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Join the discussion of general engineering topics. The design, building, and use of engines, machines, and structures. Use the forum for any engineering topics not applicable to the specific categories.

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Low-Cost Object Detection System Using ESP32-CAM – Approach, Challenges

1K threadsJul 17, 2026

Electronics Low-Cost Object Detection System Using ESP32-CAM – Approach, Challenges

Jul 17, 2026

Filters

Looking for a cost-effective filter for fluorscence

idkididk
Feb 7, 2015 · Replies 1 · Feb 7, 2015

Replies: 1

No problem.Meet a Mentor: D H - Get to Know Your Wonderful Mentors Better

Greg Bernhardt
Jun 4, 2013 · Replies 28 · Feb 5, 2015

Replies: 28

Can High-Intensity Focused Ultrasound Penetrate Metal?

physior
Jan 31, 2015 · Replies 4 · Feb 3, 2015

Replies: 4

Where to buy premeasured, precut, prebent breadboard wire?

LongApple
Jan 31, 2015 · Replies 6 · Feb 1, 2015

Replies: 6

UK pilots landing sideways in Leeds - Video

arist
Jan 18, 2015 · Replies 5 · Jan 28, 2015

Replies: 5

Why "rate random walk" exists on gyroscpe ?

kawabonga
Jan 26, 2015 · Replies 1 · Jan 26, 2015

Replies: 1

Gravitational Energy by breaking down volcanoes / mountains?

Gerinski
Jan 25, 2015 · Replies 1 · Jan 25, 2015

Replies: 1

How to get bulk downloads of utility patents from companies

icecubebeast
Jan 4, 2015 · Replies 7 · Jan 21, 2015

Replies: 7

Structures, Beams: Proof of formulas for a beam

hmvv
Jan 21, 2015 · Replies 2 · Jan 21, 2015

Replies: 2

What size of tube steel is needed for a 1500-2000 lb load on a 48 x 76 frame?

xOttox
Jan 19, 2015 · Replies 4 · Jan 20, 2015

Replies: 4

Experimental Design - Measuring Force Vector on Cable

Hexital
Jan 19, 2015 · Replies 2 · Jan 20, 2015

Replies: 2

Calculate Yaw Angle: Best Sensor for Device Movement

kirubanithi
Jan 13, 2015 · Replies 2 · Jan 20, 2015

Replies: 2

How can I accurately calculate ambient temperature using sensor data?

marcopolon2
Jan 17, 2015 · Replies 4 · Jan 19, 2015

Replies: 4

How to find thickness of steel plate

Ron1808
Jan 19, 2015 · Replies 4 · Jan 19, 2015

Replies: 4

How can I create affordable soundproofing for my apartment bedroom?

caibbor
Jan 11, 2015 · Replies 6 · Jan 17, 2015

Replies: 6

Experimental Critical Buckling Load

KevCah
Jan 14, 2015 · Replies 4 · Jan 14, 2015

Replies: 4

How to evaluate avg speed at which a driver approaches curve

klau
Jan 12, 2015 · Replies 7 · Jan 13, 2015

Replies: 7

Structural Vibrations Analysis & Simulation

gth759k
Jan 9, 2015 · Replies 1 · Jan 12, 2015

Replies: 1

Ventilation Requirements of different Labs

tj00343
Jan 10, 2015 · Replies 1 · Jan 11, 2015

Replies: 1

Is an Arc Reactor Possible in Real Life?

aditya ver.2.0
Jan 11, 2015 · Replies 1 · Jan 11, 2015

Replies: 1

Tools every engineer should have for measurement?

profinger
Jan 5, 2015 · Replies 12 · Jan 8, 2015

Replies: 12

FEA of hyperelastic arteries in ANSYS APDL

Killian Chellar
Dec 15, 2014 · Replies 2 · Jan 7, 2015

Replies: 2

Sensor to detect paramagnetic materials from a distance

Robert_999
Jan 7, 2015 · Replies 1 · Jan 7, 2015

Replies: 1

Find the Perfect Wax 3D Printer for Your Needs - Discover Now!

physior
Jan 5, 2015 · Replies 1 · Jan 5, 2015

Replies: 1

How does a tiny gyro stabilize a massive gun turret?

