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Hi Gordon, That's my thinking also.? If I can get a GPIO Interrupt on key-down working, having that enable Tx Mode would be my first step.? Have not though it out beyond that - I'm just taking it

Was it right at 4 weeks?? I ordered on the 11th.? So I guess I'm about 5-7 days from shipping. Nelson AE5NL

Bioenno has 9v batteries if you want to trust a Lipo pack.

You guys might try putting a big electrolytic capacitor across the output of that switching power supply. Like two or 3000 ?F. Gordon kx4z

I listened to my own FT8 signal. Unfortunately, it wasn't clear. Yvon AE7YD via groups.io <Yvon@...> ezt írta (id?pont: 2025. máj. 4., V 19:56):

I did not noticed it on mine but maybe I didn't test it right. How did you check it? On the reset able fuse, I tested it yesterday night and discovered that it takes over 10A and too many seconds to

I don't believe any capacity beyond 4000mAh. Or maybe somebody can explain why I pay $15 for a single 3600mAh cell but $3.95 for two 15.000mAh cells including a charger at Ali's. Simple check: check

Link 18650 lipo 9900mA. https://www.aliexpress.com/w/wholesale-18650-9900mA.html?spm=a2g0o.home.search.0 Most, be careful to handel and use. 73 Matjaz S56ZVD Robert Fairbairn via groups.io je 3. 05.

After working with Unix/Linux systems for a lifetime, i know that bad stuff will happen if you just disconnect the power on a regular basis. I still feel a twitch in my fingers if I don’t run sync;

HI Yvon AE7YD. I bought this too. Unfortunately, the FT8 mode contains 50Hz noise. The power supply needs to be modified. I am working on the modification now. HA8LKT Laci Yvon AE7YD via groups.io

sorry, I missed the end of the link: https://www.amazon.com/dp/B08C7DTMRL?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

If it is anything like the sBitx, a separate correction to the tx/rx switchover code is required.? ?I havent' studied the zbix code.? Glad that you found that it worked! Solutions are showing up

Mike, Ron, I tried this change that Mike had suggested, where Ron suggested making it.? ?Thank you both for your thinking and suggestions.? ?It worked.? I found that my sweet spot with my

I bought this linear adjustable bench supply 7 years ago and it has served me well. I addition to the zBitx many QRP LABS rigs run on 9 volts or 12.0 volts (Not 13.8), so it gets used a lot. The

after poor results (noise) with my lab power supply I bought this on: https://www.amazon.com/dp/B083GG2H6R?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1 at Amazon and it works great with no noticeable noise

Gwen, Does the PD charger directly power the zBitx without any other voltage regulation and filtering?? Also, what do you mean when you say plug the cable into the charger first?? ?I see many, many

Awesome.? Do you know/remember your order number?

I have several of these iin use for my qrp equipment. When switching between battery or ps I do not detect any change in noise level It has current overload protection. Fully adjustable voltage and

They're shipping.? I just got an email that mine is on its way.

Hi Gwen, Raj, Brandon, Thank you all for the replies.? This is good information and should help others also.? I saw the same power supply on Amazon that Brandon is using and I have the components to