Functions

1.??????Measure and record current car speedmax speed and average speed.

2.??????Measure the time it takes too reach the expected speed.

3.??????Battery voltage measurement.

4.??????Motor RPM measurement

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Specification

Working temperature?-20??to?50?

Weight?about?21gwithout connection wire

Size?33x 69x 11mm

Voltage suply?3V-24V recommend 2S