K9KJ Radio and Electronics

Friday, June 24, 2022

My Youtube Channel - Dedicated to Morse Code / CW

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Partly because of my Instagram page I get a lot of questions about Morse Code - learning, operating and what to buy. I started a YouTube Ch...
Thursday, January 20, 2022

Yaesu FT-891 Display Issue

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About a month earlier, I purchased a Yaesu FT-891 for my new mobile rig.  The current radio was an FT-100D that was getting old and long in ...
Tuesday, January 4, 2022

A Code Convert

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The following was submitted to the ARRL magazine - QST - for publication in their "Celebrating our Legacy" column. The Morse Code ...
1 comment:
Sunday, May 2, 2021

Indiana QSO Party Portable Operation - 2021

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This year I wanted to try to put in some extra effort into the Indiana QSO party. In prior years I've only done marginal effort, with on...
Wednesday, April 21, 2021

Stone TFT touch display interfacing with the ESP32

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I tried to make a video describing this since it would be a quite lengthy blog post.  Check it out on YouTube here: https://youtu.be/V0ELo9P...
Sunday, March 14, 2021

Garage Parking Helper - ESP32 and Ultrasonic Distance Measuring Device

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Looking through my box of miscellaneous electronics, I noticed that I had one of those Ultrasonic Measuring devices that typically come with...
Sunday, February 28, 2021

Momentary Push Button Soft Latching Relay

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I've been wanting to install my ham radio in my vehicle for a while now, and I started to research options for using a master switch to ...
2 comments:
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Thomas Johnson
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