HCF4093 Sponge Foam Cutting Machine (CD4093) based on an integrated circuit which is connected with the mechanical disruption ezistans heating wire sponge, foam-like material makes the cut neatly with the potentiometer VR1 ezistans wire MOSFET BUK453 used temperature setting... Electronics Projects, Simple Sponge Foam Cutting Machine "analog circuits projects, simple circuit projects, " Date 2019/08/02