Technical

On a double sided board, the pads of a through-hole component are on both the top and bottom layers.  That way you can connect a trace to a pin when

The ExpressPCB and ExpressSCH programs print 1 to 1 unless what is being printed is too large (with reasonable margins) to fit on the page.   In this

A) Try this first: 1) Uninstall ExpressPCB from the control panel 2) Search your computer for these files, then delete

ExpressPCB does not have the functionality to mirror or flip the layout.

Yes, there are several options for exporting to DXF format using ExpressPCB Classic.  (Please note, this feature has not yet been implemented in

Typically thermal pads are used when a pad is connected to a plane and a component lead will be soldered to the pad. Thermal pads improve the

Our library does not include edge connectors.  However you can make your own. We recommend creating the fingers using surface mount pads. You will