retrieve Bdale's ATmega32U4 from out-of-tree stash
[hw/altusmetrum] / symbols / common / opto-coupler.sym
2020-12-14 Bdale Garbeeclean up the opto-coupler symbol a bit
2020-12-14 Bdale Garbeesymbol for a typical 4-lead optocoupler like pc817d...