PX4-Autopilot/docs/en/sensor/tachometers.md
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Signed-off-by: Ramon Roche <mrpollo@gmail.com>
Co-authored-by: Ramon Roche <mrpollo@gmail.com>
2025-03-13 16:08:27 +11:00

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Markdown

# Tachometers (Revolution Counters)
Tachometers (also known as [revolution-counter sensors](https://en.wikipedia.org/wiki/Tachometer#In_automobiles,_trucks,_tractors_and_aircraft)) can be used to measure the rate of rotation turning vehicle parts like rotors, engines, or wheels.
::: info
Currently PX4 just logs RPM data: it is not used for state estimation or control.
:::
This section lists the tachometer sensors supported by PX4 (linked to more detailed documentation).
More detailed setup and configuration information is provided in the topics linked below (and sidebar).
![TFRPM01A](../../assets/hardware/sensors/tfrpm/tfrpm01_electronics.jpg)
## Supported Hardware
- [ThunderFly TFRPM01 Tachometer](../sensor/thunderfly_tachometer.md)