: Wait 2–3 seconds after powering on the controller before launching the app. Scan for Device Tap the icon in the upper left corner. Select your Bluetooth type—typically for newer adapters (like YAZ1402BT/YAZ1403BT) or for older ones (YAZ1401BT).
: Configure EBS Brake (regen level), "Low Voltage Motor Lock," and "Battery Current Limit".
Look for a faint red or blue blinking light inside the translucent Bluetooth dongle casing, indicating it is broadcasting. 3. Pairing the Device yuyang king bluetooth app
Locate the dedicated 4-pin or 5-pin Bluetooth receiver plug on your Yuyang King controller wiring harness. Plug in the official Yuyang King Bluetooth module.
Set low, normal, and high multi-speed toggles. For closed-course tracks, the app unlocks "Boost Mode" or "Over-Speed" to spin the motor past its default RPM limits via field weakening. : Wait 2–3 seconds after powering on the
This controls how violently the power kicks in when you twist the throttle. A higher soft-start value smooths out the acceleration, saving your gears and preventing the front wheel from lifting unexpectedly.
Controls the overall power drawn from the battery. This dictates your top-end speed and sustained power. 3. Throttle and Speed Adjustments : Configure EBS Brake (regen level), "Low Voltage
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By setting the to a higher value in the app, you can ensure that you don't over-discharge your battery during long rides. Troubleshooting If the app fails to connect:
Allows for the selection of hall sensor configurations (such as 60-degree or 120-degree offsets) to ensure the controller timing matches the motor's physical design.
Security Note: Always ensure you are downloading from a reputable source. Check the app’s requested permissions—a Bluetooth app should not need access to your contacts or SMS.