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Adafruit Perma-Proto Half-sized Breadboard PCB - Single : ID 1609 : $4.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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uxcell a14041800ux1143 25Pcs Double Sided Protoboard Prototyping Pcb Board 4cm x 6cm: Amazon.com: Tools & Home Improvement
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