We’re approachable Open-Source Hackers,
and we want to help.
Subscribe to learn about: Arduinos, RPis, bare metal µCs, circuit design, hacking, and more.
Null Hardware's Latest Blog Posts
When last we spoke I had started chipping away at the binary exploitation problems in picoCTF 2018. Two years later: I’m now an ‘Elite Hacker’ on HTB and placed in the Top-10 overall in picoCTF 2022. Here’s how I did it. Read More.
I’ve spent the last couple of months of the pandemic lockdown hacking my way through the PicoCTF 2018 capture the flag challenges - and I’m sharing what I’ve learned. Every single Binary Exploitation challenge has been cracked, including the ones requiring heap exploits. Can you figure out how I did it? TLDR: Jump straight to our PicoCTF 2018 BinExp Guide. Read More.
Here is a simple fixed-point approximation to sin (and cos) appropriate for embedded systems without dedicated floating-point hardware. It is accurate to within ±1/4096 (0.01% Full-Scale). No lookup-table is required, and portable C code is available. Read More.