61 Blog Posts To Learn About Electronics

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Let's learn about Electronics via these 61 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the Learn Repo or LearnRepo.com to find the most read blog posts about any technology.​


Electronics is the branch of physics and engineering dealing with the control of electron flow, used in devices like computers, communication systems, and consumer gadgets. It forms the fundamental basis for modern technology and innovation across industries.

1. Turn your old useless laptop screen into an external monitor​


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For far too long I possessed an old Dell Studio laptop. It served me well for a good 5 years with a number of service centre visits, battery and hard disk replacements, formats and OS upgrades. From the past few years I have ditched the old laptop for a Macbook. Yet still, I never bothered to dispose of it. After all it still works (slow af but works!). <em>What if there is an ‘emergency’ situation where I need to use this ancient piece of technology?</em> I tried selling it, but the act itself and the price I get for it is honestly not worth it. Giving it to someone for free feels like a punishment to the person (most smartphones have better specs). Disposing it off just doesn’t feel right (yeah right! That’s the middle class in me speaking. Also not very good for the environment).

2. The Basics of The Firmware Development Process​


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Firmware development is a necessary process in creating a new device and an embedded system. All the features and functionality of a device depend on its firmware. In simple words, firmware lies between software and hardware parts. So, it helps run software on a device and makes hardware perform required functions without involving users.

3. 9 Best Gaming Earbuds in 2022​


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Asus, Angry Miao, and Turtle Beach produce some of the best gaming earbuds available on the market today.

4. Top 10 Electronic Design Companies You Should Know in 2022​


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Not all companies that sell great products can or wish to design devices on their own. Fortunately, businesses can choose from plenty of electronics design companies located in different countries. Many of them work internationally, offering hardware and software development, as well as other services.

5. Difference Between ECC and Non-ECC RAM​


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Error-Correcting Code (ecc), protects your system from potential crashes and inadvertent changes. So how about it be a ram server? Worth or not?

6. Comparing the Top 5 CAD Software for Electronics Design Development​


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Every electronics design starts with Schematics and PCB design development. This is a core aspect in a building a new electronics product. There are a lot of special CAD software that help engineers automate this process and perform it faster. However, all these CAD programs are not the same since they have various tools, interfaces, and give developers different capabilities.

7. Transform the SF Transit Clipper Card into a Wearable​


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As you know, <a href="https://hackernoon.com/how-i-live-my-115-things-53558259575b" target="_blank">I’m a hardcore minimalist</a>. I was getting tired of carrying around so many cards in my wallet and wanted to experiment with transforming my cards to a different form factor. Luckily, all it takes is a jar and some nail polish remover to dissolve the Clipper Card. After that, <a href="https://medium.com/@chrso" data-anchor-type="2" data-user-id="dba14badec93" data-action-value="dba14badec93" data-action="show-user-card" data-action-type="hover" target="_blank">Chris So</a> and I tried out three different form factors:

8. How To Test Safety Capacitor​


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  1. Test of Fixed Safety Capacitors

9. How to Interface the 8051 MCU with an LCD Display​


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Learn how to interface the 8051 microcontroller with a 16x2 LCD using Assembly!

10. How to Connect EPSON Printer to Wi-Fi: LCD and Non-Screen Display Printers​


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Connect EPSON printer to Wifi: 1.Press the home button 2. Press the connection icon 3. Select 'start set up' or change settings. 4. Select 'Wifi Setup Wizard'

11. DC-to-DC Converters: What are They and How do They Work?​


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DC-DC converters can be found in almost any modern electronics. The applications of DC-DC converters range from smartphones and laptops to industrial and military systems. From this article, you can learn about their common types, their advantages and drawbacks, how they work, where and why they are used, and what issues one can face when designing electronics with DC-DC power converters.

12. What's the difference between 74HC595 and 74HC164?​


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Hey guys, if you are an electronic DIY lover, you will always find a lot of similar or interchangeable components, which have subtle differences in the specs or features, therefore lead to the wrong application, 74HC595 and its similar components is an example I'm going to mention today.

13. Intro to Amplifier Comparator Circuits: LM311, LM393, LM2903 and LM2901​


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The comparator is a circuit that makes use of operational amplifiers with power functions, here gives some typical examples that you can use to analyse them

14. Designing Electronics To Avoid Electrostatic Discharge​


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Electronics can be easily damaged by electrostatic discharge from things as small as a light touch in the right conditions though designs can avoid it.

15. Top Electronic Design Service Companies You Should Consider in 2020​


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As I can see, electronic design companies are far more undervalued by the media than the software ones. But the fact remains that the market is fairly large and continues to snowball in growth. According to the Grand View Research comprehensive report, the size of the electronic design services, combined with contract manufacturing, has reached almost $400 bln in 2018 and will grow by up to more than $650 bln by 2025.

