I am not well known about electronic and it is my first question here, beforehand sorry for not qualified question. Let me try to explain what I am looking for:

Is there chip or any another electronic device to measure how much distance was passed? Like it does Pedometer. What is principle of this mechanism?


closed as off-topic by brhans, Bimpelrekkie, DoxyLover, Dmitry Grigoryev, awjlogan Oct 4 '18 at 11:41

This question appears to be off-topic. The users who voted to close gave this specific reason:

If this question can be reworded to fit the rules in the help center, please edit the question.

  • 1
    \$\begingroup\$ Global Positioning System ie gps \$\endgroup\$ – Solar Mike Oct 3 '18 at 20:08
  • 3
    \$\begingroup\$ Odometer for wheeled vehicles. \$\endgroup\$ – Eugene Sh. Oct 3 '18 at 20:13
  • 1
    \$\begingroup\$ What precision do you have in mind? Measuring distance for a vehicle? Per pedes? Range in micrometers or light years? One tape measure is usually sufficient :-) \$\endgroup\$ – Tom Kuschel Oct 3 '18 at 20:21
  • \$\begingroup\$ Have you read: en.wikipedia.org/wiki/Pedometer ? There it says: "A pedometer is a device, ... that counts each step a person takes by detecting the motion of the person's hands or hips" So it counts how many steps you took. It does not measure distance. Taking small or large steps has influence on the actual distance covered. i.e. a Pedometer measures the distance indirectly. A pedometer can be made using an acceleration sensor which can be in the form of a chip. \$\endgroup\$ – Bimpelrekkie Oct 3 '18 at 20:22
  • 2
    \$\begingroup\$ I would add: optical flow sensors and IMUs (for the IMU just integrate the output). \$\endgroup\$ – Drew Oct 3 '18 at 20:26

It's not clear exactly what your question is. I'll take it as asking about a electronic pedometer.

Yes, that is possible. Mechanical pedometers work by detecting the up and down bounces of your body as you walk. This is done with a mass on a spring, and a mechanism to increment a mechanical counter each cycle.

You can electronically sense the same up and down bouncing of the body with something called a accelerometer. These put out a signal proportional to the acceleration they are subjected to.

There are several different technologies, trading off cost and accuracy. Those used for inertial navigation of aircraft, for example, cost 10s of $k. Fortunately for you, there are also devices available at the other end of that tradeoff. MEMS technology allows for cheap accelerometers on chips, and cost 10s of cents to a few dollars. These are what cell phones use to determine which way you are holding them, and rotate the screen accordingly, for example.

A cheap MEMS accelerometer is plenty good enough to detect the up/down bouncing of the body due to walking. In fact, I'm pretty sure there is a smart phone app that uses the built-in accelerometer to do exactly that.


Not the answer you're looking for? Browse other questions tagged or ask your own question.