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PCB Cool
@pcbcool12 • Oct 22, 2026

Oct 22, 2026
2.1K

When is a Heavy Copper PCB actually necessary?

I'm looking into PCB design for higher-current applications and wanted to get some practical opinions on when designers decide that standard 1 oz or 2 oz copper is no longer...

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Will Jacks
@lucky-poet • Oct 21, 2026

Oct 21, 2026
712

What are the best ways to improve computer performance?

??

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Quiz Medium

Time limit: 10 sec Best 6.981s

If you count from 1 -> 100, how many times does digit 4 appear?

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First place
Junnu2001 @glowing-moderator

6.981s Time to beat

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Kaustubh Katdare
@thebigk • Oct 19, 2026

Oct 19, 2026
1.6K

Which Split AC [1, 1.5, 2 Ton], 3 Star+ Is The Best In India?

I'm looking for an AC and have decided to go for for a 2 Ton, 5 Star rated split AC model. I'm looking for recommendations on the top models available...

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Vikram Singh
@crafty-server • Oct 18, 2026

Oct 18, 2026
3.9K

Looking for an SMTP server provider in India—any experience with DigitalAka?

I’m comparing providers for a website that needs transactional emails, such as OTPs and password resets, along with occasional opt-in marketing emails. I came across DigitalAka™ while looking for an...

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Hi, I am

Divya

@lively-lively-balloon

About me: I help people in Ramnagar find true partners. Many feel alone or busy. Dating apps can feel empty. I wanted a kind and real way to meet someone special.

Interests: Jobs, Mechanical, Artificial Intelligence

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Quiz Easy

Time limit: 15 sec Best 0.984s

In a certain code, CAT is written as DBU. How is DOG written in that code?

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Top players

Fastest correct answers

First place
Manish Goyal @manish-r2Hoep

0.984s Time to beat

Second place
Solnkiajay Solnkiajay @sunny-pen

0.992s

Third place
Babaji munda @snappy-poet

1.495s

Place 4
Arjun Jamgade @neat-biryani

1.595s

Place 5
vineetha @curious-fan

1.604s

Place 6
SIVA NAGESWARA RAO THUMPATI @bouncy-thinker

2.067s

Place 7
Anushree Dhibar @tidy-paratha

3.501s

Place 8
Anushka Gulia @chirpy-cabin

9.679s

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Play with Circuit
@rachana062 • Oct 16, 2026

Oct 16, 2026
1.0K

UWB Distance Monitoring and Alert System Using Arduino and REYAX RYUW122_Lite

Hi everyone, I’ve recently been experimenting with Ultra-Wideband (UWB) technology and built a simple distance monitoring and alert system using an Arduino UNO and two REYAX RYUW122_Lite UWB modules. The...

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Earl Patterson
@earl-patterson-PKxbib • Oct 15, 2026

Oct 15, 2026
1.7K

Open .pst file and email encryption

How I manage PST file that received from my client Those mail including: 1.Encrypted PST files 2.Password protected pst files 3.Unencrypted PST files I need to manage this file.

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Vivek Rai
@vivek-dcBOZM • Oct 14, 2026

Oct 14, 2026
1.6K

How does this website www.crazyengineers.com earn money? And how many engineers have signed up during that referral contest?

Please let us know how you guys earn money? Is this website a passive income? and also please tell us your journey from the bottom. We want to know you...

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Ankita Katdare
@abrakadabra • Oct 13, 2026

Oct 13, 2026
3.1K

Samsung India's 'Galaxy Star' Priced At Rs. 5,240 Is Its Cheapest Android Smartphone

Adding a new smartphone to its Galaxy series, Samsung India has now launched the new Samsung Galaxy Star, an Android Smartphone that has vowed to compete with the likes of...

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Kaustubh Katdare
@thebigk • Oct 13, 2026

Oct 13, 2026
125

Announcing Streaks and Trophies on CrazyEngineers

Excited to announce our latest feature - streaks and trophies. For each day that you login-to CrazyEngineers, your streak advances. If you don't login - it breaks. If you maintain...

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Al-Otaiby
@al-otaiby-IfzGz4 • Oct 11, 2026

Oct 11, 2026
1.9K

Converting a car to run on Waste Vegetables Oil (Burned Oil)

We converted a diesel VW pickup at our company ( Entity Green ) to run on free waste vegetable oil from restaurant fryers. we get an exhilarating feeling of freedom...

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kashish0711
@kashish0711-H4bbxV • Oct 10, 2026

Oct 10, 2026
3.7K

How do you address the audience before a seminar?

Ok, I have been in a few seminars in college 5 to be all and many in school In school I had to do what teachers said but in college...

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Hi, I am

THE WHITE BOX SYSTEM

@the-whiteboxsystem

About me: Hello, I'm Agnieszka , system architect. I develop THE WHITE BOX SYSTEM - a deterministic, cross-domain method for analysing system conflicts. If you have an unresolved technical or system problem, send me the parameters and I will provide a written analysis, free of ch

Interests: Coding, Jobs, Mechanical, Electrical, Electronics, Civil, Artificial Intelligence, Robotics, GATE, GRE

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Kaustubh Katdare
@thebigk • Oct 9, 2026

Oct 9, 2026
836

Make a number smaller than 731, by moving just one stick

Here's the arrangement of the number using matchsticks. The number shown is 731. What's the smallest number you can do? Let me know in the comments.

Like 3 Replies 2
Hi, I am

Priya Mehta

@priya-mehta

About me: Hello! I'm Priya. Studying Electronica and Telecommunications at NITK. Look forward to meeting all of you!

Interests: Coding, Mechanical, Electrical, Electronics, Artificial Intelligence, Robotics

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Quiz Medium

Time limit: 10 sec Best 0.804s

Which metal is liquid at room temperature?

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Press A, B, C, D to answer

Top players

Fastest correct answers

First place
Anushka Gulia @chirpy-cabin

0.832s Time to beat

Second place
Khushali Vagda @swift-dog

0.847s

Third place
Nandhini s @bouncy-bear

1.508s

Place 4
Priya Mehta @priya-mehta

1.715s

Place 5
Arjun Jamgade @neat-biryani

2.266s

Place 6
arunkumar s @DHPI8iy

2.893s

Place 7
Sudesh Ajagekar @sudesh

2.918s

Place 8
Anushree Dhibar @tidy-paratha

4.832s

Place 9
vineetha @curious-fan

6.419s

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Quiz Easy

Time limit: 10 sec Best 2.082s

Identify the company founded by this entrepreneur (click to reveal image)

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Press A, B, C, D to answer

Top players

Fastest correct answers

First place
Priya Mehta @priya-mehta

2.082s Time to beat

Second place
Muhammed Hatino @balanced-bright-pointer

9.338s

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ShiftAir Transmission Pvt. Lt
@shiftairtransmission • Oct 4, 2026

Oct 4, 2026
288

Designing Compressed Air Pipework for Long Production Runs: Avoiding the Pressure Drop Trap

Hello Engineers, We've all seen it on the factory floor: a compressor running perfectly fine, but machines at the far end of a long production line are starving for air....

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