Tear Up Tsukuba Circuit with a Neodymium-Modified Motor! [CQ EV Mini Kart Race Tsukuba 2026]

Who Makes Your Semiconductors? A Comprehensive Guide to Global Companies in Design, Materials, Co...

Station Soldering Irons Are Simply the Best! Explaining Why They're So Great.

Disassembling a QDD Motor: A Key Component for Physical AI! How Does It Differ from a Regular Motor?

Domestic production line for Japan-made USB chargers is complete. Mass production starts soon.【CI...

What are these electronic components designed to burn? [Actually, they're pretty important: Visha...

Teardown Review of Smart Glasses [RayNeo iO Smart Glasses]

Teardown Review of a "Liquid-Cooled" Power Bank 【UGREEN Magflow 10000mAh】

CIO Domestic Charger Crowdfunding "Starts Tomorrow" | [CIO Domestic Charger Project 05]

We've almost solved the overheating issues with our Japanese-made CIO charger prototype [CIO Japa...

I discovered an interesting thermal management component!! Conducts heat, not electricity. 【Therm...

Resistor Manufacturers Assemble!! Exploring Each Company's Strengths Through Interviews 【TECHNO-F...

I broke my air conditioner, so I'm going to fix it myself

Does PCB Artwork Change EMI Radiation Noise? 【Techno-Frontier 2026 Ichiken Lounge】

[Is Chinese tech spec inflation a scam?] Teardown review of an electric air duster from Amazon

I Custom-Built Apps for These Smart Glasses and They’re Way Better Than Expected【Rokid Smart AI G...

The time the circuit board I designed with AI worked on the first try

I Bought a Data Center GPU on AliExpress... How Is It Different from a Regular Graphics Card? NVI...

I Outsourced Everything: AI Designed My PCB in 2 Hours.

Is Daiso’s $880 Yen GaN 30W USB Charger Worth Buying?

「効率いいから発熱も少ないはず」が通じなかったUSB充電器【STABILIST 65W】

Trying Out the New Budget-Friendly Industrial PLC from Arduino 【Arduino Opta】

I took apart the new Anker charger with a display, and the internals have evolved to an insane le...

A review of the "Arduino Nano R4," which was released without me noticing. [Goodbye Mini-B]

世界一低性能な1ビットCPUをASIC化してチップから自作! そしてオーバークロックしました

I went to a factory in China to prototype our "Made in Japan" charger [CIO "Made in Japan" Charge...

[Mysterious Metal Case] What is this thing on the circuit board?

Testing the CIO's prototype USB charger!! Heat generation was higher than expected, requiring a r...

Exposing Semiconductors and Electronic Components! The Fascinating World of Components Seen Throu...

What is the 'Hybrid Inverter,' the savior of solar power systems that drastically reduces electri...

CIO and Ichiken Team Up to Create a "Made-in-Japan USB Charger" [CIO Made-in-Japan Charger Projec...

Does it have any meaning? The ferrite core attached to the power cable.

What is this strangely shaped coil? Let's explain conical inductors.

Will it surpass the PX-280, the temperature-controlled soldering iron that was a massive hit on A...

Wireless charging: "Qi was too big." What will become of NFC charging, the savior for ultra-small...

[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 ...

そのビジネス、シリコンチップにできます!『差別化』できる半導体の作り方【テクノフロンティア2025 イチケンラウンジ 】

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