Using a 12v Windscreen Washer pump, 12v solenoid valve, a tiny PWM & a 12v programmable timer.
There is some info about this in the What have you done to your TDM today thread.
Prototype tested this morning and all is good - I just need a waterproof container for the electronics - oooh hello small Tupperware box.
PWM 1.86 Ebay/Banggood
Pump 5.99 Eurocarparts
Timer 2.44 Banggood
My time = free2me
Solenoid valve from Banggood £3.53
Assembly for testing
http://www.carpe-tdm...lery&image=2375
Edited by Favs, 09 June 2018 - 06:02 am.