ebum - Invidious

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Welcome to ebum — your practical hub for DIY electronics, custom audio, and smart hardware! ⚡

Turn vintage speakers into Bluetooth sound systems, build 18650 lithium battery packs, master DC-DC converters, or fix everyday tech without expensive tools. We break down complex electronics into clear, beginner-friendly guides.

What you'll find:
• DIY Audio & Amplifiers: Bluetooth speakers, Class D amps (TPA3116D2, TDA7498, PAM8403), crossovers & upgrades.
• Power & Batteries: 18650 packs, 3S BMS wiring, fast-charging power banks & solar setups.
• Modules & Tutorials: Buck/boost converters (LM2596, MT3608), soldering & wiring hacks.
• Repairs & Teardowns: LED fixes, adapter mods & hardware upgrades.

Our mission: help you build, repair, and innovate with confidence — saving money while mastering the craft.

🔔 Subscribe & hit the bell so you never miss a new build!

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2:01

TDA7498 Subwoofer Amplifier Board Teardown

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Shared 3 days ago

218 views

2:47

Build a DIY Fast Charge Power Bank in 3 Minutes!

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Shared 1 week ago

329 views

2:11

XH-M543 TPA3116D2 Amplifier - Best Budget DIY Amp?

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Shared 2 weeks ago

466 views

3:30

Convert Laptop Adapter to USB Charger - DIY 3A!

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Shared 3 weeks ago

297 views

3:21

The Aluminum Foil Router Trick Explained (WiFi Experiment)

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Shared 1 month ago

1.4K views

8:03

Add Bluetooth & USB to ANY Old Speaker! 🔊

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Shared 1 month ago

523 views

1:59

How to Wire a 3-Way Speaker Crossover | WEAH-3509A Review & Test

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Shared 1 month ago

520 views

3:45

Fix Any Digital Timer! Easy Battery Replacement

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Shared 1 month ago

312 views

2:53

DIY 200W Stereo Speaker Build: TDA7498 XH-M510 Amp Module & Sound Test

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Shared 1 month ago

450 views

2:19

Boost 3.7V to 5V: L6009E1 Converter Tutorial

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Shared 2 months ago

281 views

1:55

Quick Trick! | Test a speaker with a battery

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Shared 2 months ago

153 views

3:29

DIY Solar Power System: Step-by-Step 150W Off-Grid Setup for Beginners

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Shared 2 months ago

414 views

8:04

Stop Twisting Wires! The Correct Way to Splice Electrical Wires ⚡

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Shared 2 months ago

418 views

2:02

How to Build a Powerful 100W Bluetooth Speaker | DIY Stereo System (XY-C50L)

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Shared 3 months ago

495 views

8:03

(Search-Friendly): How to Connect Batteries in Series and Parallel | Increase Voltage & Amps 🔋

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Shared 3 months ago

163 views

3:52

Top 5 Best Mini Class D Amplifier Boards for DIY Speakers (PAM8403 vs PAM8610)

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Shared 3 months ago

308 views

1:37

150W 6A DC-DC Boost Converter: High Power Step-Up Module Unboxing & Specs

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Shared 3 months ago

274 views

2:46

TPA3116D2 150W+150W Class D Amplifier Unboxing & Review | XH-M546 Powerhouse

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Shared 4 months ago

406 views

3:39

Turn Your Old Speakers Into a Modern Bluetooth Sound System (Easy Upgrade!)

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Shared 4 months ago

155 views

2:31

How to Install MP5 Player Board (USB/TF/FM/Bluetooth) | Full Wiring & Test Guide

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Shared 4 months ago

896 views

2:57

Top 4 Stereo Amplifier Boards (Class D) for DIY Audio 🔊 | Home & Car Sound Build

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Shared 4 months ago

332 views

2:32

How To Repair LED Bulb Without Hot Air | Replace SMD LED with Soldering Iron

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Shared 4 months ago

164 views

2:01

Teardown of an AV to VGA Converter | What's Inside?

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Shared 5 months ago

77 views

2:09

How to Make a 3.1A FAST CHARGE Power Bank with USB-C! (In 2 Minutes)

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Shared 5 months ago

2K views

2:51

MT3608 Boost Converter Tutorial: 3.7V to 5V, 9V & 12V Step-Up Guide

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Shared 5 months ago

1.4K views

1:32

DIY High-Quality Cold Mist Tutorial | How to Setup Ultrasonic Mist Maker Fogger

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Shared 5 months ago

192 views

3:26

STOP! Don’t Trash Your Old Speakers 🛑 Make Them Wireless in 3 Minutes!

