According to AMSAT-UK, “a new paper has been released by Dr David Morgan 2W0CXV on using the RTL2841 DVB TV Dongle as a SDR processor with SpectrumLab. The paper ‘Techniques for using the RTL Dongle for Detecting Meteors’ covers the … Read more
Category Archives: techniques
Ever wonder what data is being sent out by your Android device? Here’s a post from LinuxJournal outlining how to monitor your device’s WiFi traffic. The technique involves setting up a man-in-the-middle Wireless Access Point (WAP) on your Ubuntu Linux … Read more
Martin Kumm writes: This page provides documents about a cheap SMD solder station built as an Arduino shield (Arduino UNO). It supports active soldering tips from Weller (RT series) which contain the heating element as well as a sensor and … Read more
Courtney Lancaster gave this talk at Shmoocon 2014 outlining the types of information available from vehicle infotainment systems “This talk will take an in-depth look at infotainment technologies and how to forensically acquire the data associated with the functionalities that … Read more
boldport has written an article describing a technique he’s used for removing the header cleanly: Know that sinking feeling after realising that you’ve soldered that 40-pin header on the wrong side of the board? I’ve come up with a technique that … Read more
Petros Koutoupis at Linux Journal posted detailed information regarding hard drive caching techniques. Users of traditional hard drives who’ve been considering a switch to a solid state drive (SSD) should find this particularly interesting. Petros describes, Even today, the consumer … Read more
At last year’s Blackhat Europe con, Philip A. Polstra, Sr. from the University of Dubuque gave a presentation detailing how to protect your USB security drive toolkit from auto erasure by the target machine. He describes the design of an … Read more
In this presentation from the iSEC Open Security Forum, September 12, 2013 in Palo Alto, CA, Balint Seeber, Applications Engineer and SDR Evangelist / Ettus Research, provides an introduction on how to analyze and hack RF communications systems using open … Read more
Travis Goodspeed has been experimenting with remote satellite tracking over the internet. His setup uses a satellite dish originally used with a mobile earth station on maritime vessels. Movement of the dish is accomplished with servos and an EiBotBoard” wired … Read more
Vinod has been experimenting with mounting an SD/MMC card connected to the parallel port of his Linux desktop machine. He recounts, “For the last few days I was engaged on a mad project; I was trying to access as SD … Read more
Ryan Fanelli and David Hartino, students in Cornell University’s Electrical and Computer Engineering program, have written a detailed explanation of their ATmega 644 based VGA adapter. The pair developed this “homemade video card” as their final project in the program, … Read more
Andre shares this short article on how to make homebrew solder paste stencils from 0.1mm brass plates. Via the contact form.
Paulo shared an Excel-based transistor amplifier calculator. ‘Besides the basic gain and biasing calculations many others implement, this calculator can also estimate noise which is a bit more involved': ..Because this is a circuit I use frequently, I decided to … Read more
Tips & tricks to sort and rework surface mount devices (SMD): I’m a member of the Superstition Amateur Radio Club (SARC) and each month we have a presentation on a ham radio related subject. I volunteered to record and upload … Read more
Joe Desbonnet writes in with two tips he learned when using the DP QFP breakout board. Via the contact form.
We’ve heard it numerous times: avoid using right angle bends in PCB routing. Here’s an article from EDN magazine explaining why it’s not as bad as most people think. The article explains that the “bad” effects like increased capacitance and … Read more
Andrew Tergis presents an interesting method of reflowing SMD components using a preheating plate and tinfoil (to catch infrared energy). He also uses a Fluke temperature probe attached to the PCB to more accurately monitor temperature. This gives newcomers to … Read more
Jeri Ellsworth has posted this video detailing her process for prototyping a resistive multi-touch pad. The process is presented in detail for maximum benefit to those unfamilar with the components of these devices.
O’Reilly is offering a free webcast relating vintage video gaming techniques to today’s web-based games. “Back in the day, game developers were in a similar position to where web-based game developers using HTML5 Canvas are today; Graphics rendering methods were … Read more
Squonk informs us of some interesting papers (PDFs) on noise suppression techniques and EMI suppression filters available from muRata. The same page also contains some information on the EMI regulations in different countries. Via the contact form.