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Adafruit Perma-Proto Full-sized Breadboard PCB - Single : ID 1606 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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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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Adafruit Perma-Proto Full-sized Breadboard PCB - 3 Pack! : ID 590 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: Adafruit Perma-Proto Half-sized Breadboard PCB - 3 Pack! [ADA571] : Industrial & Scientific
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Adafruit Perma-Proto Quarter-sized Breadboard PCB - 3 Pack! : ID 589 : $8.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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