BCD to 5x7 display decoder using relays.
(Corresponds to the display of 0 to 9)
I worked a little harder to optimize and at the same time changed the fonts to my preference.
It became a little more difficult to reduce the number of relays any further, but I think it is possible depending on the font.
Ver3
http://everycircuit.com/circuit/5925184112558080
Ver1
http://everycircuit.com/circuit/6107623161856000
