Compound Elements

Several compound elements defined based on other basic elements.

Optocoupler

class schemdraw.elements.compound.Optocoupler(**kwargs)

An optocoupler/optoisolator element

Parameters

• box (bool) – Draw a box around the optocoupler

• boxfill (string) – Color to fill the box

• boxpad (float) – Padding between phototransistor and box

• base (bool) – Add a base contact to the phototransistor

Relay

class schemdraw.elements.compound.Relay(**kwargs)

A relay with inductor and switch

Parameters

• unit (float) – Unit length of the inductor

• cylcoid – Use cycloid style inductor

• switch (bool) – Switch style; ‘spst’, ‘spdt’, ‘dpst’, or ‘dpdt’

• swreverse (bool) – Reverse the switch direction

• swflip (bool) – Flip the switch

• core (bool) – Show inductor core bar

• link (bool) – Show dotted line linking inductor and switch

• box (bool) – Draw a box around the relay

• boxfill (string) – Color to fill the box

• boxpad (float) – Spacing between components and box