Amazon.com: MCIGICM FR-4 Copper Clad PCB Laminate Circuit Board, Single Side, 4 x 2.7 inch (10Pcs) : Tools & Home Improvement
Amazon.com: IIVVERR 150mm x 100mm Blank Yellow FR4 Glass Fiber Single Sided Copper Clad Plated Laminate PCB Circuit Board for DIY (150 mm x 100 mm en amarillo FR4 fibra de vidrio