Tag: Electronics

ElectronicsLeave a comment

‘Tis The Season…. To Play With Gadgets

SysRisk

Merry Christmas All! I got online the other day and took a look at this site to realize how long it has been since I had posted an update. Despite the long silence, Google Analytics is showing some good statistics, so I am scratching my head on that one a bit.On to gadgets!First, bah humbug…. I have used the iPhone faithfully for the past three years and really liked the device until I found that no matter how well you take care; no matter how diligently you handle the device – buying special cases, only putting the device in your … Continue reading ‘Tis The Season…. To Play With Gadgets

Electronics, hackingLeave a comment

Old Ham Radio Movie – A video documentary gives a glimpse of history in ham radio.

SysRisk

This movie appeared on the MAKE page a couple weeks ago and I finally got around to watching all the way through. It’s a good watch and intriguing to see how tinkering is as old as humankind!! Check it out some time. 73 JG1FSZ/NH2GX Continue reading Old Ham Radio Movie – A video documentary gives a glimpse of history in ham radio.

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Helicopter Project – Eye In The Sky

SysRisk

This posting has nothing to do with security, but everything to do with electronics and building devices. If you’re looking for a fun personal project, read on! Helicopter flying skills required.A couple weeks ago, a friend called and said he was driving into Akihabara, Tokyo, and asked if I wanted to join for the ride. Akihabara is known as the ‘electric town’ within the Tokyo metropolis. In Aki (as we call it, short for Akihabara) you can find everything from good deals on normal consumer electronics to PIC micro controllers, components, and anything else, including toy guns, dolls, and English … Continue reading Helicopter Project – Eye In The Sky

Cybersecurity, hackingLeave a comment

Cool Serial Logging Device – Logomatic v2 Serial SD Datalogger

SysRisk

This cool little electronics device from Sparkfun Electronics allows you to log anything you can connect via a serial connection. A friend of mine handed this to me for Christmas, which is a good surprise that fits quite well with all the logging electronics applications that I have been prototyping lately, including some future ideas that I have for enhanced GPS/APRS/Wx logging, hiker emergency communications, and others. Enjoy! Comment – rants, comments, anything except spam. Continue reading Cool Serial Logging Device – Logomatic v2 Serial SD Datalogger

hackingLeave a comment

The WanAway… A work In Progress

SysRisk

Over the past year or so, a friend and I have been mulling over a device that can be used in a variety of ways to deter animals from entering certain perimeter areas – such as keeping a dog from doing his business at the front gate of your house. There are other applications as I have learned that apply to keeping wolves off of ranches, or keeping coyotes away from designated areas. The high level design involves a circuit that produces an ultrasound output at about 20 KHz combined with a circuit that detects motion and size. The motion … Continue reading The WanAway… A work In Progress