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27 votes
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Balancing cube
12 votes -
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea
26 votes -
A tiny radioactive battery could keep your future phone running for fifty years
22 votes -
Exploding AT-AT on a tropical beach from Rogue One (Diorama)
14 votes -
Brain tissue on a chip achieves voice recognition
30 votes -
Giant anaconda sneaks up on unsuspecting riverboat captain (Diorama)
27 votes -
This "perpetual motion" device is really clever
18 votes -
Scientologists ask US Federal government to restrict right to repair
46 votes -
Why Silicon Valley is here. One radio engineer had a plan. And it worked.
3 votes -
Superconductor breakthrough replicated, twice, in preliminary testing
https://www.tomshardware.com/news/superconductor-breakthrough-replicated-twice
48 votes -
Discussing the finer points of space-worthy software
12 votes -
This laser repairs OLED phone screens by repairing broken internal traces - without taking the screen apart or even turning it off
17 votes -
I built an exoskeleton for my three-legged dog
31 votes -
We turned a boring Alexa Echo device into an animatronic robot
6 votes -
How I hacked CASIO F-91W digital watch to support NFC payments
10 votes -
MiSTer Arcade Terminal
7 votes -
Bullets hitting bullets in slow motion - The impossible shot
14 votes -
The story of the first video game cartridge
9 votes -
Why these old Japanese vending machines are genius
14 votes -
Piezoelectric fan to potentially replace all traditional fans in electronics
20 votes -
Electric cars prove we need to rethink brake lights
9 votes -
Soft ‘e-skin’ generates nerve-like impulses that talk to the brain
8 votes -
The world's cleanest railway
4 votes -
LockPickingLawyer (literally) slaps open a MojoBox digital lockbox
22 votes -
Raspberry Pi 4 running OpenOCD cannot flash ATSAMC21G18A that drives SWD pins
3 votes -
The insane engineering of the F-35B
5 votes -
The inner beauty of basic electronics
6 votes -
Michael Reeves uses TENS (transcutaneous electrical nerve stimulation) units to turn other YouTubers into real life Rock' Em Sock' Em Robots and teach himself how to box
7 votes -
Vinyl noise reduction system Pro-ject NRS Box S3 review
2 votes -
Hacking a weird TV censoring device
3 votes -
Gallium: The liquid metal that could transform soft electronics
7 votes -
What? More 8-bit microcontrollers?
3 votes -
The Warthog Project - My home flight simulator: An overview
4 votes -
Electric kettles turn off automatically when the water starts to boil. So what happens when you boil alcohol that has a lower boiling point?
6 votes -
What Arduino-like kit do you recommend to get started with children?
Hi Tildes, I'm looking to introduce my children (aged 10 or so) to simple electronics (blinking lights, simple sensors, ...). I've played with Arduino in the past, but I see that there are now...
Hi Tildes,
I'm looking to introduce my children (aged 10 or so) to simple electronics (blinking lights, simple sensors, ...). I've played with Arduino in the past, but I see that there are now many competing options: Arduino, cheap rip-offs, RPi zero, adafruit, ESP32, ... It's easy to get lost!
Which do you recommend? Ideally, I'd like something cross-platform and open-source, easy to set up (ideally a kit with everything included), and of course not insanely expensive.
Edit: thanks everyone for the good advice! There are so many good options...
12 votes -
Fixing a tiny corner of the supply chain
9 votes -
A machine that can only draw one line patterns
3 votes -
Electric ice skates that can also be a meat grinder
8 votes -
Free Geek Twin Cities: E-Waste and education
5 votes -
Good electronics repair shop?
I recently went into my attic and pulled out my old 1990s 4-track Fostex X-26 tape recorder. I was hoping to transfer some of my old band tapes to the computer. Alas, it is dead. While it turns...
I recently went into my attic and pulled out my old 1990s 4-track Fostex X-26 tape recorder. I was hoping to transfer some of my old band tapes to the computer. Alas, it is dead. While it turns on, the motor appears frozen, and the device hums. (I don't mean there's line noise when you plug a speaker into it, I mean the device itself audibly hums, even when not using the tape controls.)
I have seen online that some people repair theirs. It's probably beyond my skill level to do so, though. (And I don't really want to do it myself.) I have contacted a few shops near me (Los Angeles), but have gotten no replies, unfortunately. I was wondering if anyone here knows of a good shop that would repair an older device like this.
I have also contacted some places that claim to do cassette to digital transfers, but none have replied to my questions about whether they can deal with a 4-track recording. Also, just looking at their prices, it seems like it would cost significantly more to have them convert my tapes than to get the recorder repaired. (And I'm not sure what's on all of the tapes, so I don't really want to hand over some embarrassing practice tape or tape containing some out-of-context banter between takes on it.)
I've looked online for a used one, but all the listings I've found have been "for parts only", which is what mine would be if I were to sell it. And knowing how these things go, they probably all have the same broken part. So any recommendations are appreciated!
10 votes -
Apple’s quiet war on independent repairmen
12 votes -
Good basic electronics toys for twelve year olds?
Back when I was a kid, I had a radioshack 200-in-1 science fair electronics kit this one I loved that thing, and it sparked an interest in tech that ultimately led me to a CS degree. Id like to...
Back when I was a kid, I had a radioshack 200-in-1 science fair electronics kit this one
I loved that thing, and it sparked an interest in tech that ultimately led me to a CS degree.
Id like to buy something similar for my much younger sister, but nowdays everything I can find is arduino or raspi based. Id love to get something like that eventually, but I think it might be better to get a kit that more focuses on individual components first... Does anyone know of one sold these days?
Alternatively, if anyone has one of these and would be willing to scan the book, Id love to build one of these as a breadboard-based system.
13 votes -
Why are circuits on boards?
10 votes -
Building electronics that can survive under Greenland's ice sheet – meet the Cryoegg, designed to follow the melting going on beneath the ice sheet
10 votes -
Automatic pool cue vs. strangers
6 votes -
Hands-on with the new RISC-V based ESP32-C3
13 votes -
A visit from The Great Internet Migratory Box of Electronics Junk
14 votes -
Will Tesla's new "tabless" battery cells utilise schoopage?
3 votes -
Do you have any hobby electronics projects in progress?
I’ve been wanting to get in to hobby electronics now that I have some free time, but I’m not sure what I want to start with. I am super interested in building an 8-bit computer but I’m curious...
I’ve been wanting to get in to hobby electronics now that I have some free time, but I’m not sure what I want to start with. I am super interested in building an 8-bit computer but I’m curious what other types of things people have built or are building. Feel free to talk about any Raspberry Pi or Arduino projects as well even if they’re not strictly ‘hobby electronics’.
8 votes