- #1
cshieldsx
- 6
- 0
Hello all,
Im new to the site so please don't hurt me !
My final goal is to measure linear speed of a pedal powered car, and send the speed wirelessly to my laptop which will record the speed profile.
My problem is that I can't find a sensor that will measure angular velocity and output a constant voltage (which a speed can be calculated from) ! I can only find sensors that output pulses. The reason I need a constant value is due to sample rate issues with the wireless kit I am using to send the data, I can only sample at around 0.5Hz, which is fine if I am sending actual speed values once/twice a second, but not fine if I have to process loaaadsss of pulses after the singal has been sent wirelessly. I need a sample rate of around 200Hz if I am to send a square wave to laptop.
Any ideas of a sensor that can do such a thing ? I thought it would be easy to find, but I can't find it anywhere.
Any thoughts would be very helpful
Im new to the site so please don't hurt me !
My final goal is to measure linear speed of a pedal powered car, and send the speed wirelessly to my laptop which will record the speed profile.
My problem is that I can't find a sensor that will measure angular velocity and output a constant voltage (which a speed can be calculated from) ! I can only find sensors that output pulses. The reason I need a constant value is due to sample rate issues with the wireless kit I am using to send the data, I can only sample at around 0.5Hz, which is fine if I am sending actual speed values once/twice a second, but not fine if I have to process loaaadsss of pulses after the singal has been sent wirelessly. I need a sample rate of around 200Hz if I am to send a square wave to laptop.
Any ideas of a sensor that can do such a thing ? I thought it would be easy to find, but I can't find it anywhere.
Any thoughts would be very helpful