PCI

 Programa para placa de circuito impresso: EasyEDA -Programa Online DesignSpark PCB PCB Artist DipTrace ZenitPCB Fritzing FreePCB gEDA   (Linux) Osmond PCB  (Macintosh) KiCad EDA BSch3V ExpressPCB PCB123 PCB Layout Tool CometCAD Merlin PCB Designer 1] https://cluberobotica.wordpress.com/software/software-pcb/ 2] https://blog.novaeletronica.com.br/programa-para-criacao-de-placas-de-circuito-impresso-pcb/