BPI-R1, just need 5V/2A to 5V/2.5A ,also need check your adapter line , also need to support above 2A , must USB adapter just support 1A .or try to support power with DC port and OTG port ,just do this test.
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BPI-R1, just need 5V/2A to 5V/2.5A ,also need check your adapter line , also need to support above 2A , must USB adapter just support 1A .or try to support power with DC port and OTG port ,just do this test.