Category Archives: Hardware

New Toy: HP 143 Wide-Screen Oscilloscope Mainframe Restoration – [Part 1]

Posted on August 14, 2014 by jwk

At the risk of becoming a test equipment collector, I am picking up a few pieces of vintage test equipment that need some work, but will be very useful pieces of shop gear as well as interesting pieces of history … Continue reading →

Posted in Collections, Electronics, Hardware, Projects, Test Equipment, Toys, Vintage | Tagged , , , , , , , , , , , , , , , , , , , , , | 8 Comments

For Sale: The KN0CK and KF7LZE RTLSDR for HF Rev. 5!

Posted on January 28, 2014 by jwk

I’m happy to announce that Rev 5 of the KN0CK and KF7LZE RTLSDR for HF is now available for sale in its 5th iteration – now featuring Direct Sampling, while still keeping the familiar wide-band pre-amplifier! On account of the … Continue reading →

Posted in Electronics, Gadgets, Hardware, Radio | Tagged , , , , , , , , , , | 1 Comment

Coming Soon: KN0CK and KF7LZE RTLSDR Receiver Rev. 5!

Posted on January 6, 2014 by jwk

Edited 6/10/2014: Now for sale directly at KF7LZE.net! I’m proud to announce that in just a few days, Easy-Kits.com in cooperation with KN0CK will be releasing Rev. 5 of the popular RTLSDR Integrated Upconverter with a brand new design and … Continue reading →

Posted in Electronics, Gadgets, Hardware, Radio | Tagged , , , , , , , , , | 2 Comments

Australian TV Tuner Offers 4 RTLSDR Tuners in One Internal Card

Posted on May 13, 2013 by jwk

Over at RTL-SDR.com is a report of a fascinating development with the DigitalNow Quad DVB-T Receiver, apparently well suited to working as a very powerful multi-SDR solution. I just wanted to let you guys know that the Digital Now Quad … Continue reading →

Posted in DIY, Electronics, Gadgets, Hardware, Radio | Tagged , , , , , , , , , , , , , , | Leave a comment

Kegerator with Arduino-Based Beer Level Indicators

Posted on April 14, 2013 by jwk

Andrew  of Andrew’s Telephony/IT Blog came up with a fascinating project where he built a 3-tap kegerator out of a 7 cu. ft. GE chest freezer, an Arduino, and a variety of flow rate sensors to display exactly how much beer is … Continue reading →

Posted in DIY, Hardware, Projects | Tagged , , , , , | 1 Comment

Bad Capacitors Strike Again

Posted on February 5, 2013 by jwk

I’m working on another Bose 901 Series 1 equalizer. It looks to be the same manufacturing run as the first one I wrote up last July, uses the same components, and those components look like they’ve had the same failure … Continue reading →

Posted in Electronics, Hardware | Tagged , , , , , , , | 9 Comments

Hardware Pong Mod Makes Smaller Paddles

Posted on January 28, 2013 by jwk

While browsing Hack-a-Day, I ran into an awesome hack for the original Pong game. One enterprising hobbyist built his own Pong from scratch following the schematics. It’s a big job but it’s manageable since it’s all discrete logic. I’ve just … Continue reading →

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A neat discovery to add more storage to a laptop.

Posted on November 3, 2012 by jwk

I acquired a few HP ProBook 4415s laptops which had been scrapped, and decided to rebuild them into working machines. I’ve been needing a new personal/media laptop for a bit, and these are capable little machines with an HDMI output … Continue reading →

Posted in Computers, Hardware | Tagged , , , , , , , , , , , , | 1 Comment

Shortwave Radio Reception with the RTL-SDR Dongle

Posted on August 6, 2012 by jwk

Need your own upconverter? Click here! I bought and did a quick setup on my RTLSDR dongle using SDR# a few weeks ago, where I used it to listen to FM radio stations around my area and a few public … Continue reading →

Posted in Electronics, Hardware, Projects, Radio | Tagged , , , , , , , , | 3 Comments

Free Mapping and Tracking for Android [My Tracks]

Posted on May 29, 2012 by jwk

Beautiful weather has finally arrived in the Pacific Northwest and I’ve been taking advantage of it as often as I have time. One thing about living where it’s grey and rainy for so much of the year, it really almost … Continue reading →

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