16. An Introduction to High Speed Printed Circuit Boards (PCB) ​


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A high speed printed circuit board design provides the transmission of signals at high speeds. It's a device that transfers data at very high speeds.

17. DIY Quick Fixes for Samsung TV Black Screen of Death​


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A Samsung TV black screen can be fixed by checking all connections, choosing the right display mode, updating the TV firmware, or the streaming source signal.

18. 5 Best Power Strips for Gaming in 2022​


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We’ve lined up the best power strips for gaming in 2021 to help you build an epic gaming setup and ensure an uninterrupted gaming experience

19. DIY Enthusiast Hacks His Way Into Building His Own Musical Instrument (And It Rocks!)​


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A cybersecurity engineer built a sci-fi bass from scratch, packed with a synth, a wireless transmitter, a hacked built-in tuner and voltmeters.

20. IoT Home Irrigation System Using Losant and Particle Photon​


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Water your plants, get alarms, and analyze the data

21. 8 Best Wireless Earbuds Under $50​


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In the world of audio devices, wireless earbuds are a relatively recent invention. Thankfully, they’re not so recent that you can’t find them for a low price today. There are some great wireless options out there for a price no greater than $50 USD. Unfortunately, this cheap price point comes with caveats. Poorly-made earbuds and off-brand trash are all sadly common when trying to find the cheapest buds out there. There’s still a good number of buds that are actually pretty good, meaning it isn’t impossible for enthusiasts to easily check out 8 of the best wireless earbuds under $50.

22. An Introduction to BLDC Motor Controllers​


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A brushless DC (BLDC) motor is one of the most popular electrical motors with a broad scope of applications.

23. 2n3904 Circuit: Multisim's BJT Circuit Simulation and Analysis​


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2n3904 Circuit: Multisim's BJT Circuit Simulation and Analysis

24. The Cyber Risks of Electric Vehicles​


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With the increase in the popularity of electric vehicles, it is essential to be aware of the potential cyber security risks associated with using them.

25. How to Unlock the Power of Custom USB Endpoints w/RaspberryPi PICO and PYUSB​


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How to interface USB protocol using python and LIBUSB

26. Custom RFID and NFC Device Development: Theory and Practice​


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RFID and NFC technologies are incredibly commonplace in the modern world but what goes into making them? This is the theory and practice behind the technology.

27. How to Build a Circuit: Breadboards for Beginners​


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When learning how to build a circuit, the breadboard is one of the most basic components. A breadboard is a rectangular plastic board with many small jacks.

28. How I Created a Digital Guitar and Turned It Into a Business​


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This is a story about building a digital musical instrument from scratch that has gone too far.

29. My Path to Becoming a Software Developer​


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My story begins way back in the 2004–2005 school year at Rio Linda High School. I was taking two advanced placement (AP) classes: calculus and physics. I had phenomenal teachers: Mr. Bautista and Mr. Gavrilov. I’m pretty sure they could teach calculus and physics to a cat, Schrodinger's cat, that is.

30. What Is GaN Technology and Its Place in Power Electronics​


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Power electronics is a basis for systems, devices, and gadgets applicable for a wide range of industries.

31. How to Connect Your Soundbar to External Components​


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It only takes a few minutes to connect your soundbar to your TV and get it running. But what if you want to set it up for another device, such as a gaming console or a Blu-ray player? Here, we go through the details such as the cables you need and settings you may have to change in your TV’s menu.

32. How I Created A Digital Guitar And Turned It Into a Business-Part 2​


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This is a story about building a digital musical instrument from scratch that has gone too far, developing it far beyond what it was originally intended to be.

33. 8 Best Wireless Earbuds Under $100​


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Treblab WX8, Sony WF-C500, and Samsung Galaxy Buds 2 are some of the best wireless earbuds under $100 available on the market.

34. How to Choose the Best Mechanical Keyboard​


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Mechanical keyboards come in various sizes and layouts, each with benefits and drawbacks.

35. How I Defeated the Cobo Vault Pro’s Self-Destruct Mechanism​


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This article provides an analysis and detailed teardown of the Cobo Vault Pro hardware cryptocurrency wallet.

36. Because Science Turns Electronic Waste Into Art​


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Amanda Preske, the founder of Because Science turns electronic waste into art.

37. The Key Differences Between Consumer and Industrial Hardware Development​


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The term “industrial electronics” refers to any electrical equipment or system used for manufacturing goods or participating in this process indirectly.

38. What Makes Electronics Prototyping so Important for Successful Product Development​


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Electronic product design and development begins with prototyping. Certain prototypes can be very similar to your final product, but they are always experimental in nature because electronics prototyping involves testing new concepts, ideas, and solutions. Although there’s a mishap risk, skipping this phase of electronic product development may lead to undesired expenditures. Businesses that don’t specialize in electronic hardware design often hire electronic prototype companies, such as Integra Sources. In this article, we will talk about the importance of prototyping and common prototyping phases.

