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Techinal for Raspberry Pi 400 GPIO Header Adapter 1X / 2X 40 PIN Color-Coded Header Expansion Board Easy Expansion - Walmart.com
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40 Pin GPIO Extension Cable for any 2x20 Pin Raspberry Pi [150mm / 6 long] : ID 4823 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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GPIO Header for Raspberry Pi A+/B+/Pi 2/Pi 3/Pi 4/Zero [2x20 Female Header] : ID 2222 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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Raspberry Pi Pico Expansion Board 5V M2.5 40pin Led Out GPIO Screw Terminal with LED Data Protocol 12C UART Analog Digital|Demo Board Accessories| - AliExpress
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Amazon.com: ELEDIY 2 x 20(40 Pin) Stacking Header for Raspberry Pi A+/B+/Pi 2/Pi 3 Extra Tall Header (Pack of 4) : Electronics
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Amazon.com: Micro Connectors Raspberry Pi 40-pin GPIO 1 to 2 Expansion Board (RAS-GP02),Green : Electronics
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