We’re not sure how we managed to miss this one, but better late than never, right? This is Trinteract, a 3-DOF input device that’s both open-source and Arduino compatible. There’s even a neat 3D-printed clip to add it to the side of your laptop.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.
Raspberry Pi’s new microcontroller, the RP2350, has a small section of memory that is meant for storing secrets. It’s protected by anti-glitching and other countermeasures, and the Raspberries wanted to test it.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.
For many years after coming up with donut.c, I wondered in the back of my mind if it could be simplified somehow, like maybe there was a way to raytrace a donut with a small chunk of code.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.
Adding threads to your 3D prints is a life-changing feature, but obviously there are a lot of trade-offs and considerations when deciding on how to go about this exactly. Between self-tapping screws, printed threads, heat inserts and a dozen other options it can be tough to decide what to go with.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.
For a lot of us, soldering just seems to come naturally. But if we’re being honest, none of us was born with a soldering iron in our hand — ouch! — and if we’re good at soldering now, it’s only thanks to good habits and long practice.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.
Bluetooth is a good way to connect devices that are near each other. However, it can drain batteries which is one reason Bluetooth Low Energy — BLE — exists. [Drmph] shows how easy it is to deploy BLE to make, in this case, a doorbell.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.
Released in 1993, Intel’s Pentium processor was a marvel of technological progress. Its floating point unit (FPU) was a big improvement over its predecessors that still used the venerable CORDIC algorithm.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.
If you read Japanese, you might have seen the book “Design and Implementation of Microkernels” by [Nu Tian Sheng]. An appendix covers how to write your own operating system for RISC-V in about 1,000 lines of code.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.
At this point, many of us have gone all-in on USB-C. It’s gotten to the point that when you occasionally run across a gadget that doesn’t support being powered USB-C, the whole experience seems somewhat ridiculous.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.
Normally, you have a choice with PCB prototypes: fast or cheap. [Stephen Hawes] has been trying fiber lasers to create PCBs. He’s learned a lot which he shares in the video below. Very good-looking singled-sided boards take just a few minutes.
from Pocket
via Did you enjoy this article? Then read the full version from the author’s website.