Using a single-chip microcomputer, high accuracy, stable performance, 8-30V power supply (12V, 24V car can be)
Solve the situation that the odometer is inaccurate caused by replacing the rear axle of the gearbox or tires, etc.
Mobile phone Bluetooth connection, wireless connection operation is flexible and convenient, and the module consumes less power.
Instructions for using the meter:
1. The speed ratio adjustment function of the speed odometer can adjust the speed odometer faster or slower (adjustment range: 0.001 times - 50 times adjustable). Accuracy is one thousandth
2. Display the frequency of the vehicle speed sensor (equivalent to a frequency meter)
3. There is a test function to drive the odometer in place (stopwatch function)
4. Wiring method: find the signal wire on the odometer sensor and cut it off, connect one end of the sensor to the yellow wire of the adjustment module, and connect the odometer to the yellow wire.
One end is connected to the green wire of the adjustment module
The red wire is connected to the positive pole of the power supply 8V-30V (12V, 24V car can be used)
Black wire to the negative pole of the power supply
Green line output is connected to one end of the odometer
The yellow wire input is connected to one end of the sensor
Statement: This product can only be used for the adjustment of the speedometer and is strictly prohibited for other illegal purposes. The consequences of illegal installation shall be borne by the installer!
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