Components to control BLDC-motor with Arduino Uno

Other Hardware Motors, Mechanics, Power and CNC
1

Hello,

I'm totally new with Arduino and I'm now working on a project where i need to control a BLDC-motor with my Arduino Uno Wifi. What I what to do is to run a fan with a BLDC-motor and vary the speed continuously. I want to do that with my Arduino Uno Wifi that I will control wirelessly with my smartphone over WiFi. So I wonder: what is the easiest and cheapest way to do that and what components do I need? If possible I would like to power my motor from the Arduino or from the wall but not from battery.

So I want to:

  1. Vary the speed continuously
  2. Do that wirelessly from my smartphone (not sure if this matters but tell you in case)
  3. Power my engine from the Arduino or wall
  4. My old brushed DC-motor where 88W so I think I would like my new BLDC-motor to be around 100W

What do I need?

BLCD-motor
ESC?
AC/DC power source?
Cables?
Potentiometer?
Something else?

If I for example by this outrunner (just example) https://hobbyking.com/en_us/ntm-prop-drive-28-30s-800kv-300w-brushless-motor-short-shaft-version.html (not sure if good choice) then I could use this https://hobbyking.com/en_us/turnigy-ae-25a-brushless-esc.html ESC?

It's good to have some extra power but to drive a 300W motor I need a huge AC/DC power source? That is expensive to buy and ship. Do I need 300W to run a fan or should I buy a smaller motor?

Please guide me as you see I'm not sure where to start..

Kindly

2

Do I need 300W to run a fan or should I buy a smaller motor?

We can't have the slightest idea if you don't tell us which fan you are talking about!

Lets establish the load before choosing anything else.

3

Sorry it's a centrifugal fan with a diameter of around 30 cm

4

I want to move around 500 m³/h of air

5

Then you need a fan that can provide that performance.
Provide a link to the fan you wish to use.
Your hobbyking links do not work.

6

500m3/h is about 300cfm? A 300 cfm rated bathroom fan moves that with about 60-100 watts. Depends on how efficient the fan is but 300 watts can move a lot of air!

7

alka:
500m3/h is about 300cfm? A 300 cfm rated bathroom fan moves that with about 60-100 watts. Depends on how efficient the fan is but 300 watts can move a lot of air!

Thanks then I guess I have enough power!

Anyone who knows if it is possible to replace battery with another power source?