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Nooelec - Arduino-Compatible Uno R3 Development Board - Arduino - Development
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Arduino Uno - R3 - DEV-11021 - SparkFun Electronics
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W5100 Ethernet Shield WizNet R3 Network Lan Board for: Arduino UNO, Arduino Mega | Being Patient
Amazon.com: OSOYOO Based on Arduino with Controller Board and USB Cable Compatiable with UNO R3 Including Sampe Projects Programming with IDE : Electronics
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Amazon.com: ELEGOO UNO Project Super Starter Kit with Tutorial and UNO R3 Compatible with Arduino IDE : Electronics
Arduino Uno Rev 3 - Walmart.com
Amazon.com: ARDUINO MEGA 2560 REV3 [A000067] : Electronics
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