Shenzhen Big Tree Technology Co., Ltd.
BIGTREETECH
11 / 30
E3EZ+CB1: Pay attention to the direction, as shown in the figure below:
USB or UART Mode
As shown in the figure below, the DPDT switch slides to the right to connect to the UART
pin of the core board and slides to the left to connect to the USB-OTG function of the
core board. When sliding to the right, you can use the Micro-USB cable to connect with
the computer, then a CH340 port will be identified.