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ICHIKEN Engineering

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

75,412 views
10 days ago

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

74,879 views
2 weeks ago

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

147,511 views
3 weeks ago

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

55,782 views
1 month ago

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

1 month ago

Members only

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

246,944 views
1 month ago

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

105,289 views
1 month ago

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

91,662 views
2 months ago

Will an "aluminum" USB charger cool down?

179,425 views
2 months ago

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

130,296 views
2 months ago

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

232,204 views
3 months ago

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

133,667 views
3 months ago

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。

3 months ago

Members only

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

127,024 views
3 months ago

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

122,165 views
3 months ago

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。

3 months ago

Members only

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

25,086 views
3 months ago

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

63,152 views
3 months ago

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

39,898 views
4 months ago

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

9,208 views
4 months ago

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

105,285 views
4 months ago

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

195,164 views
4 months ago

They generated electricity by stealing WiFi signals.

100,222 views
4 months ago

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

262,470 views
5 months ago

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

140,988 views
5 months ago

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

264,779 views
5 months ago

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

255,870 views
5 months ago

Make your own printed circuit board with a laser LaserPecker LP5

41,335 views
5 months ago

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

28,301 views
5 months ago

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

66,689 views
6 months ago