Jul 31, 2021 | Uncategorized
Scope of document Building an automatic antenna controller for two screwdriver antennae, mounted semi-colinear with facing mount points. Identification of required concepts, description and design of hardware and software components. Required functions/features...
Jul 30, 2021 | Uncategorized
Application Switching a relay when a DC current flows through a wire, independent of the amount of current. Motivation This is triggered by a fellow ham who tried to switch driving lights without intrusive modifications in a modern car. I do not know what his current...
Jul 24, 2021 | Arduino Projects
I am building an antenna tuner for a dipole made from screwdriver antennae based on an Arduino Mega. The requirement is to monitor the frequency of the connected radio and automatically recall position and matching information, and start the fine tuning process if...
