (3x3.7) for 80% or more of the time.
vdc is DC Voltage. Without context I can't tell you more.
You have not done the following, without that I can't help further and will ignore you until you do.
Take a photo of where the battery is connected to the Nano. Very important!!!!!










