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Amazon.com: GeeekPi Micro Connectors 40-pin GPIO 1 to 2 Expansion Board for Raspberry Pi, 2 x 20-pin Strip Dual Male Header Double Row Straight GPIO Connector Pin Header Compatible with Raspberry Pi(2Pack) :
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Amazon.com: GeeekPi Micro Connectors 40-pin GPIO 1 to 2 Expansion Board for Raspberry Pi, 2 x 20-pin Strip Dual Male Header Double Row Straight GPIO Connector Pin Header Compatible with Raspberry Pi(2Pack) :
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Amazon.com: Bicool 2X 40PIN GPIO Header Dual 40Pin Adapter for Raspberry Pi 400 Keyboard Computer,Header Expansion,Color-Coded Header,Easy Expansion : Electronics
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12PCS 40 Pin GPIO Header Kit 20X2 Pins Right Angle GPIO Header Socket for Zero/4B/3B+/3B/3A+ - Walmart.com
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Raspberry Pi 40-pin GPIO 1 To 2 Expansion Board 2 X 20-pin Strip Dual Male Header Double Row Straight GPIO Connector
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Raspberry Pi 40 Pin GPIO Extension Header Double Row Right Angle GPIO Edge Extension Connector for Pi 4B 3B+ 3B Zero 2 W - AliExpress
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40-pin FPC to Straight 2x20 IDC Female Socket Header : ID 4905 : $3.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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40-pin FPC to Right Angle 2x20 IDC Male Plug Header Adapter : ID 4897 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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