45W SSB AM Linear CW FM Power Amplifier HF

HF Amp kit bought on eBay...another one

10W Radio CW Transmitter 7.023MHz QRP Station Kits + RF 5M-9Mhz Power Amplifier

HF Amp kit bought on eBay

Fishing Tips and Tricks

A collection of miscellaneous information on fishing

Digipeating APRS packets via the ISS using a Kenwood TH-D72a HT Radio

Send APRS packets without the use of software, through the International Space Station

The Kenwood TH-D72a HT is a versatile hand held ham radio, with its built in TNC, allows you to play with APRS locally as well as through space.

Windows Network Switch Port Blinker

Windows laptop running a batch file to identify remote network switch ports

Using a Windows laptop, and a simple batch file written with notepad, I was able to map out many network drops.

Raspberry Pi and a Behringer x32 Mixer controls an OnAir Sign

Polling channel status on the mixer over the local network to turn on / off sign

I was working on a side project for a small TV studio and they needed a way to automate their on-air sign, Pi to the rescue....

FreeSWITCH 1.7 Installed on Raspberry Pi 2

Installing, Compiling and running FreeSWITCH on the Pi 2

The long and awaited for... FreeSWITCH 1.7 running on a Raspberry Pi 2 guide.

Nokia 5110 LCD Backlight that requires ground

Use GPIO on Raspberry Pi to turn it on and off

Many times the Nokia 5110 LCD backlight is turned on with 3.3V (a current source), but many of the low cost LCDs from eBay are wired as common anode, meaning you need to apply a Ground (a current sink) in order to light the backlight.

Public Open DNS Servers

and how to test them

Clocks and Clock Kits

Wood, Electronic, and other intersting clock related kits