DIY dosing pump with NO controller HELP

[100%hydrophylic]

Hello, Ive been looking into DIY dosing pumps, and I was wondering if all this would work? I would like to control the pump to work at 10ml/min, 20ml/min, 30ml/min, etc. I was wondering if that motor pump speed controller along with that dosing pump I have linked is capable of that.

Motor Pump Speed Controller
http://www.amazon.com/RioRand-trade...93&sr=8-4&keywords=12v+motor+speed+controller

Dosing pump
http://www.ebay.com/itm/12V-DC-DIY-...=100011&prg=10413&rk=1&rkt=10&sd=400583850816

12vdc Power supply
http://www.ebay.com/itm/190486317823?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

Programable timer
http://www.amazon.com/gp/product/B008999RYY/ref=oh_details_o08_s00_i00?ie=UTF8&psc=1#productDetails

Thank you

 

[mcgyvr]

yep.. should do it.

 

[zachts]

Good to go, just make sure you wire things right. I know that's just a diagram but the timer only switches the DC+ to the pump/controller.

You may get more accurate dosing if you wire it leaving the speed controller powered all the time so the Caps don't charge and discharge each time the timer switches on. (It would only be a few seconds off but if you want the pump to start as soon as the timer switches on and off as soon as the timer switches off then you need to have it switching the line from the controller to the motor. (didn't see the relay and power input pins on the timer from that link so this may or may not be possible if the timer and relay share a common pin which it may.

One of these smaller controller boards might be more suited to running such a small load. takes up a lot less space also. But the one you linked to works well, I use them on several. http://www.ebay.com/itm/Adjustable-...520?pt=LH_DefaultDomain_0&hash=item3ce5388200

 

[100%hydrophylic]

Good to go, just make sure you wire things right. I know that's just a diagram but the timer only switches the DC+ to the pump/controller.

You may get more accurate dosing if you wire it leaving the speed controller powered all the time so the Caps don't charge and discharge each time the timer switches on. (It would only be a few seconds off but if you want the pump to start as soon as the timer switches on and off as soon as the timer switches off then you need to have it switching the line from the controller to the motor. (didn't see the relay and power input pins on the timer from that link so this may or may not be possible if the timer and relay share a common pin which it may.

One of these smaller controller boards might be more suited to running such a small load. takes up a lot less space also. But the one you linked to works well, I use them on several. http://www.ebay.com/itm/Adjustable-R...item3ce5388200

I dont know why they dont show the pins, but I think it has 4:

here is a similar one by the same company:
http://www.amazon.com/220V-240V-Digital-Power-Programmable-Switch/dp/B00EZI0AFI

http://www.popscreen.com/p/OTkzODkx...Programmable-Timer-Time-switch-Relay-16A-eBay

Oh and those controller boards are a lot cheaper. I cant find one on ebay that is "buy it now" though. They will work fine for what i intend to do? Also i dont see how to wire those little ones

 

[zachts]

the little board wires the same way, though it has a DC jack for powering the board and two screw terminals for the motor on the opposite end of the board.

Here is how I would suggest wiring it all up. Just be sure to note the + and - input on the back of your timer, if it is indeed powered by 12v it should have this indicated on the back. the latter pics you posted were of an 230v AC input model, just FYI.