Israr Hussain
Dec 23, 2014 · Replies 12 · Jan 4, 2015

Replies: 12

Is a 3d printer a good investment?

Jarfi
Dec 16, 2014 · Replies 10 · Jan 4, 2015

Replies: 10

How to build something to vacuum and convey concrete powder

latemodel18
Dec 20, 2014 · Replies 6 · Dec 29, 2014

Replies: 6

M.Sc. in Engineering Physics and garbage dumpster cleaner

magi
Dec 26, 2014 · Replies 5 · Dec 28, 2014

Replies: 5

Solar Panel that you can see through?

davel
Dec 19, 2014 · Replies 3 · Dec 23, 2014

Replies: 3

How does the Clair air purifier's e2f filter affect fan sizing?

quantumlover
Dec 5, 2014 · Replies 2 · Dec 22, 2014

Replies: 2

MotoGP: Cornering Beyond Knee Down with Elbow Pads

berkeman
Dec 19, 2014 · Replies 6 · Dec 22, 2014

Replies: 6

I want some advice on making a hoverboard

Hoverboardfan
Dec 17, 2014 · Replies 12 · Dec 22, 2014

Replies: 12

Why aren't turbines used in water supply systems?

rasen58
Dec 21, 2014 · Replies 6 · Dec 22, 2014

Replies: 6

Where can i get a mechanical engineer for prototype

manp
Sep 17, 2014 · Replies 3 · Dec 21, 2014

Replies: 3

Is My Concrete Roof Slab Design Adequate for a 3-Storey House on a Slope?

Hafiz Rafar
Dec 21, 2014 · Replies 1 · Dec 21, 2014

Replies: 1

Is there a type of battery that will not lose capacity?

radaballer
Dec 1, 2014 · Replies 6 · Dec 17, 2014

Replies: 6

Understanding Compression in Eccentrically Loaded Columns and Beams

curiousnoncat
Dec 12, 2014 · Replies 6 · Dec 12, 2014

Replies: 6

Straight light beam in opaque water

hemness
Dec 3, 2014 · Replies 8 · Dec 9, 2014

Replies: 8

Quietly Pump Water 11ft - Ideas for Sump Pump Solutions

gloo
Oct 26, 2014 · Replies 175 · Dec 9, 2014

6

Replies: 175

Are Displacement and Deflection the Same in Beam Analysis?

EngineeringDave
Dec 7, 2014 · Replies 2 · Dec 7, 2014

Replies: 2

How Do You Calculate Member Forces Using the Unit Load Method?

EngineeringDave
Dec 7, 2014 · Replies 2 · Dec 7, 2014

Replies: 2

Stupid Science Tricks: Improvising Toilet Shutoff Valve Repair

Borg
Dec 5, 2014 · Replies 1 · Dec 5, 2014

Replies: 1

How i determine number of bolts on flange

sanjay pradhan
Sep 27, 2014 · Replies 4 · Dec 4, 2014

Replies: 4

What Are the Top Engineering Topics That Are Currently Trending?

amengineergirl
Nov 29, 2014 · Replies 4 · Dec 4, 2014

Replies: 4

Understanding Entropy: The Impact on Systems

Sanky123
Dec 2, 2014 · Replies 6 · Dec 2, 2014

Replies: 6

Determine the number of required Monte Carlo iterations

ryan88
Dec 1, 2014 · Replies 1 · Dec 1, 2014

Replies: 1

How do you store (safe-keep) beam-splitters?

Callaghan
Nov 27, 2014 · Replies 6 · Nov 27, 2014

Replies: 6

Boat Hull Design: Stability Through Tunnels?

Yamaharacerx
Nov 26, 2014 · Replies 17 · Nov 26, 2014

Replies: 17

Brushless gimbal motors vs servo?

Jarfi
Nov 25, 2014 · Replies 1 · Nov 25, 2014

Replies: 1

Calculating size of wooden members

KV-1
Oct 31, 2014 · Replies 2 · Nov 25, 2014

Replies: 2

Solving the Severn Bridge Sag Span Mystery

Laurine
Nov 22, 2014 · Replies 2 · Nov 25, 2014

Replies: 2

Building a new city, geometrically?