39. How I Manufactured and Sold Electronic Badges - Part 1: Designing and Prototyping the Board​


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My experience designing and manufacturing a 'social battery' pin badge to sell online.

40. How (And Why) to Determine Power Factor for Medical Devices​


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Power factor is classically defined as the cosine of the angle between the root mean square (RMS) AC voltage.

41. Print Media is NOT Dead​


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A look at the best options for your small business printer needs.

42. How to Use a BLE Module — A RN4020 Guide​


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When it comes to connecting any electronic project, choices you have will depends on how far you want your gadgets to connect and the source of your energy.

43. How Long Do Macs Last And How Do You Increase Their Lifespan?​


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Learn how long do Macbooks actually last and get tips on how to make them last longer in this expert-written guide.

44. Elimo Impetus: a tiny S3 OSHW, FOSS System-on-Module​


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In case you missed our latest update, Elimo Engineering designed a small, powerful Linux System-on-Module, designed for low cost and fast system integration. It’s FOSS and OSHW and sports all of the following:

45. Electronics and Software Development Explained: A Look Inside Contract Engineering​


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Integra Sources CTO shares their working practices. Learn about our project phases, risk management, team synchronization, and client communication.

46. The Noonification: If Youre a Facebook User, Thousands of Companies Are Watching You (1/19/2024)​


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1/19/2024: Top 5 stories on the HackerNoon homepage!

47. 5 Studio Mixers for Home Recording​


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The top studio mixers are1. Yamaha MG10XU, 2. G-Mark MR80s, 3. Yamaha MW 12CX 4. PreSonus AR8c, and 5. Boss Gigcaster 8

48. Turn Your Raspberry Pi Pico into a Robot That Obeys Lines Like a Pro​


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A line follower is a type of autonomous robot that can detect and follow a line drawn on the floor, typically a black line.

49. How Computers Are Designed for Extreme Environments​


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Some computers have to operate in extreme cold and heat, and even in space. How are these devices designed to withstand such environments?

50. Samsung to Continue Expansion Plans, R&D Investments Despite Decline in Demand​


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Samsung is planning to expand its business overseas despite losses in operations. It also aims at introducing AI-tech-supported smart devices in the future.

51. Arduino UNO Board: Under The Hood​


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This article gives you a complete description of the very famous Arduino UNO board. The article discusses the hardware technicalities and programming of the board. If you are a beginner then, you may find this article very useful.

52. Meet Riemann Computing: Data Compression, CubeSats, and 2024's Electronics Startup of the Year​


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Riemann Computing develops a diverse range of technologies focused on data compression, with the goal of transforming the telecom and infrastructure sectors.

53. Outdoor Tech That Works: Stay Warm and Dry in the Harshest Conditions​


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Unlike GenAI and AR dresses, some wearable and outdoor tech innovations may not appear on the catwalks but could be essential (and save your life)

54. Meet the Writer: Danielle Gruber, Lover of Brains & Student of Engineering​


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My name's Danielle and I'm an electrical engineering major with a passion for neuroscience.

55. A Guide to Making a BLE-Enabled Smart Bulb with STM32​


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The aim of this project is to control different home appliances using a web browser or smartphone.

56. Trends Shaping the Future of Electronics Manufacturing​


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We discuss the seven most popular trends you need to remember over the past year.

57. How Computer Recycling is Going to Save Your City​


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E-waste makes up more than half of our toxic waste and it’s going to take all of us working together to make sure that the environmental impact is diminished.

58. Parameters of Carbon Film Resistors​


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Carbon film resistors are a type of film resistor. It uses high-temperature vacuum coating technology to closely attach carbon to the surface of the ceramic rod to form a carbon film. Then appropriate joints are added for cutting, and the surface is coated with epoxy resin for sealing protection. The surface is often painted with green protective paint.

[59. Is Your Product Ready for Certification: Highlights of Electronics​


Certification in the US and EU](https://hackernoon.com/is-your-product-ready-for-certification-highlights-of-electronics-certification-in-the-us-and-eu)
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A company must prove that its products comply with the local government regulations by going through a certification procedure.

60. Dear Elon Musk, Can You Make My Printer Work?​


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Simply put, Elon, if anyone can solve my irritating malfunctioning printer it’s you.

61. What Makes EV Startups Succeed (or Fail) from an Engineer’s View​


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In software, you can ship fast and fix later. In cars, you ship once, and if you ship junk, the market knows.

Thank you for checking out the 61 most read blog posts about Electronics on HackerNoon.​


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