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Shared 6 months ago

75 views

1:48

Connect 18650 Battery WITHOUT Soldering 🔋 Easy Wire Method (No Spot Welder Needed)

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Shared 6 months ago

290 views

2:53

Stop Buying AA Batteries! Convert 3.7V Lithium to 1.5V (DIY Hack)

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Shared 6 months ago

89 views

4:55

Build a Powerful 4 Channel Home Audio System | TDA7850 Amplifier DIY Speaker Box

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Shared 6 months ago

365 views

3:35

Build a 12V Li-ion Battery Pack with 18650 Cells & 3S BMS | Step-by-Step DIY Guide

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Shared 6 months ago

211 views

2:03

How to Properly Connect Electrical Wires (Soldering & Heat Shrink Tutorial)

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Shared 7 months ago

30 views

1:40

How to Upgrade RAM on an Old Dell Laptop | Step-by-Step Guide

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Shared 7 months ago

33 views

6:14

Upgrade Your Old Sound System with These 3 Devices! (USB, Bluetooth, and Remote Control)

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Shared 7 months ago

497 views

8:07

Turn Your Old Monitor Into a TV for PS4! (How to Use an HDMI to VGA Converter)

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Shared 7 months ago

1.1K views

8:03

ساخت شارژر همه کاره موبایل با هر آداپتوری (تبدیل برق ۶ تا ۲۴ ولت به USB)

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Shared 8 months ago

510 views

5:06

Connecting New Graphics Cards (HDMI) to Old VGA Monitors - Problem Solved!

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Shared 8 months ago

373 views

8:05

آنباکس و آموزش نصب مانیتور سامسونگ ۲۴ اینچ مدل S30GD (سری جدید S3)

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Shared 8 months ago

224 views

5:49

آنباکس و بررسی اره عمود بر رونیکس 4150 | تست سرعت و امکانات کامل

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Shared 8 months ago

57 views

8:02

Complete Guide to Connecting a Satellite Cable Connector + Reasons for Receiver Signal Loss

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Shared 9 months ago

1K views

3:30

آموزش باز کردن لپ تاپ لنوو در منزل برای تعویض رم و هارد- ایبوم

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Shared 9 months ago

123 views

3:00

Complete Guide to Removing the Dashboard Panel and Replacing the Head Unit in Tiba and Pride (Ste...

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Shared 9 months ago

3.1K views

8:06

The Best Way to Add USB and Bluetooth to Car Stereos and Home Audio Systems | Introducing Boxed M...

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Shared 9 months ago

845 views

8:02

چطور ضبط و اسپیکر قدیمی را بلوتوثی کنیم؟ 🎵 (آموزش نصب ماژول بلوتوث MH-M28 ) - ایبوم

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Shared 10 months ago

1.5K views

6:19

Is the Samsung Galaxy Watch 7 Worth Buying? (Full Review of Design, Battery, and Features) - Eboom

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Shared 10 months ago

172 views

4:18

Real-World 100W Subwoofer Test of TPA3116 Amplifier | Did the XH-M139 Module Fail the Final Test?...

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Shared 10 months ago

2.3K views

3:47

۴ گجت کاربردی که نباید از دست بدهید! | مبدل HDMI به AV، مبدل HDMI به AUdio و رینگ لایت (قسمت دوم)

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Shared 10 months ago

242 views

3:56

پیشنهاد ۱۰ گجت، مبدل صوتی تصویری و لوازم جانبی برقی که در خانه لازم هست | قسمت اول (۶ ابزار کاربردی)

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Shared 10 months ago

164 views

8:19

TPA3116 Amplifier Comparison (2x50W + 100W) Expensive vs. Cheap: Full Sound Test and Differences ...

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Shared 10 months ago

4.3K views

4:24

افزایش ولتاژ: بررسی ماژول مبدل DC-DC افزاینده ولتاژ 10 آمپر 600 وات با کنترل جریان (قسمت ۲) | ایبوم

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Shared 11 months ago

532 views

4:21

تبدیل خروجی دیسپلی کارت گرافیک‌های جدید به پورت VGA مانیتور با مبدل Displayport به VGA - ایبوم

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Shared 11 months ago

276 views

8:06

Complete Guide to Parallel Wiring of 12V Car Batteries 🚗 | Increasing Amperage and Capacity (Vita...

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Shared 11 months ago

1.3K views

12:06

DIY the Best Portable & Home Bluetooth Speaker! Cheap and Easy - Iboom

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Shared 11 months ago

507 views

8:23

به‌روز کردن سیستم صوتی: بلوتوث دار و فلش خور کردن ضبط ماشین، اسپیکر و سینمای خانگی - ایبوم

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Shared 1 year ago

503 views

8:24

Subwoofer, Midrange, or Full-Range? Which Speaker Is Best for Your Audio System? (Technical Guide...

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Shared 1 year ago

1.6K views

8:22

Introducing the 4 Best DC-DC Boost Modules (Part 1) | Best DC-DC Converters for Electronic Projec...

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Shared 1 year ago

1.3K views

11:13

معرفی، آموزش نصب و تست صدای ماژول آمپلی‌فایر 150 وات TPA3116D2 مونو کلاس D | ایبوم

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Shared 1 year ago

1.7K views

10:29

How to Build a Versatile Voltmeter and Ammeter (100V 10A) | Accurate and Practical! Eboom

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Shared 1 year ago

1.7K views

11:52

Introduction and Guide to Using 24V to 12V Step-Down Converters from 10A to 120A - Eboom

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Shared 1 year ago

422 views

8:24

How to Wire Car Batteries in Series: Tips, Dangers, and Increasing Voltage from 12V to 24V - Iboom

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Shared 1 year ago

599 views