This Week In Security: A Digital Café Américain, The Linux Bugs That Weren’t, The Great Nation, And More

A government is going after a human rights activists in Morocco. It sounds familiar, but I don’t think Humphrey Bogart is running the gin joint this time around.

Questionable Casablanca references aside, Amnesty International has reported another attack against human rights workers. In this case, a pair of Moroccan activists …read more

Worried About Bats In Your Belfry? A Tale Of Two Bat Detectors

As somebody who loves technology and wildlife and also needs to develop an old farmhouse, going down the bat detector rabbit hole was a journey hard to resist. Bats are ideal animals for hackers to monitor as they emit ultrasonic frequencies from their mouths and noses to communicate with each …read more

Worn Out EMMC Chips Are Crippling Older Teslas

It should probably go without saying that the main reason most people buy an electric vehicle (EV) is because they want to reduce or eliminate their usage of gasoline. Even if you aren’t terribly concerned about your ecological footprint, the fact of the matter is that electricity prices are so …read more

RTFM: ADCs And DACs

It’s tough to find a project these days that doesn’t use an analog-to-digital converter (ADC) or digital-to-analog converter (DAC) for something. Whether these converters come as built-in peripherals on a microcontroller, or as separate devices connected over SPI, I2C, or parallel buses, all these converters share some common attributes, …read more

Pack Your Bags – Systemd Is Taking You To A New Home

Home directories have been a fundamental part on any Unixy system since day one. They’re such a basic element, we usually don’t give them much thought. And why would we? From a low level point of view, whatever location $HOME is pointing to, is a directory just like any other …read more

See all blog entries

Vintage Transistor Radio Gets Internet Transplant

No comments
By Lewin Day | October 21, 2019

The invention of the transistor revolutionized radio, allowing receivers to be made far more compact and portable than ever before. In the middle of the 20th century, the devices exploded in popularity, and pocket transistor radios took the market by storm. [MisterM] had fond memories of such times, and when …read more
An Algorithm For De-Biasing AI Systems

9 Comments
By Sharon Lin | October 21, 2019

A fundamental truth about AI systems is that training the system with biased data creates biased results. This can be especially dangerous when the systems are being used to predict crime or select sentences for criminals, since they can hinge on unrelated traits such as race or gender to make …read more
Build Yourself A Set Of Glowing Wings

6 Comments
By Lewin Day | October 21, 2019

Humans didn’t come with wings from the factory, and most efforts to fit them after the fact have been at least as far as flight is concerned, largely fruitless. That doesn’t mean you can’t cut a devastatingly sharp aesthetic though, and [Natalina’s] fiber optic wings are a great way to …read more
An Optocoupler Doorbell Notifier

4 Comments
By Tom Nardi | October 21, 2019

Over the years we’ve seen several attempts at adding Internet connectivity to the lowly wired doorbell. Generally, these projects aim to piggyback on the existing wiring, bells, and buttons rather than replace them entirely. Which invariably means at some point the AC wiring is going to need to interface with …read more
A DIY Retrocomputer Programmed In Pure Rust

10 Comments
By Sharon Lin | October 21, 2019

Can you generate VGA and handle a PS/2 keyboard with a Cortex-M4 in Rust? That’s precisely what [theJPster] wanted to find out with Monotron, a 1980s style home computer programmed in pure Rust.

In order to run embedded Rust without a working operating system, some tools are necessary: an LLVM …read more
How To Make An Electric Scooter Chain Sprocket With Nothing But Hand Tools

16 Comments
By Lewin Day | October 21, 2019

Sometimes, mechanical parts can be supremely expensive, or totally unavailable. In those cases, there’s just one option — make it yourself. It was this very situation in which I found myself. My electric scooter had been ever so slightly bested by a faster competitor, and I needed redemption. A gearing …read more
Open Hardware Month Hack Chat

No comments
By Dan Maloney | October 21, 2019

Join us on Wednesday, October 23 at noon Pacific for the Open Hardware Month Hack Chat with Michael Weinberg!

It seems like everything and everyone has a special day set aside on the calendar. You know the drill – a headline declaring it National Grilled Cheese Day (sorry, you missed

…read more

← Older posts

Hackaday

This Week In Security: A Digital Café Américain, The Linux Bugs That Weren’t, The Great Nation, And More

Worried About Bats In Your Belfry? A Tale Of Two Bat Detectors

Worn Out EMMC Chips Are Crippling Older Teslas

RTFM: ADCs And DACs

Pack Your Bags – Systemd Is Taking You To A New Home

Search

Never miss a hack

If you missed it

DNS-over-HTTPS Is The Wrong Partial Solution

Speakers Taking The Stage At Supercon Plus A Hint Of The Hacking To Come

Worn Out EMMC Chips Are Crippling Older Teslas

Pack Your Bags – Systemd Is Taking You To A New Home

The Final Days Of The Fire Lookouts

Our Columns

How To Make An Electric Scooter Chain Sprocket With Nothing But Hand Tools

Open Hardware Month Hack Chat

Hackaday Links: October 20, 2019

Maker Spirit Alive And Well At The Philly Maker Faire

Hackaday Podcast 040: 3D Printed Everything, Strength V Toughness, Blades Of Fiber, And What Can’t Coffee Do?

This Week In Security: A Digital Café Américain, The Linux Bugs That Weren’t, The Great Nation, And More

Worried About Bats In Your Belfry? A Tale Of Two Bat Detectors

Worn Out EMMC Chips Are Crippling Older Teslas

RTFM: ADCs And DACs

Pack Your Bags – Systemd Is Taking You To A New Home

Search

Never miss a hack

Subscribe

If you missed it

Our Columns