Lopper @0xLopper

Someone leaked footage from inside a facility running hundreds of Mac Studios stacked sideways like books on a shelf, and I can't stop looking at it. Not server blades. Not custom silicon. Actual consumer Mac hardware, the same chip in the one on your desk, racked in rows five high, each one wired to its own cooling fan behind it. Every unit has its own label. Someone is tracking these individually, like it's a fleet, not a cluster. The reason this exists: cloud Mac hosting, CI pipelines for iOS apps, macOS builds that legally have to run on real Apple hardware. Apple's own licensing terms force this. You can't just spin up a virtual Mac the way you'd spin up a Linux server. So companies buy hundreds of actual Mac Minis and Studios, bolt them into custom racks, and run them like a server farm because Apple's rules leave no other option.

Someone handed me a monitor labeled "8K Vision" and no other explanation. One cable in, and my laptop screen just appeared on it. Same frame, same second. Then the color test ran: an egg cracking into flour, a lemon slice hit with water. The yolk had weight. The water looked wet. Nothing about a single cable and a slab of glass should explain that. Still trying to figure out why a four-second setup looks better than monitors three times the price.

This is how prosthetic hands actually get controlled, and it's running on parts that cost less than a textbook. A glove wired with flex sensors reads exactly how far each finger bends. An Arduino turns that into servo commands, five motors, five fingers, one to one. Make a fist, the robot hand makes a fist. This is the same core idea behind real prosthetic control, built on a classroom desk.

pupupu @0xpupupu

2 months ago

x.com/i/article/2088…

4 7 58 768K 105

Spent actual engineering hours building a machine whose entire purpose is a meme that will be forgotten. Servo motor, two paper hands, one LCD screen that never changes from "6 7." It just sits there, tilting its hands, completely convinced it's doing something important. This is what happens when Arduino skills meet zero impulse control.

motyka_9 @motyka_9

a month ago

x.com/i/article/2091…

4 9 92 795K 141

This looks like a prop from a hacker movie. It's actually a $50 Arduino board wearing a 3D printed shell. The new UNO Q drives the screen directly. Seven Modulino boards, knob, sensor, LED matrix, mic, sit underneath as real physical controls, not touchscreen buttons. Power it on and it boots straight into a game, reading every module live. Sci-fi look, actual working hardware underneath.

pupupu @0xpupupu

2 months ago

x.com/i/article/2088…

4 7 58 768K 105

Your Xbox controller can drive a robot the size of your thumb, and nobody told you that. Two tiny ESP32 robots, each with an OLED face, take input straight from a standard Xbox controller. No app, no pairing ritual, no custom hardware, just the same controller that's already in your drawer. They blink, they drive, they turn to face you. All from a controller built for a completely different purpose.

motyka_9 @motyka_9

a month ago

x.com/i/article/2091…

4 9 92 795K 141

Built a working radar out of an Arduino and a $3 ultrasonic sensor, and it actually finds things. A servo sweeps the sensor back and forth, pinging distance at every angle. The laptop turns that into a live radar screen, angle, range, target status, updating in real time like something off a submarine console. Wave a hand in front of it and it stops saying "CLEAR" and starts tracking you, angle and distance both.

pupupu @0xpupupu

2 months ago

x.com/i/article/2088…

4 7 58 768K 105

Watched a $10 breadboard count down to zero and then genuinely flinched. The OLED ticks the seconds down, 10, 9, 8, all the way to zero. That's when the relay clicks and fires whatever's wired to it. Screen says "BOOM." Smoke actually comes out. This was built entirely from an Arduino Nano and jumper wires, no special hardware.

motyka_9 @motyka_9

a month ago

x.com/i/article/2091…

4 9 92 795K 141

Built a machine that discriminates purely based on color. It's for candy, so it's fine. M&Ms drop through a funnel one at a time. A color sensor scans each one, and a servo rotates a chute to send it into the matching cup, blue, green, yellow, or red. No hands involved, no mercy either. It has sorted more candy in ten minutes than I have in my entire life, and it never once asked for a lunch break.

