Questions tagged [distance]
The distance tag has no summary.
196 questions
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Small distance measurement for calibration
I am building a linear actuator that requires measuring the distance between two parts, as shown in the following picture with simplified schematics.
It utilizes a NEMA17 stepper motor. Distance ...
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7
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No voltage drop over 45 m of 22 AWG wire, yet there should be. What is going on?
I am working on a project for a company, and I miscalculated the wire size needed for a 45 m run of M12 aviation wire. I'm not knowledgeable about this stuff at all, I always just figured it would ...
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What type of optical sensor can measure the displacement similar to an optical mouse?
Imagine there is a simple 2-wheel bogie on a rail:
Bogey has:
Rubber wheels with the same profile as the rail for a "perfect" grip
Low rail clearance. Bottom of the battery (yellow) is ...
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Distance sensor types with sample rates >= 1 kHz and certain characteristics
I made a project a while ago, it was about making a device that can measure the time it takes for an athlete to run between two points. It consisted of two stations, both of which were based on ESP32-...
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Can I use ultrasonic sensors to measure the distance from one specific object, in amongst other objects?
Basically, I am trying to design a modernised boule game whereby the tossed boule can automatically measure its distance from the jack via ultrasonic sensors positioned within the tossed boule, with ...
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More voltage for radio carrier frequency, is that all?
I soldered one radio circuit for a wave transmission with ~107 MHz frequency and I got good results. I simulated this circuit in LTSpice, too. What I have seen was that the wave got AM modulated and ...
user321220
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Advice on measuring relative speed and position of an active transmitting and reveiving object
Using multiple transmitter/receiver stations on ground and the doppler shift to measure relative velocity and position of an airborne active receiver/transmitter in low altitude (0-2 km).
I want to ...
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Radio signal strength or frequency to determine absolute position of a reciprocating system?
I have a highly constrained mechanical system consisting of a bar that moves along a straight path for a distance of 40', reciprocating 7 times a minute.
I want to determine the position of the bar ...
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1
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Optical distance measurement idea [closed]
Ok, so I posted this using my phone some time ago, more than a year ago. However let's just take it from the top, integrating the criticisms that I remember.
I am a cnc machinist by trade and we ...
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1
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How to interface 6 HC-SR04 ultrasonic sensors to Raspberry Pi 4
I am a beginner to Rasberry Pi and working on a parking warning system for a go-kart. The plan is to use 6 ultrasonic sensors (3 at the front of the kart, wired to one of the breadboards, and 3 at the ...
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2
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VL53L0X Assembly Soldering Problem
We have a product(PCB) in mass production as using VL53L0X.
There is a problem with some of our products.
We tested before sending customer. There is no problem. But, over time we have received ...
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How do I implement accurate distance measuring to ground on a rover? [closed]
I need the end effector to always be at a fixed distance from the ground (for example 10cm.) I know little or nothing about sensors and therefore I don't know which one is the best to use (ultrasound, ...
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Problem with UART communication with a Pepperl & Fuchs UCC4000 ultrasonic sensor
I have a problem with a Pepperl & Fuchs UCC4000 ultrasonic sensor. This sensor communicates with UART protocol and has data transmit - receive based a kind of checksum encoding. According to what ...
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Orange unshielded coaxial cable
A local ISP is installing fiber optic cable for gigabit internet in my neighborhood. Their construction crews have buried runs of empty conduit which I presume is meant to be filled with fiber or ...
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I need to build a transmitter/receiver system that can accurately (within 500mm) measure distance between the 2 devices [closed]
A business case has been presented to me and I desperately need advice.
I am searching for technologies capable of providing an approximate (<500mm) distance between a stationary receiver and ...
