Double Your Analog Oscilloscope Fun with this Retro Beam Splitter

These days, oscilloscope hacking is all about enabling features that the manufacturer baked into the hardware but locked out in the firmware. Those hacks are cool, of course, but back …read more Continue reading Double Your Analog Oscilloscope Fun with this Retro Beam Splitter

Are peripheral issues and systems normally considered in a white box penetration testing scope?

As Wikipedia defines:

White-box testing is a method of software testing that tests internal structures or workings of an application, as opposed to its functionality (i.e. black-box testing).

When the code is a target of its own, this i… Continue reading Are peripheral issues and systems normally considered in a white box penetration testing scope?

Is Social Engineering out of scope unless explicitly requested? [closed]

I’ve seen some sample “What would you like to be pentested?” page (I can’t find or remember the exact source) where Cyber, Physical and Social were asked separately (among other areas like Wifi, Network, WebApp, etc). Let’s a… Continue reading Is Social Engineering out of scope unless explicitly requested? [closed]

Repairing And Upgrading A HP 16533A Scope Card

In the world of oscilloscopes, as in the rest of the test equipment world, there’s always some trickery afoot. Companies will often offer different models to the market at different price points, in an effort to gain the widest possible customer base while also making the most profit. Cheaper, less …read more

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Incredibly Heavy Ornament Likely Inappropriate To Hang On Tree

It’s that time of year again, and the Christmas hacks are flooding in thick and fast. To get into the Christmas spirit,  the FoxGuard team wanted a custom ornament to hang from the tree. They may have gotten more than they bargained for.

It’s a simple build that demonstrates the basic techniques of working with DACs and scopes in a charming holiday fashion. A Tektronix T932A analog oscilloscope is pressed into service as a display, by operating in XY mode. A Teensy 3.5 was then chosen for its onboard digital to analog converters, and used to output signals to draw …read more

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DSO Nano 3 Review: a 20 MHz Pocket ‘Scope For Not A Lot

The oscilloscope is an essential tool of any electronics bench, and it is also an instrument whose capabilities have expanded exponentially over the decades. Your entirely analogue CRT ‘scope of a few decades ago has now been supplanted by a digital device that takes on many of the functions of both an expensive multimeter a frequency counter, and more. At the top end of the market the sky is the limit when it comes to budget, and the lower end stretches down to low-bandwidth devices based upon commodity microcontrollers for near-pocket-money prices.

These super-cheap ‘scopes are usually sold as kits, …read more

Continue reading DSO Nano 3 Review: a 20 MHz Pocket ‘Scope For Not A Lot