31 Jul 5PCS Single Sided Printed PCB FR4 Copper Clad Laminate Circuit Board DIY PCB US
5 PCS Single Sided PCB FR4. It only takes 1 minute. Product features : Suitable for college students, engineers, technicians and other people. Size: 5x7 CM. It's quick and safe for both of us. We will try to solve the problem for you....