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04:48Ep. 28 | What if you bolt an afterburner onto a car turbocharger? Turbojet gen 14 doubles its thrust
04:48An afterburner on a car turbo? Hardcore mod
03:57DIY high-power flashlight tutorial: three 18650 cells and an e-bike headlight for under ¥20
04:25Ep. 41 | Home speakers built from car speakers — surprisingly good? Turning car audio into a home stereo that sounds this good
AWithZ Academy
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02:14Brushless motor turned monster fan, part 2 done. Installed + tested in one go, the sound takes off on the spot🔥
02:06DIY monster fan | Hardcore conversion of a drone brushless motor into a monster fan🔥 Step-by-step tutorial, a spot welder builds super-strong airflow💨, enough wind to take off — the summer cooling wonder
01:52Avoid the pitfalls in 1 minute! Beginners building a pack — 3 steps solve the core problems: set the series count ➜ set the parallel count ➜ lock in the BMS. With the AWithZ H2-2026 handheld, even a newbie can weld a finished-grade pack and get safely to the end🚗
01:00When 'handheld' meets 'supercapacitor', the limits of welding are redefined. AWithZ HF7 — the industry's first handheld capacitor spot welder, fully tested and revealed
Contests & events
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05:03Ep. 45 | An adjustable power supply with high-end features at rock-bottom cost? Building a portable, precise, digitally controlled adjustable supply from simple materials at the lowest cost — the result is a surprise
01:58Universal magnetic base build guide — the step-by-step build guide for the universal magnetic base is here
02:237.4V glue-stick mini fan tutorial, adjustable speed
04:30Ep. 36 | A Bluetooth speaker bought for under ¥1 sounds amazing after the mod! A junkyard speaker turned into a wireless Bluetooth speaker — the result is a real surprise
16:51I built a ‘New Year atmosphere machine’? If your village had a voice-controlled remote firecracker toy like this, would you stay home a few more days over the New Year
05:50Ep. 43 | A homemade electric grass trimmer? A simple electric trimmer built at home from scrap, and it works really well
03:57DIY flashlight — 3×18650 + e-bike LED, under ¥20
10:49Spent ¥127 on a high-power flashlight that lights up a whole building — no more fear of walking at night; 15 cells give 12 hours of runtime
03:53DIY an ultra-long-runtime seven-color night light? For the last science maker class of the term, I hand-built an ultra-long-runtime seven-color night light as a gift for my students
01:58Universal magnetic base — step-by-step
00:24Trash to treasure? Making my own solder-fume extractor! The perfect weld
01:45Ep. 61 | Last time a friend asked for one made from 18650s — today we build it; the full build is in the video, please watch patiently
08:45Build your own portable knife-sharpening gadget that every home needs? Kitchen knife gone blunt? Build a portable belt grinder on the cheap and never worry about a dull knife again
00:45I always looked up to the spot-welding pros, until I got one myself… turns out with full-auto anyone can do it
00:57Hand-built monster fan
01:41Found a new trick for the AWithZ spot welder, haha: spot-welding light bulbs
05:11Ep. 31 | Very ‘open for business’, good morning, a workhorse’s daily grind, energy +1 — hand-building a 2S2P flashlight pack for the Wurkkos SP10 and other 8.4V flashlights
01:03Ultra-low-voltage coilgun: the most powerful coilgun with the least copper
03:00Building a lithium-powered electronic magnifier to hunt for gold inside chips
00:22The batteries I planted are ripe — picking a few to make a power bank






