PCB Ruler Design 2 layer board of 31.06x207.29mm(1.22x8.16 inches) , only $0.5
This PCB ruler design is flexible, you can prototype it at JLCPCB.com directly, you can also change it as you like, such as change other colors, change the circuit, change other pictures and so on.
How to get the design?
1. Finish your order
2. Get Gerber file via your email