NodeMCU expansion solutions provided you with great wireless control of your projects and multiple control pins at low cost. Read more
Author: John VE6EY
Growth Strategies for Increasing Ham Radio Proficiency
Strategies are about how we reach our goals. I find all of these growth strategies are very useful for moving from novice towards proficient or expert. Read more
Build Your Ham Radio Performance Portfolio
Everything is connected. Build your performance portfolio as you explore, engage and excel in various aspects of ham radio. Read more
Reaching Levels of Performance in Ham Radio
Do you understand your levels of performance across areas of interest? Increasing your proficiency requires effort, and picking the areas where you want to be great. Read more
Crimp Coaxial Cable Connectors with Tools
I thought it was time to buy some tools so I could properly crimp coaxial cable connectors. Here’s what I found. Read more
Understanding Our Ham Radio Hobby
Our ham radio hobby can be wide and deep. Offering lots of opportunities for satisfaction and fun. And learning, too. Read more
Test Your Cables Regularly with NanoVNA
You should test your cables regularly. Some may go bad, especially cheap or older ones, with poor connectors or breaks. Read more
Antenna Switch Adventures – Looking Forward
My antenna switch adventures have provided a valuable learning opportunity. Especially to reduce noise in RF circuits under Arduino control. Read more
Sainsmart Relay Antenna Switch Disappointment
Well, it’s time for me to declare my DIY antenna switch disappointment. I can’t get rid of the noise n matter what I do. Read more
Arduino Sleep Modes and RFI
Several folks suggested that I try putting my Arduino to sleep in an effort to reduce RFI with my relay controlled antenna switch. So, here are some experiments with Arduino sleep modes. Read more









