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Arduino Ethernet shield R3 with micro SD connector - Assembled : ID 201 : $45.00 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: HiLetgo W5100 Ethernet Network Shield W5100 Ethernet Expansion Board with SD Card Slot for Arduino UNO MEGA2560 : Electronics
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Mini W5100 Lan Ethernet Shield Network Board Module R3 W5100 3.3v Compatible For Arduino Ethernet Mega 2560 - Integrated Circuits - AliExpress
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