Smart Electronics Single Side 5x7 7x9 9x15 10x22 12x18 15x18 13x25 cm DIY Prototype Paper Prototype PCB Universal Experiment Matrix Circuit Board
Single Side 5x7 7x9 9x15 10x22 12x18 15x18 13x25 cm DIY Prototype Paper Prototype PCB Universal Experiment Matrix Circuit Board
5 * 7/7*9/9*15/10*15/10*22/12*18/13*25/15*18/18 * 30cm