SWR + Power meter with TFT screen Version III
The PASTA-Meter Version III of the power and SWR meter. This time with nextion TFT screen. Because of TFT screen it looks nice and for […]
Arduino
Arduino Sequencer Version II
The old sequencer has been build by a large number of people. This went well with no problems, were heard about this design. It is […]
INA226 current / voltage / power meter, using Arduino Nano
Having tried several Chinese building blocks in my power supply. I decided to use the “new” INA226 from TI. There are breakout boards available from […]
Arduino sequencer
Arduino sequencer To work together with the Arduino Power SWR meter we made a simple sequencer with the Arduino nano. It is highly flexible and […]
Turns Counter for vacuum capacitor or roller inductor
Introduction For my new to build HF PA I was looking for 3 turns counters for vacuum capacitor and / or a roller inductor. These […]
SWR Power meter with protection for Solid State PA
SWR Power meter with protection for Solid State PA Version II Old article below this one Some people who built the power meter came with […]
FET switch with PTT and alarm inputs
A FET switch to work together with the Arduino PWR / SWR meter and controllable by the PTT is published here. The FET is a […]
Arduino Dewpoint Calculator with LCD
To put my 23cm amplifier remote at the base of the tower I needed some kind of heating to prevent condensation. A dewpoint calculation was […]
ON4CDU, GPS frequency standard & much more
On his webpage Hans published his GPS receiver already a long time ago. It can be found HERE As an extra Hans put in the […]
Arduino temperature meter for solid state PA
For my 23cm PA consisting of 4 PA’s I needed a temperature meter with protection in case the amplifier gets hot. The system is build […]