TrueGormagon
Nov 23, 2014 · Replies 9 · Nov 24, 2014

Replies: 9

Need help developing an idea, solar energy heliostats

dbalexanderr
Nov 23, 2014 · Replies 1 · Nov 24, 2014

Replies: 1

Looking to get into 3D printing and engineering

bmminc
Nov 21, 2014 · Replies 7 · Nov 24, 2014

Replies: 7

Can a Mechanical System Prevent Water Migration in a Portable Air Compressor?

steve williams
Nov 22, 2014 · Replies 2 · Nov 22, 2014

Replies: 2

Calculating strength of steel square tubing

gary d
Nov 20, 2014 · Replies 3 · Nov 21, 2014

Replies: 3

How can I test the load output of my hydro turbine without breaking the bank?

NickInv
Nov 21, 2014 · Replies 1 · Nov 21, 2014

Replies: 1

What is the best way to fuse two credit cards together?

Catapult
Nov 8, 2014 · Replies 11 · Nov 19, 2014

Replies: 11

Your Thoughts on the Most Sustainable 8x15 Trailer for Cold Climates

BhreaghI
Nov 13, 2014 · Replies 8 · Nov 17, 2014

Replies: 8

How do I calculate the deflection of an L-shaped pipeline with added loads?

albertseng
Oct 30, 2014 · Replies 4 · Nov 14, 2014

Replies: 4

Designing a Spaghetti Bridge to Support 2kg of Sand: Tips and Restrictions

hmilstein11
Nov 14, 2014 · Replies 2 · Nov 14, 2014

Replies: 2

Can a Steel Piping Cubic Bedframe Support Heavy Weight?

Splicel
Nov 14, 2014 · Replies 1 · Nov 14, 2014

Replies: 1

Applications of hypothetical new material

cbrons
Nov 10, 2014 · Replies 8 · Nov 11, 2014

Replies: 8

My First Boat: The Wreck of the Rosi

OmCheeto
Nov 8, 2014 · Replies 18 · Nov 8, 2014

Replies: 18

Concentrated Heat --> Efficiencies in Energy Production, How?

neuralnova
Oct 24, 2014 · Replies 6 · Nov 8, 2014

Replies: 6

Could wind turbines be used as wind breaks in open farm land

firefox5926
Nov 2, 2014 · Replies 9 · Nov 6, 2014

Replies: 9

Can I Calculate Shear Force and Bending Moment for Partially Loaded Beams?

Ron180
Nov 5, 2014 · Replies 4 · Nov 5, 2014

Replies: 4

The Life and Career of Chestermiller

Greg Bernhardt
Oct 28, 2014 · Replies 26 · Oct 31, 2014

Replies: 26

Where is the Sound Coming From?

WWGD
Oct 27, 2014 · Replies 25 · Oct 30, 2014

Replies: 25

How to Analyse Skirted Offshore Foundations for Bearing Capacity and Settlement?

Civilundergrad
Oct 23, 2014 · Replies 1 · Oct 28, 2014

Replies: 1

Stress on a Guitar Soundboard when converting to Tailpiece

Bullpuppy
Oct 22, 2014 · Replies 1 · Oct 27, 2014

Replies: 1

Help needed in prototype/tracking footwork and wrist motion

nikosb
Oct 17, 2014 · Replies 6 · Oct 27, 2014

Replies: 6

Wind Load Calculator: Gable Roof Envelope Procedure

medeek
Sep 21, 2014 · Replies 4 · Oct 24, 2014

Replies: 4

How would durable goods look like if were intended to be more durable?

Czcibor
Oct 20, 2014 · Replies 18 · Oct 24, 2014

Replies: 18

What Motor do I need for this small clinostat?

