Author Archives: the machinegeek

At HOPE, EFF releases code for Open Wireless router

in News, security by the machinegeek | 0 comments

At last weekend’s HOPE Conference in New York City, the EFF released the code for their experimental hacker alpha wireless router software specifically designed to support secure, shareable Open Wireless networks. We are offering this hacker alpha release to engage … Read more

Hand powered USB charger from hacked IKEA flashlight

Werner sends this handy hack he found at IKEAHackers. Giovanni Gentile devised this simple hack which mods an IKEA Ljusa hand powered flashlight into a USB charger. “The procedure was simple, it was enough to eliminate some resistors and use … Read more

Interfacing the STM32VLDISCOVERY with Semtech’s SX1272RF1BAS module

Milen Pavlov with Netblocks wrote this post on connecting a STM32VLDISCOVERY with Semtech’s SX1272RF1BAS module (LoRa sx1272 transceiver.) This module incorporates the LoRa spread spectrum modem which is advertised as achieving significantly longer range than existing systems based on FSK … Read more

Garage door signal hacking using RTL-SDR and TI Chronos watch

in hacks, RF, SDR, wireless by the machinegeek | 0 comments

Students Ido Livneh and Gil Freidlin from Tel Aviv University have been experimenting with garage door opener signals using the TI Chronos watch and RTL-SDR dongle. Their technique involves using the SDR along with HDSDR software to acquire and record … Read more

NSA XKeyscore tool targets Linux users

Apparently the US NSA believes that users of Linux in general, and readers of online ezine Linux Journal in particluar are extremists. According to this article on the NDR.de Panorama blog, internet users whose searches contained terms related to the … Read more

Linux security tip: moving your /boot partition to removable media

Today threats to your data can come from many quadrants. It’s not enough to protect against malicious online attacks; there’s the very real threat of government confiscating and examining the electronic devices carried by international travelers, and even planting spyware. … Read more

Analysing 433 Mhz transmitters with RTL-SDR

Yashin has posted this tutorial at ArcanumX demonstrating how to read and decode 433 MHz digital data transmissions. “I intend to demonstrate how the RTL-SDR can be used to sniff 433 Mhz transmitters. These are pretty cheap and can be … Read more

Hack adds Bluetooth control to old iPod using Android and Arduino

The crew at Erroneous Data presents this tutorial detailing how to wirelessly control an old iPod music player with you Android device. Using only an Arduino, an HC-05 Bluetooth module and a few resistors they show how to build your … Read more

Build an Arduino based sonic pest repeller

Just in time for Summer, here’s a design for a sonic pest repeller. Carla Schroder developed this project which uses an Arduino Uno along with the WAVE shield and a Maxbotix ultrasonic rangefinder. This simple yet reportedly effective design senses … Read more