Photo 1 of  PCB Circuit Board Prototype Kit, Double-Sided Perf Boards in 6 Sizes (Large, Medium, Small), Compatible with Arduino, Includes 40-Pin 2.54mm Male and Female Headers

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Photo 1 of  PCB Circuit Board Prototype Kit, Double-Sided Perf Boards in 6 Sizes (Large, Medium, Small), Compatible with Arduino, Includes 40-Pin 2.54mm Male and Female HeadersPhoto 2 of  PCB Circuit Board Prototype Kit, Double-Sided Perf Boards in 6 Sizes (Large, Medium, Small), Compatible with Arduino, Includes 40-Pin 2.54mm Male and Female HeadersPhoto 3 of  PCB Circuit Board Prototype Kit, Double-Sided Perf Boards in 6 Sizes (Large, Medium, Small), Compatible with Arduino, Includes 40-Pin 2.54mm Male and Female Headers