Clinostat
Oct 20, 2014 · Replies 3 · Oct 24, 2014

Replies: 3

Design the Most Stable Base for a Rectangle

JasonFrank
Oct 16, 2014 · Replies 2 · Oct 23, 2014

Replies: 2

Downspouts and vertical planters.

ramblescramble
Oct 22, 2014 · Replies 3 · Oct 22, 2014

Replies: 3

Exactly how do i control the fall of a falling object? (for power generation)

Shepton
Oct 21, 2014 · Replies 10 · Oct 22, 2014

Replies: 10

My 8 y/o speakers turned to a radio?

madmisha
Oct 21, 2014 · Replies 2 · Oct 21, 2014

Replies: 2

UnitDeadLoad.htm What is unit dead load and how does it differ from unit weight?

KV-1
Oct 18, 2014 · Replies 2 · Oct 18, 2014

Replies: 2

Revolutionize Explosions with a Pressure-Reverse System

JSWhittaker
Oct 15, 2014 · Replies 1 · Oct 15, 2014

Replies: 1

Any High School Level Engineering Project Ideas?

teetar
Sep 23, 2014 · Replies 5 · Oct 15, 2014

Replies: 5

Designing a Strain Gauge Load Cell: Q&A on Force Measurement

selvaram
Oct 8, 2014 · Replies 3 · Oct 14, 2014

Replies: 3

Accident at steel plant spills molten metal onto plant floor

ElliotSmith
Oct 12, 2014 · Replies 10 · Oct 13, 2014

Replies: 10

Stress in a hollow beam bent laterallly

DMT69
Oct 8, 2014 · Replies 7 · Oct 13, 2014

Replies: 7

Comsol Question: How Does Laser Irradiation Affect Skin Temperature?

Spiro
Oct 4, 2014 · Replies 1 · Oct 9, 2014

Replies: 1

How Does GPS Determine the Best Route?

Likemath2014
Sep 20, 2014 · Replies 3 · Oct 3, 2014

Replies: 3

Struggling with Modeling an Inline Web Manufacturing System: Can Anyone Help?

cjh17
Apr 14, 2005 · Replies 1 · Oct 2, 2014

Replies: 1

Digital scale > laptop data transfer help?

tianze
Sep 28, 2014 · Replies 4 · Oct 1, 2014

Replies: 4

Designing a Partially Submerged Foundation: Insights and Solutions

Dhillon123
Sep 23, 2014 · Replies 2 · Sep 28, 2014

Replies: 2

News South Africa set to get a nuclear power plant funded by Russia

eqariu
Sep 23, 2014 · Replies 4 · Sep 26, 2014

Replies: 4

Was Nikola Tesla a little crazy or was it just the media?

Inventor man
Sep 5, 2014 · Replies 10 · Sep 18, 2014

Replies: 10

Why Do Semiconductor Industries Invest in High Precision Robotic Arms?

iii
Sep 14, 2014 · Replies 7 · Sep 16, 2014

Replies: 7

Hey guys I want a design for my beast

Mr.maniac
Aug 28, 2014 · Replies 9 · Sep 13, 2014

Replies: 9

How to design a vertical cylindrical Water tank

Jayani
Sep 10, 2014 · Replies 4 · Sep 12, 2014

Replies: 4

Banking of Roads: Understanding Centrifugal Force

kirakun
Sep 8, 2014 · Replies 9 · Sep 11, 2014

Replies: 9

Problem calculating structure strengh

Username107
Sep 10, 2014 · Replies 1 · Sep 10, 2014

Replies: 1

What is the Purpose of a Microcontroller in a Computer?

ineedhelpnow
Sep 9, 2014 · Replies 6 · Sep 10, 2014

Replies: 6

How to take fire flow conditions into account ?

EngineeringDaN
Sep 10, 2014 · Replies 1 · Sep 10, 2014

Replies: 1

Why not Rectangular Mesh for Arbitrary Shape Domain?

mdn
Apr 6, 2014 · Replies 17 · Sep 9, 2014

Replies: 17

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General Engineering

Engineering is a diverse and applied field that involves the application of scientific principles and mathematical methods to design, create, and optimize solutions for real-world problems.

Engineers use their analytical and problem-solving skills to innovate and develop technologies across various domains such as civil, mechanical, electrical, and aerospace engineering. The discipline encompasses the design of structures, machines, systems, and processes, with a focus on efficiency, functionality, and safety.

Engineers play a crucial role in shaping the modern world, contributing to advancements in infrastructure, transportation, communication, and numerous other technological domains.

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