Olimex Teases a Low-Cost Dual-Core RISC-V Dev Board Built Around the Espressif ESP32-P4

Two RISC-V cores running at up to 400MHz, 16MB of SPI flash, and a camera interface with 1080p H.264 encoder — plus on-board Ethernet.

Chip Mystery: The Case Of The Purloined Pin

Let’s face it — electronics are hard. Difficult concepts, tiny parts, inscrutable datasheets, and a hundred other factors make it easy to screw up in new and exciting ways. Sometimes th…

Hands On: Bus Pirate 5

If you’ve been involved with electronics and hardware hacking for awhile, there’s an excellent chance you’ve heard of the Bus Pirate. First introduced on the pages of Hackaday bac…

A Dashboard Outside The Car

One of the biggest upsides of open communications standards such as CAN or SPI is that a whole world of vehicle hacking becomes available, from simple projects like adding sensors or computers to a…

Bypassing Bitlocker With A Logic Analzyer

Security Engineer [Guillaume Quéré] spends the day penetration testing systems for their employer and has pointed out and successfully exploited a rather obvious weakness in the BitLocker full volu…

Three Pitfalls In I2C Everyone Wishes Weren’t There

The best part of I2C is that it is a bus that is available just about anywhere, covering a vast ecosystem of devices that offer it as a hardware-defined interface, while being uncomplicated enough …

Reverse Engineering A Better Night’s Sleep

All you want is a decent night’s sleep, so you decide to invest in one of those fancy adjustable beds. At first, it’s fine — being able to adjust the mattress to your needs on the…

Interlaken Want To Connect All The Chips

One of the problems with designing things on a chip is finding a good way to talk to the outside world. You may not design chips yourself, but you care because you want to connect your circuits &#8…

Low-Cost Display Saved By RP2040

Anyone looking for components for electronics projects, especially robotics, microcontrollers, and IoT devices, has likely heard of Waveshare. They are additionally well-known suppliers of low-cost…

Mice Play In VR

Virtual Reality always seemed like a technology just out of reach, much like nuclear fusion, the flying car, or Linux on the desktop. It seems to be gaining steam in the last five years or so, thou…

It’s Ethernet, From An SPI Interface

Over the years as microcontrollers have become fast enough to do the heavy lifting, we have become used to 10 megabit Ethernet being bit-banged from interfaces it was never meant to emerge from. We…

Nixie Display Module Is Addressable Via SPI

There are plenty of SPI interface screens on the market, but few of them have the charm of the good old Nixie tube. [Tony] decided to whip up a simple three-Nixie module that could be addressed via…

Slap This Big Red Button For An Instant Social Media Detox

Dangerous machines, like ones that can quickly reduce you to a fine red mist or a smoking cinder, tend to have a Big Red Button™ to immediately stop whatever the threat is. Well, if a more dangerou…

Boards For Playful Exploration Of Digital Protocols

Teaching people efficiently isn’t limited to transmitting material from one head to another — it’s also about conveying the principles that got us there. [Mara Bos] shows us a too…

PS2 Memory Card ISO Loader Offers Classic Gaming Bliss

It used to be that to play a console game, you just had to plug in a cartridge or put a CD/DVD in the optical drive. But these days, with modern titles ballooning up to as much as 100 GB, you&#8217…

Linux Arcade Cab Gives Up Its Secrets Too Easily

Sometimes reverse engineering embedded systems can be a right old faff, with you needing to resort to all kinds of tricks such as power glitching in order to poke a tiny hole in the armour, giving …

Did You Know That The Raspberry Pi 4 Has More SPI, I2C, UART Ports?

We’ve gotten used to the GPIO-available functions of Raspberry Pi computers remaining largely the same over the years, which is why it might have flown a little bit under the radar: the Raspb…