With running this project on a non existent budget, a lot of the stuff is going to have be  $1 or borrowed temp from another project.


Here is the poor mans "Fog" build. I built this unit as a pesticide doser, by just adding water it will create safe cool mist and by adding a few delivery hoses we should be able to route this wherever it is needed.


Take a look at the Vertical Growing Blog for more info on this mister:


Automated Green House Blog's Home Page [Updated: 6/10/2015 < British Format]






What you will need:

[The Prices are estimates]


>24v Ultrasonic Mister [£2]

[You may want multiple units for large rooms/ large amounts of mist]




>24v Power supply

Any source of 24V DC, make sure it can supply enough current for your planned number of misters and Fan.

Misters have a female 5.5mm Power jack [common size for wall mounted power supplies]


>24v PC Fan £1

24v Fan


> A Container Of your Choice with removable LID [Wide and shallow is better]


>Fan Speed Controller [Optional] £2

The basic ones just work as a voltage divider, so you can make your own from a potentiometer if you like.



>5.5mm 12v splitter cable [Optional] £2



How to build it:

As Always this is just a set of instructions, follow them at your won risk.

>I'm not including a wiring diagram with this blog, everything operates at the same voltage and it is as simple as wiring all parts in parallel.

>Cut 4 holes in the top of the container you plan to use, two the size of the fan you selected and two smaller ones for the waterproof bungs on the mister wires.

>Mount the fan so it is blowing air into the container [stops the motor getting wet] and alter the mister lead length in the bungs to place them in the middle of the container away from your inlet and exhaust holes.

>Add a exhaust pipe if you want to direct the mist to somewhere else.


How To use:

As a general mister or humidifier to keep cool in summer or for a Halloween project, just add water power it on and let it do its thing, use the fan controller knob to control the amount of mist you want. We will be using a PWM controller to do this later int he project.



Keep an eye on the main Animated_Grim Project:


PumpkinPi2015 Competition Animated_Grim Blog: Home Page