Module is available as a DIY project only.
This Module is a prototype or in a concept phase.
Passive vactrol based LPG (dual)
This is a semi passive module, the LED in the vactrol draws current from the CV input. ( so from the output of the module wich delivers the control voltage ). This is a dual module, though passive in nature, both vactrols will draw a current of max 10 mA.