The 1337 PNG Hashquine
A hashquine is a fun way to show off your crypto-tricks — It’s a file that contains its own hash. In some file types it’s trivial, you just pick the …read more Continue reading The 1337 PNG Hashquine
Author Archives: Jonathan Bennett
The First Microcomputer: The Q1
Quiz time, what was the first commercially available microcomputer? The Altair 8800? Something obscure like the SCELBI? The Mark-8 kit? According to [The Byte Attic], it was actually the Q1, …read more Continue reading The First Microcomputer: The Q1
Animated LED Arrows Point the Way
Visitors at the Garden D’Lights in Bellevue, Washington had a problem. While touring the holiday lights show, they kept straying off the path. The event organizers tried some simple LED …read more Continue reading Animated LED Arrows Point the Way
This Week in Security: Malwarebytes Goes Nuts, Uber
I got a rude awakening Wednesday morning this week. HaD writers don’t necessarily keep normal hours — don’t judge. A local client called, complaining that Google Maps was blocking on …read more Continue reading This Week in Security: Malwarebytes Goes Nuts, Uber
Simple Internet Radio Transplant
While we have a definite sweet spot in our hearts for analog radio, there are times that just call for a digital upgrade. One of the downsides that can come …read more Continue reading Simple Internet Radio Transplant
3D Printer Upcycles Computer Case To DAS
Storage technologies are a bit of an alphabet soup, with NAS, SAN, and DAS systems being offered. That’s Network Attached Storage, Storage Area Network, and Direct Attached Storage. The DAS …read more Continue reading 3D Printer Upcycles Computer Case To DAS
This Week in Security: 11,000 Gas Stations, TrustZone Hacks Kernel, and Unexpected Fuzzing Finds
Automated Tank Gauges (ATGs) are nifty bits of tech, sitting unseen in just about every gas station. They keep track of fuel levels, temperature, and other bits of information, and …read more Continue reading This Week in Security: 11,000 Gas Stations, TrustZone Hacks Kernel, and Unexpected Fuzzing Finds
ESP32 Adds Bluetooth to an iPod Nano
The iPod Nano was one of Apple’s masterworks, but it’s really tied down by its dependence on wired headphones. At least, that’s what [Tucker Osman] must have thought, as he …read more Continue reading ESP32 Adds Bluetooth to an iPod Nano
Arduino Nano Powers Reverse Polish Notation Calculator
There’s something about Reverse Polish Notation (RPN) and the calculators that use it. It calls to mind a time when a calculator was a serious tool, and not just a …read more Continue reading Arduino Nano Powers Reverse Polish Notation Calculator
Bootstrapping the Old Fashioned Way
The PDP-11, the Altair 8800, and the IMSAI 8080 were some of the heroes of the computer revolution, and they have something in common — front panel switches, and a …read more Continue reading Bootstrapping the Old Fashioned Way