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USB Host Shield - DEV-09628 - SparkFun Electronics
Tebru USB Host Shield for Arduino UNO, USB Host Shield for Android ADK,USB Host Shield for Google Android ADK & UNO MEGA Duemilanove 2560 Arduino - Walmart.com
Amazon.com: USB Host Shield Compatible for Arduino MEGA 2560 1280 Support Google Android ADK & USB HUB Function : Electronics
USB Host Shield for Arduino – Voltaat
Arduino USB Host Shield - DFRobot
Cytron USB Host Shield V1.5 for Arduino - RobotShop
Amazon.com: ARCELI USB Host Shield for Arduino UNO MEGA 2560 Support Google Android ADK USB HUB : Electronics