pupupu @0xpupupu

2 months ago

x.com/i/article/2088…

4 7 58 768K 105

Your first computer needed a monitor, a keyboard, and a wall outlet to do less than this board does off a battery. I hooked a USB camera to the new Arduino UNO Q and powered it from a power bank. That is the entire setup. It started detecting objects live: bottle, banana, phone, each with its own confidence score, updating in real time.

motyka_9 @motyka_9

a month ago

x.com/i/article/2091…

4 9 92 795K 141

Found a Mac Mini old enough to still have removable RAM. Took that as a challenge. Opened it up, pulled the board, swapped the two 8GB sticks for two 16GB sticks, and put it all back together. System Report confirms it: 32GB DDR4, both banks. Apple has not let you do this on a Mac Mini in years.

pupupu @0xpupupu

2 months ago

x.com/i/article/2088…

4 7 58 768K 105

Apple sells a $700 computer that overheats because of how it sits on a table. A $12 stand fixes what a trillion dollar company did not. It raises the Mac Mini 1.42 inches off the desk. That gap is the difference between the fan pulling in air and the fan pulling in nothing. No screws, no tools. It just clicks under the case and holds.

Everyone solves desk cable clutter with cable management. I solved it by bolting the computer under the desk. The Mac Mini hangs upside down right under the desktop. Two SSDs and a USB hub with an SD card reader are attached to it, and it is all one piece, not five separate devices connected by cables. The only things left on the desk are the monitor and keyboard. The computer is physically removed from view. This mount is not for everyone. It is only for people who love a minimal desk setup.

Lopper @0xLopper

2 weeks ago

x.com/i/article/2100…

0 0 5 62K 6

I found a $20 shell that turns my Mac Mini into a Bondi Blue iMac from 1998. Slides right over the whole machine like a phone case. Ports still open, vents still breathe, even the Apple logo peeks through the translucent orange plastic. Didn't touch a single screw. Didn't void anything. Just... wrapped nostalgia around a computer that was already perfect.

Lopper @0xLopper

a month ago

x.com/i/article/2093…

0 2 15 170K 20

MY MAC MINI HIT 100°C AND I DIDN'T EVEN NOTICE HOW IT HAPPENED - A magnetic cooling puck snaps onto the bottom. No bracket, no screws, aligns itself instantly - Doubles as a dock: extra USB PORTS, one cable out the back instead of a mess up front - Temps dropped enough that fan noise basically vanished under full load I hate it most when Apple hardware overheats. At least It's not loud about it)

motyka_9 @motyka_9

a month ago

x.com/i/article/2091…

4 9 92 795K 141

@theapplehub 2007 made touch the interface. 2017 made the screen the whole phone. 2026 is betting the crease disappears

I TOOK APART A $600 COMPUTER UNTIL NOTHING WAS LEFT BUT THE CHIP. → Box to bare logic board in one sitting — fan housing, antenna assembly, and heatsink each pull free with almost no force → The M4 chip sits dead center on the board, no bigger than a postage stamp, doing more work than towers three times its size ever did → Every part ends up laid out on the table like a diagram — nothing hidden, nothing glued down for good People still think "powerful" has to look complicated. This is what happens when you take that assumption apart, screw by screw.

pupupu @0xpupupu

2 months ago

x.com/i/article/2088…

4 7 58 768K 105

ANOTHER COMPANY BUILT A RACK UNIT FOR THE MAC MINI. THIS ONE HAS A BUILT-IN KNOB. → A 2U rack shell swallows the Mac Mini whole — Apple logo visible through a cutout on the front panel → Power and USB ports get extended to the back of the rack, so cabling stays exactly where server hardware expects it → A rotary dial up front — not decoration, an actual control — something no stock Mac Mini has ever had Every accessory maker is racing to answer the same question right now: what happens when a desktop computer starts getting treated like a server?

motyka_9 @motyka_9

a month ago

x.com/i/article/2091…

4 9 92 795K 141

@isa_marcial folding open doesn't matter if it can't split three apps at once without lagging