PZEM-004T Measuring speed

Hello,
dont know if i am writing this to right place, but is there some limitation to measuring only once a second? And if so is there a way to make the process faster. It looks like the measuring is happening faster but data get "updated" only once a second. What should i do if i want to measure faster?
I apologize, english is not my first language and Thank you all for your answers.

zered:
Hello,
dont know if i am writing this to right place, but is there some limitation to measuring only once a second? And if so is there a way to make the process faster. It looks like the measuring is happening faster but data get "updated" only once a second. What should i do if i want to measure faster?
I apologize, english is not my first language and Thank you all for your answers.

Welcome to the Arduino forum, if you feel more comfortable with a different language, there are other part of the forum.
Basically, speed is always a calculated value. You need to know the distance traveled and the time taken to travel that distance.
The limitation to measuring once a second is your device must be moving that entire second.
Paul

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