Hi, I have been trying to connect a Keyes USB Host Shield to an Arduino Uno. I have been testing the system with the board_qc code found in the "USB Host Shield 2.0 master" Library. The code used is attached. When uploading the code to the Uno, everything seems to be working. The serial monitor sh…

Trouble Connecting Keyes USB Host Shield with Arduino Uno

gdsports November 7, 2017, 7:28am 3

Check 5V and 3.3V voltages on the USB host board. Some messages should still appear but I have received defective boards before.

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