I use pins 2, 3, 4, 5 and 6
https://shopee.co.id/USB-HOST-SHIELD-SUPPORT-GOOGLE-ADK-FOR-ARDUINO-UNO-MEGA-SHIELD-IOT-i.62956347.3857032489?sp_atk=ffeb37d1-90c9-487d-9806-43795f672d2b