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k-digital-tape-measure-values Thanks for your response. See first plot above. My comments stand that the k digital tape measure values formula is no different in what it achieves and that divisions are to be avoided. I have embedded the. However I included these in the example MSdata2serialWfilter. The decibel originates in telegraph and telephone industries of the early s, where engineers needed a way to measure how much signal they would lose over a long line. Mwasure en.

Twenty-six timers without previous experience were given instruction and completed practice trials until good agreement was achieved between ET and HHS. Trained runners 8 males, 10 females were timed for each m interval on a standard m course. Repeated-measures analysis of variance and intraclass correlation models were used to determine reliability.

I'm looking for a device that will measure calipers from about 1. Would this accomplish that? Reply 4 years ago. I'm not sure what you mean by measure calipers. The only limitation this has is that it needs to have a large enough surface to get an echo off of.

How accurate do you need the measurement to be? A I think this has 2 or Digital Circumference Tape Measure Values 3 significant figures of accuracy at best and I wouldn't set much stock in anything beyond the tenths place for either inches or cm.

I'm hoping to be able to measure the caliper of small tree trunks that are 1. The accuracy would be acceptable, but since the surface would be cylindrical and potentially a bit rough it may not work???

Thanks for your response. Reply 5 years ago. I know how that goes. I had this project on the backburner for almost three months because things just kept coming up. Good luck getting some more free time in the future! I've gotten good measurements out to just over 13 feet.

At that distance though I occasionally have to hit the measure button a few times to get a good read. It seems to consistently work on the first hit up to about 12 feet.

This is cool. Introduction: Digital Ultrasonic Tape Measure. By tcodd86 Follow. More by the author:. I have entered this in the Tech contest so please vote if you like this. Attachments DigitalTapeMeasure. When divided by though, seems to be about right. However, the figures after the decimal point become zero so for example, without dividing by , figure could be , when divided it becomes I used float.

Is this how to get the Measure King Digital Tape Measure Distance temp reading? Many thanks Alistair. Answer 2 years ago. My guess is that you probably need to convert the reading an interger to float before you divide by Otherwise will see this as an interger divide.

Hi, thanks for a great project. One question - I 'm trying to develop a version using two GY63 and subtracting the difference in their values to give a relative distance. Any thoughts on this would be much appreciated. I'm fairly new at this, but amazed at what can be done with these sensors now. Unfortunately one cannot put two on the same I2C bus as they have the same address and this chip does not have the option to select an alternate address.

So using two would need two I2C busses. There may be a 'software I2C' library out there to setup a second port on different pins but I have not tried this. You can also write your own I2C 'bitbanging' routine - but this is a fair bit of work. Hallo everybody Could some please explain where in the header file the value of OSR equal to 2 comes from?

If you have a look at the datasheet you will see that the MS has the option to trade off accuracy and speed by varying the oversampling ratio OSR. This is set by the lower nibble of the command to start the conversion temperature or pressure. When I have used the MS on other platforms I have always set the maximum oversampling best accuracy as this still gives readings in under 10ms for each of T and P - so still 50 temperature corrected pressure values per second.

Are these compiltion errors? Have you used the library attached and installed it as described here? Hello, I am having a bit of a problem trying to get the example code MSdata2lcd. It is not in the examples after I downloaded the MS Would it be possible for you to send me the sketch or even better the complete sketch of your LCD example that you showed in the video.

I need a starting point for a project of my own and this example would be perfect. It is he only one I found on the web. My prject is for a model glider that ends a message to the ground when a certain height is reached with reference to the starting height, this is where I like your button which sets the starting point.

Please help me if you can Reply 4 years ago. If you download the zip file attached to the instructable 3 In 1 Digital Laser Measure Tape Rangefinder you will have the examples except the final additional code that is not vital - and I did not High Precision Digital Tape Measure Level include as I want to encourage those who have not started editing code to do so.

More by the author:. About: Engineer, retired. Have always had an interest in electronics, often related to radio control. This evolved into a part time business that I still practice. You will need: 1. GY63 breakout board or GY86 3. Arduino LCD keypad shield 5. Option 2 To make it easier to run the code in this instructable I have added the minimum example above and the examples shown here to the library and attached a. Download the zip file below. Move this to a better folder if you wish.

Attachments MSmaster. A new instance of the IDE will appear with the sketch. Click the upload button right arrow. Make sure there are no solder bridges when soldering them onto the board.

We need to do a little more coding to convert the pressure to height and drive the display. Load this as in step 2. Participated in the Arduino Contest View Contest. Participated in the Epilog Contest 8 View Contest. Participated in the Brave the Elements View Contest. Did you make this project? Share it with us! I Made It! Robotic Paper Octopus with Micro:bit by jrflorentine in Electronics. Reply Upvote. FlyingDrMike gabryxxxxp Reply 6 months ago. Pedro 2 years ago. FlyingDrMike Pedro Reply 2 years ago.

Pedro FlyingDrMike Reply 2 years ago. Answer Upvote.

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