Questions tagged [tracking]
The tracking tag has no usage guidance.
48
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Altium PCB Layout Track Issue
My question is about the weird track figure in the Altium Layout. I attached a screenshot of this issue in the following. Can you help me, how to fix or remove this mark from Altium PCB page?
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"Error: Items not allowed (keepout area..)" KiCAD
I have got this erorr. What should i do?
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KiCAD DRC erorrs
I have problem with this erorrs, but i don't know how to fix it.
[![enter image description here][3]][3]
But I have this erorrs, what should i do know?
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4
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Boost Converter with Vin tracking
I'm trying to design a boost converter circuit that would allow me to have the VOUT tracking to the VIN of the boost.
Could I add some circuit between VIN and the FB pin so it could regulate the FB so ...
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Designing dual tracking regulator low noise PSU
I want to design a power supply with the following constraints
Inputs 19 V - 0 - 19 V secondary & 9.5 V secondary - A transformer I have
ready for the project, primary 230V
. Output +15 & -...
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Constant(ish) distance between multiple objects [closed]
I’m working on a project where I need to be able to represent the positions of multiple, slow moving objects (between 5 and 30) on an X/Y plane (with a size of about 25m X 25m) in an outdoor ...
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3
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Active Radar Homing with single antenna
From what I remember there are a few A2A and S2A missiles which have their own onboard radar system but I don't think they have multiple radar antennas for phased Array use.
I'm curious how radar ...
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Why don't the GPS equations account for receiver clock drift?
My basic understanding of GPS is that a network of at least four synchronized satellites send messages containing their locations and transmit times (\$A_i, B_i, C_i\$ and \$t_i\$) to an ...
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Measuring distance with ~300 m range and at least ~2 m accuracy as cheaply as possible [closed]
[Very new to Electrical Engineering.]
So what I am trying to come up with is the following:
I want to have a device (receiver) that receives signals and put it in one place, not moving.
Other devices (...
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Implemention of indoor posistion using Bluetooth 5.1
I see how Bluetooth 5.1 is going to explode once released commercially. However when I watch the videos on Youtube and how these companies are tracking these BLE 5.1 devices and how accurately it is, ...
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Sensor to detect movement of object on a horizontal wire
I am looking on how to build a solution to track movement of an item clipped to a horizontal wire. It has been suggested I could do with with an accelerometer and Arduino. I want to detect any ...
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What is the black two-leg sensor?
This is part of the Auto Sun Tracking Pump. It is attached to the agriculture solar system but damaged and I want to replace it. I don't know the black two-leg sensor.
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Best way to track light source?
I want to build a 1-D (azimuth), bidirectional optical tracker. The idea is to have two identical transceiver, mounted on DC servo-motor. The user can move the two servos on rails (reasonably fast), ...
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Trace both control and power cables in a factory
I am a fresh graduate engineer and tasked with tracing power lines and control cables of equipment in a site to draw its one-line diagram from scratch.
I thought of using a circuit/wire tracer device,...
user248247
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3
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566
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Ultra-narrow beam spread LASER diode
I want to build an optical position tracking system based on PSDs (Position-sensitive detectors). I searched online and found this PSD which has a sensitive area of 12 mm*12 mm. My goal is to allow a ...
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PSU Series and Parallel Tracking Mode, Current Limit Behavior
I'm designing a training course for use of the electronics lab equipment at the local makerspace. We have a HY3005F-3 dual-channel DC power supply, and I scanned and posted the manual here. I'm ...
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Choosing a stepper for antenna tracking system
I am building a prototype for an antenna tracking system. The following animation will make it slightly easier to understand what I have in mind:
https://youtu.be/DZ0LRf6_Zew
The two antennas are: ...
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253
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PCB trace width
I am trying to design a PCB circuit in altium designer.
My circuit consists of one ATmega8a, one NRF24l01 and three magnetic relays (mini relay 12V MPR-S-112-A.)
I want to set the trace width to 0....
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3-phase BLDC motor resolver problem
I am trying to drive a 3-phase BLDC motor with FOC and have some questions about obtaining resolver offset angle. In the driver I used ABC notation for phases and FOC accepts A phase as 0 angle ...
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Restrict IR sensor field of view
I'm trying to develop a device that can detect or "watch" an infrared beacon that is freely moving side-to-side anywhere within a 180° field of view (-90° to +90°, with center/forward at 0°); i.e. the ...
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Which type of sensor for measuring height of horse step?
Is that possible? I'd like to track the amplitude of a horse leg/foot height for a show.
The many many difficulties:
constantly moving! So ultrasound way too slow
the floor is irregular, made of ...
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Combining solar panel strings with different azimuth
When combining strings with a different azimuth in an off grid system, lets say NNE facing with North Facing and NNW facing (Southern Hemisphere), you catch the morning and evening sun better, this is ...
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386
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Dual power supply with BJT. How to do tracking without opamp?
I'm making a 0-±12V 20mA supply for breadboard. Circuit simulates fine with ltspice. How to implement tracking (or tracking ratio) WITHOUT opamp?
I found a schematic here https://groenholdt.net/...
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Looking for a very precise tx/rx circuit module to calculate distance [closed]
Thanks for helping. I'm looking for a system that will help me find exact distance between a transmitter and receiver at a frequency of milli seconds, in distance accuracy of milli meters.
I want to ...
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What is the best way to track IR led?
I want to build an interactive whiteboard which uses an infrared ped. I want to use a camera to track IR position on the projection screen.
