Power & Source of Big Ideas

bobt wrote:
Can you power the NanoPi Duo2 with the 5V In/Out pin usps tracking and a ground instead of using the USB input?


No you cant do that as far as i know.

Hi I want to enable I2C in U-Boot to send boot messages to an Oled, which will later used to select the Linux of my Dualboot. So after I enabled the I2C and see boot messages, I will try to get Dual Boot working. I tried: CONFIG_CMD_I2C=y CONFIG_SYS_I2C=y CONFIG_I2C0_ENABLE=y CONFIG_SYS_I2C_SOFT=y ...