This article documents the build of a TNC-X, a basic KISS only TNC using modern components, including option of an on board USB interface.
Above, the PCB after assembly and cleaning. Continue reading TNC-X build
Category: Uncategorized
A quadcopter tuning story – symmetry is important
I built a X450 quadcopter (X450-02 quadcopter (21/05/2014 build) which proved to be difficult to tune, principally the Level control loop, though there were issues with Roll and Pitch. Continue reading A quadcopter tuning story – symmetry is important
Definition: Current Balun, Voltage Balun
Readers of (How) does this balun work? have asked about the meaning of the terms Current Balun and Voltage Balun. The following is a cut and paste from my old site.
Definition: Current Balun, Voltage Balun
The terms Current Balun and Voltage Balun are often used. This article explains the key characteristics that determine which best describes a particular balun. The approach taken is to charaterise a balun because of how it behaves externally rather than the internal implementation. Continue reading Definition: Current Balun, Voltage Balun
Antennas and Q
This article discusses the concept of circuit Q, its application for antennas and assessment of antenna Q. Continue reading Antennas and Q
VK1OD Roger Beep project documentation
With the forced end of the VK1OD.net website, some builders of the Roger Beep kit may be without documentation.