I plan to keep the camera a little further away from the ...
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Locating mobiles/UE by base stations in a cellular system [closed]
After understanding a bit about how actual cellular systems function, I realized that identifying the mobile/UE location is key in assigning the UE to correct base station and thus to guarantee a ...
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2
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479
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Alternative wireless technology for passive RFID tags
I am working on a project where I have 3 boxes and a RFID reader (MFRC522) attached at the bottom of each box. I keep my wallet/keys/etc. in these boxes and an LCD screen displays what is in each box ...
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SIM800C - CME ERROR: 15 SIM wrong & CME ERROR: 10 SIM not inserted
I am making a GSM Tracker with SIM800C module. After deploying it into vehicles.. It works fine.. but after some days, it starts responding as CME ERROR: 15 SIM wrong for command AT+CPIN? & CME ...
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3
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3k
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Using a Spectrum Analyzer to measure VSWR
I need to measure the VSWR of a coaxial wire that has a length of 100 metres and a characteristic impedance of 50 ohms using a Spectrum Analyzer (I don't have a Network Analyzer). I found this website:...
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GPS start mode query
I am using SIM808 GPS/GSM module. I came across Cold start,Warm start and Hot start in GPS Modules while developing code for a GPRS Tracker for car. I know the difference between them.My question is ...
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3-axis solar tracker design
Is it possible to design a 3-axis solar tracker using three stepper motors just like dual-axis solar tracker in which we use two stepper motors one for elevation and one for azimuth?
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How can I build a touchpad/trackpad? [closed]
Every laptop has one - a touchpad/trackpad - for controlling the mouse.
I'd like to build my own, external one. I've looked around and I cannot find a tutorial. I have come across 1 example where a ...
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Communication Technique used in Commercial Vehicle Tracking Systems
I am working on a vehicle tracking system that conveys the coordinates information from the vehicle to a server via GPRS communication. For this purpose I am using a GSM module with an arduino uno.
As ...
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tracking error state space, linear control example
I am trying to understand a detail from an example, from the control textbook Slotine and Li (1991) "Applied Nonlinear Control", Prentice-Hall, Example 6.4, pag. 220. A linear system is given:
$$\...
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Desing Problem with Single Axis Solar Tracking System
I'm second year Electrical-Electronical Engineering student (It's Electrical Engineering basically but naming issues I guess) and my knowledge about circuits is limited to capacitors, inductors, ...
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Object Recognition and tracking [closed]
I've been trying to make a butter passing bot, like the one from rick and morty.
https://www.youtube.com/watch?v=X7HmltUWXgs
I can do pretty much everything on there, but I need someone to help with ...
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Are I/O buffers of ICs design to have 50ohm impedance?
Is it true that 50ohm characteristic impedance is a convention followed for signal carrying PCB tracks? Also, are the IC I/O buffers also designed to have a close to 50ohm impedance to match this?
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Why Altium designer autorouter making overlapped circuit track (error)?
I am using autoroute option in Altium designer (for only bottom layer), but in result I see some tracks overlapped to each other, as you can see in this photo:
So I think when the Altium could not ...
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What kind of start is good for GPS modules used in Tracking
I came across Cold start,Warm start and Hot start in GPS Modules while developing code for a GPRS Tracker. I know the difference between them.
But when I use hot start method,signal is acquired faster ...
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What is a Jaffe-Rechtin PLL?
Eberhardt Rechtin and Richard Jaffe (both involved in NASAs DSN) published this paper (paywalled) on PLL-design and -performance back in 1955. It is referenced quite often, so I wanted to understand ...
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Really small tracker using wifi only?
does anyone know if it is possible to buy or build a really small tracker that uses wifi only.
I'm hoping to begin a masters studying bats, possibly in China, I expect in China the areas that the ...
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351
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Distance tracking underwater
For a design project at school I need a way to track a short distance underwater (swimming pool).
I have looked into programming an accelerometer to measure the distance traveled, but that is not ...
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2
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842
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Choosing the right motor to control mirrors
I am developing a computer vision project which involves developing a system using mirrors for pan and tilt movement of the camera field of view. Mirrors are independent of each other regarding ...
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1
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A circuit to find 3D position of an object using changes in magnetic fields [closed]
There is a project at
http://www.instructables.com/id/DIY-3D-Controller/
to make a DIY 3D controller with capacitors to infer the 3D position of the object being tracked (hand) without using any ...
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Use of schottky diode and tracking peaks of input signal with capacitors
I am using this instructable to make a VU meter: http://www.instructables.com/id/Mini-Decibels-a-Simple-Volume-Meter-With-an-Electr/?ALLSTEPS
I have two questions.
What's the use of the Schottky ...
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Why do some GPS devices require a GSM SIM-card?
Why do GPS products like [Image A] always require a GSM (or similar; i.e. 3G, 4G, etc.) SIM-card?; Whereas typical in-car GPS navigation devices, etc. like [Image B] don't?
[Image A]
[Image B]
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How to locate my cats in my house? [closed]
I have two cats and want to track in which of the 6 rooms of my flat (about 96 square meters) they currently are. Later I would like to trigger an alarm if they get into a "forbidden" room. The cats ...
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Op amp capacitive loading when buffering a reference
I need to drive a ratiometric current sensor ACS758xCB with a nominal supply current of 10 mA. Due to the ratiometric nature of the sensor I would prefer to supply it from the reference voltage of my ...
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