Questions tagged [tracking]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1
vote
1answer
44 views

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 ...
0
votes
0answers
18 views

How to connect GPS tracker (FMB920) to HC05 bluetooth?

I am successfully able to connect my phone to GPS tracker over bluetooth and send commands but was unable to to connect HC05 module to it and communicate over serial. Please help me out of this!
0
votes
1answer
74 views

DIY solar tracking system without any sensors

I'm building a tracking system for my university project. We will use two solar panels, one without tracking system and other one with tracking system and see the results if it's worthed or not. But ...
1
vote
0answers
41 views

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: ...
0
votes
2answers
118 views

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....
1
vote
0answers
85 views

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 ...
0
votes
2answers
71 views

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 ...
0
votes
0answers
40 views

solar tracker slew drive end stop

I am designing a solar tracker and using a slew drive to rotate the panels from from east to west every day. Now, I would like to install a sensor that can be used to determine and calibrate the ...
0
votes
3answers
89 views

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 ...
0
votes
1answer
79 views

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 ...
0
votes
2answers
131 views

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/...
0
votes
1answer
56 views

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 ...
1
vote
2answers
389 views

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 ...
0
votes
1answer
52 views

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 ...
2
votes
1answer
180 views

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 a LCD screen displays what is in each box ...
0
votes
0answers
966 views

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 ...
0
votes
3answers
872 views

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:...
0
votes
1answer
52 views

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 ...
0
votes
1answer
42 views

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?
3
votes
1answer
893 views

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 ...
0
votes
1answer
36 views

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 ...
2
votes
0answers
76 views

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: $$\...
0
votes
1answer
287 views

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, ...
0
votes
1answer
348 views

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 ...
7
votes
4answers
2k views

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?
-2
votes
1answer
422 views

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 ...
0
votes
1answer
474 views

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 ...
7
votes
1answer
158 views

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 ...
0
votes
3answers
412 views

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 ...
0
votes
1answer
257 views

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 ...
0
votes
2answers
534 views

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 ...
0
votes
1answer
307 views

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 ...
0
votes
2answers
340 views

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 ...
-1
votes
1answer
412 views

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]
3
votes
2answers
447 views

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 ...
2
votes
1answer
495 views

Opamp: capacitive loading when buffering a Reference

I need to drive a ratiometric current sensor ACS758xCB with a nominal supply current of 10mA. Due to the ratiometric nature of the sensor I would prefer to supply it from the reference voltage of my ...