I am new to arduino and am following the tutorials to learn the basics, but the desire to experiment is leading me to try to make a small but complete project.
For example, I would like to make a fan move with enough power to create a sucking effect, like a small hoover.
But I am struggling to find diagrams on similar projects, especially to get an idea of the circuit and the voltage and power levels of the battery and the fan.
Do you have any ideas? Thanks
Maybe do a Google search for 'arduino DC motor control'
First find a fan that gives the suction You want. Note that cooling fans are very poor, or worse, to create suction, or preasure!
Then look at fan voltage to get the driver and the power supply.
Look for radial fans!
But you don’t need an Arduino for that!
Have a look at commercial ones for inspiration , most are useless , some of the newer with very high speed fans are better - always best to see what is available as part of your research - can save you time
Not easy to fabricate as you need filters and some sort of permeable bag fir the sucked up stuff .
Some time ago I built a vacuum pipette to pick up jigsaw puzzle tiles. The smallest fan I could get, a logic level MOSFET, a diode and a flexible air guide (balloon inlet). Later mounted to a robot arm...
Buy a cordless vacuum cleaner and take it apart?
Or use it "as is"....
Old think, you can use an indirect suction system
Exactly
OP, how is this an Arduino project?
I suppose you could use the Arduino for speed control and to monitor the pressure in the bin. Maybe add a filter change warning based on the amount of suction it can create.
Vacuum fan design is completely different to air circulating fans.
The movement of the cleaner has to be implemented somehow.
Very cool idea. A roombaesque project.
Did not see any reference to moving the actual unit, just make the fan move quickly which won't work anyhow.
Really bit of a non starter with all the fabrication etc , getting a good fan etc .no point in re inventing the wheel if there is no benefit . Just buy something it will be far cheaper .
Google cordless vacuum cleaner and avoid the silly little ones that are useless .
Hi,
Vacuum cleaner fans are not your regular ventilation fans.
Tom... 
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