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Here's a chance to learn a little bit about network security. This article walks us through some of the core concepts of network manipulation and packet sniffing using Linux tools. [Joey Bernard] discusses the uses for packages like tcpdump, p0f, and dsniff. They are capable of recording all network traffic coming through your computer's connection, seeking out machines installed on the … [Read more...]
[Bogdan's] latest project is a box that displays web hits for a chosen site. He calls it the Ego Box because depending on how traffic goes it either bloats or crushes your ego. This provides similar functionality as our Troll Sniffing Rat but the biggest difference is that this is a stand-alone Ethernet device. That's thanks to the ENC28J60 Ethernet controller chip which manages the stack and has … [Read more...]
Here's a story of an ocularist who makes prosthetic eyes from glass. Obviously here's a necessary and important service, but we find it surprising that this seems something of a dying art. [Mr. Haas] lives in the UK but notes that most glass eye makers have been German, and tend to pass the trade down to their children. With that father-to-son daughter transfer of knowledge becoming less common … [Read more...]
Sometimes it helps to have an entire set of tools with you to tackle a problem, and sometimes it helps to take the discreet route. [StenoPlasma] took the latter of these approaches, and stuffed a USB hub, a 16 GB flash drive, and an Atheros based USB wireless adapter into a regular looking USB mouse to make a Linux bootable system in a mouse. Because he chose the Atheros adapter, he is also … [Read more...]
Hackaday forum user [arfink] has shown us a brilliant practical joke he built. This is a magic 8 ball that will blind you with a flash when you flip it over. Have you ever been in a room with one of these and not flipped it over? Neither have we. Using a basic flash circuit ripped from a disposable camera in conjunction with a mercury switch, this project took him about 2 hours to make. … [Read more...]
Yep, these cereal boxes light up. They're using a new branded-technology called eCoupling that provides electricity via induction, which means the shelves have a coil with AC power running through it. The "printed coils" on the boxes allow inventory control and data exchange presumably thanks to a low-power microcontroller. But in the video after the break you can see that the printed lighting on … [Read more...]
We know way too little about this subject but hopefully [Bob4analog] helped us learn a little bit more this time around. He's building his own linear amplifiers on what looks like sheets of MDF. This is an evolving design and the two videos after the break show two different iterations. He's salvaged several components, like transformers from microwaves, as well as built his own components like … [Read more...]
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