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K3NG Winkeyer

Details
Last Updated: 20 December 2022
Hits: 216
 1670913060107

KISS (Keep It Simply Stupid) principle for the realization and parameter setting of this Winkey CW keyer using an Arduino Nano and the Keyer software by K3NG.
The use of a solder test board allows to make a quick assembly.
This Winkeyer is intended to work with logbooks and/or contest management software.

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Fan speed controller board setting

Details
Last Updated: 08 October 2022
Hits: 4739

For one of my projects, I recently bought on Aliexpress (see links at end of article) a Chinese fan speed controller board.
I was struggling to understand how this board can be set, the instructions found on Aliexpress being nearly of no help. The Chinese to English translation is....   :-)
Here is what I found ...
fan speed pcb

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RDZ_TTGO radiosonde receiver use

Details
Last Updated: 31 July 2022
Hits: 1795
 20220309 154631

After having build a radiosonde receiver using the DL9RDZ software and a TTGO module, here is a short article on its use in the field.
Some configurations and explanations.
Refer to the previous Installation Installation rdz_ttgo_sonde.


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Power/SWR meter à la PD0LEW

Details
Last Updated: 26 June 2022
Hits: 2267
PWR METER Wishing to replace my good old trusty BIRD 43 Watt-meter, I prospected a little on the Internet and found the description of an open source project for a Watt-meter which corresponded perfectly to my needs.
This is a fork of the version made by TF3LJ, and developed by PD0LEW. A new hardware version was subsequently developed by WA2T. I chose the version with an OLED display, but there are versions with touch-sensitive TFT displays.



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TYT UV-88

Details
Last Updated: 21 June 2022
Hits: 3070
uv88 Some notes on the TYT UV88.
Frequency unlocking & more.. 

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