Vehicle speed sensor Toyota

Projects General Guidance
1

Hello everyone,
I am working on a project which consists in recovering data (Speed, Tire pressure) related to my vehicle (Toyota Yaris), although there are other simpler ways, we will use an arduino card to recover what we want, the problem that to recover the instantaneous speed of the vehicle I do not know which is the right sensor that I can use?
thank you in advance

2

Hi,

try electric current sensor connect to one of speedometer or tachometer

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3

thank you for your response, but I don't understand what do you mean by an electric sensor connected to a tachometer or speedometer?

4

You can get speed from canbus.

A sensor connected to the speedo or tachometer won’t work as these are driven by stepper motors .
You could I guess use some form of sensor ( magnetic?) off a drive shaft

5

thank you for your response.
it is more efficient to use the CANbus but it is required to use an arduino card.
can we use a GPS module with arduino board to determine vehicle speed?

6

Hi faress.

You certainly can get speed from a GPS module. You don't need to compute the speed as it is simply one of the parameters that the GPS module generates.

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7

You can get canbus add ins for Arduino, you could then get other parameters for your dash such as rpm , water temperature etc

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8

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