Chengdu Ebyte Electronic Technology Co., Ltd.
E104-BT5040U Datasheet
E104-BT5040U has no application firmware when it is powered on for the first time. The app will prompt the user to program the
module, select "Yes" and wait for the firmware update to complete.
After the firmware update is complete, the following page appears. At this time, you can use the bluetooth low energy function
normally.
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