[WARNING] These are not ordinary batteries. Nickel-zinc batteries are not for everyone.

Building a supercomputer with seven Raspberry Pis. What's the performance like?

The heart of the Honda e:HEV - Disassembling the CR-V inverter

What happens when you connect three of these insane mini workstations from a mini PC manufacturer...

I tried making an operational amplifier from a semiconductor circuit [Open Source Semiconductors]

[Serious Test] The World's First Water-Cooled Smartphone | Limitations and Possibilities Revealed...

What about USB oscilloscopes? Let's test it with a real USB oscilloscope [PicoScope]

USB充電器の効率測定が面倒すぎたので専用基板(治具)を作ることにしました

When I took apart the noise suppression parts, I was shocked to find that they were ground loop s...

Apparently a new USB charger with zero standby power consumption has been released, so we took it...

"Is this a Raspberry Pi?" I tried out the Raspberry Pi 500+ with a built-in keyboard

Will an "aluminum" USB charger cool down?

"Arduino Uno Q, isn't it already a microcontroller?" Engineers are abuzz about the true nature of...

Why can it beat GaN? Revealing the "mysterious technology" of ADAMON 65W [USB charger teardown re...

Build your own EV kart and take part in the race! Can you win?! [CQ EV Mini Kart Race Tsukuba 2025]

USB充電器の発熱問題を調査するための装置を自作します。

The mysterious object found inside a 500W USB charger makes up about half of its weight.

Performance degradation due to heat! A closer look at the "heat problem" of the latest USB chargers

エナジーハーベスティング用昇圧コンバータの自作。250mVから動作します。

Electrolytic capacitor manufacturers gather together! Explore each company's unique features in a...

[Factory Tour] This is how power semiconductors are made! We will show you the whole picture of t...

Reviewing an oscilloscope with breakthrough cost performance [RIGOL MHO98] Limited to 1998 units ...

That business can be realized with silicon chips! How to create "differentiated" semiconductors [...

Anker USB Charger "New vs. Old"! Are they different internally despite being both 45W? [Nano II 4...

なぜ折れない!? iPhone Airを完全分解して分かった驚きの内部構造

They generated electricity by stealing WiFi signals.

Is it too expensive? We tear down Apple's new 40W charger and explain the price: 6,480 yen [Part 2]

What does this mean about the USB charger released by Apple? [Part 1]

We'll disassemble and explain the inverter of a Chinese BYD electric vehicle! [BYD ATTO 3]

Let's make a giant, super bright LED flashlight with 200,000 lumens! [Extreme Electronics 2]

Make your own printed circuit board with a laser LaserPecker LP5

A bending electronic component? What is the principle behind bending sensors? A demo comparing re...

Ichiken: Making your own USB charger. "Make a flyback converter with momentum"

【重要補足追加版】物理的にアツい! 日本メーカーCIOから出た世界最小級の65WUSB充電器を分解レビュー! レビューで見かける発熱問題はどうなったのか? NovaPort SOLO II 65W

Tester vs. Clamp Meter: Which is the Right Solution for Measuring Current?

We'll take a look at the new Switch 2 and explain the differences between it and the older model!

ホンダ フィットのインバータを分解して他社との違いや類似点を見つけていきます

We will explain the operating principle of parametric speakers, which produce audible sound despi...

[Worried about the price?] The power of the cheapest air conditioner on Amazon. A thorough teardo...

Let's try using a module that makes it easy to use power semiconductors.

What is this semiconductor that supports USB chargers and smartphone charging behind the scenes? ...

[15x Speedup!] How Much Can AI Be Accelerated with a Raspberry Pi 5 and an External GPU? [Part 2/2]

【システム構築編】Raspberry Pi 5 × 外付けGPUでどこまで高速化できるのか？【part1/2】

Don't be fooled by Anker: Teardown review of a cable that turns a USB charger into a multi-port [...

使うプローブの種類で波形はどのくらい変わる? 受動プローブ､ 差動プローブ､ 光絶縁プローブの3種類で検証します｡

[Good news] A tool that exposes the inside of a microcontroller has been released.

Why are Toyota hybrid cars so fuel-efficient? Learn about the fuel-efficient technology behind th...

【600ワット (大嘘)】アリエクスプレスで売られている謎の600W USB充電器を分解レビュー

Is it safe to buy a Chinese-made oscilloscope? Let's try it out.

Chinese AI "DeepSeek" runs on Raspberry Pi 5! Is it more powerful than ChatGPT?

社員じゃないけど"イチケン"が解説します!｡ 三菱電機のパワー半導体技術を大公開

ハンダコテのコテ先掃除やってますか? ロボットハンダコテで検証します｡

Do you know the resistance value of this grid-connected circuit? Let's explain! [Ichiken Electron...

日産ノート e-POWERのインバータを分解します! これは半分電気自動車です｡ 高速燃費が悪い原因を解説

3端子レギュレータの違いわかりますか? 通常品とLDOの違いを解説します!

積層セラミックコンデンサとは何ですか? MLCCの原理､構造､製造工程について解説します! #イチケン電子基礎シリーズ

パワー半導体だけじゃない！半導体で作ったマイクで市場を制するインフィニオンの戦略

電気回路で迷路を解く

Teardown review of a fun gadget that cools your smartphone with Peltier technology and wirelessly...

What is an FPGA? Learn about FPGAs, the magical semiconductor devices that allow you to change th...