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Today I successfully tested my HB zBITX with the image shared by HF Signals a few days back. It works well. I tested in without the PICO controller and the display and it worked in the sBITX mode. Sharing a small video I captured today on local 20M band https://youtu.be/mx65_PaeqaE?si=0QycFX5g5r_-6zZ9 de VU2UPX Charudatt

I was asked this question on zBITX: "Are flat top cells compatible with the zBitx battery holder or are button tops required? Got my radio on order and want to get some batteries before it arrives. Appreciate your comments." I know that VU2ESE was using flat top cells as I read it in one of the earlier emails. 73 Jon, VU2JO

I get a little nervous pulling power on a running Linux computer. Probably 9 times out of 10, no issues, but the ONE time....well, a corrupt SD card doesn't sound like fun. The Raspberry Pi Pico running the display can probably deal with things well, my concern is the other CPU. I would feel tons better if there ws a formal shutdown item to click on....any thoughts? Cheers Jim K8JK

Sent from Outlook for Android From: [email protected] <[email protected]> on behalf of John AE5X via groups.io <ae5x@...> Sent: Tuesday, April 1, 2025 3:10:39 PM To: [email protected] <[email protected]> Subject: [BITX20] Does sequence of updates matter? This morning I updated the zBitx to v1.05 then updated the RPi to v3.05. Should I have done these in the opposite order? The radio will not boot up now. "Waiting for the zBitx to start..." Only this, and nothing more.

Just want to report I received my zbitx yesterday. It did have a crack in the side panel and there was something rattling inside. Took it apart the rtc battery was loose. Connected to my bench power supply at 8.5v and it booted fine. External monitor worked fine. Connected to the net time set just fine. I would not recommend this but I opened chromium and downloaded and installed nomachine. I figured it would freeze up due to lack of memory but went ok just a little slow. No machine remote is working fine. Listened to some ssb with it and opened fldigi for some decode went fine. Haven’t done any tx yet. Will test on a dummy load first. Is there a file somewhere for the 3d case? I want to replace the broken side panel and probably change the color. Ryan kk6dzb

the zbitx slt files are now on the github. https://github.com/afarhan/zbitx/blob/main/zBitx_HFSignals_final%20-%20edited.stl - f

This morning I updated the zBitx to v1.05 then updated the RPi to v3.05. Should I have done these in the opposite order? The radio will not boot up now. "Waiting for the zBitx to start..." Only this, and nothing more.

The only thing Which jumped out at me was a highly intermittent power cable between the batteries and the unit which was supplied by HF Signals. Rotate the connector or barely touch the cable and it would recycle power. I replaced it with a new 5.5mm outer barrel and 2.1mm inner barrel cable and it now works fine and is very stable. The new cable has a full 360 degree "tube/barrel" to make GOOD contact with the center pin in the female connector, the original does not....take a look at it. Great Little Radio 73 Kees K5BCQ

My radio does not arrive till Monday! I am interested in some modes that are not installed on the radio. I want to test with DigiPi too. (YES, adding another Pi) What radio does the CAT port respond to? For Hamlib as an example. 73 KE9A

We are close to our capacity now. We need to prep for Dayton as well. The response has been overwhelming and we may have to put brakes yet again. I guess by the end of the day we will stop taking more orders. - f

Some questions on the new batch: 1. Will these have a new version number to distinguish them from the original batch? 2. Are there any HW changes to the boards or circuit components? 3. Are there any changes to the specifications? 4. Will there be any SW differences between them? I'm thinking the answer is "no" to all of the above, but just checking. Hats off to HFSignals for this awesome product! I'm looking forward to the arrival here of the new toy.

Got my "wee beastie" early this afternoon. Unboxed it & everything looks OK. I haven't powered it yet. I have a few questions. I have an official Pi keyboard and mouse. I intend to use this instead of the on-screen keyboard. I have a USB to ethernet adapter. I will be plugging this into a USB port on the keyboard. How do I shut the zBit down properly? Will connecting to the internet this way work for setting the RTC? It's more likely I will send CW with the keyboard than paddles, as I don't have full and totally normal use of my hands. How do I update the zBit's software, and what do I need to update? Ken, N2VIP, made some recent comments about adding a proper shutdown command. Perhaps someone with better programming skills than mine could do something with the article he referred to. There may be various options available to consider. Initially I anticipate that I will operate CW and SSB. Other modes may be used when I get familiar with them. How do I back up the internal memory card? I realize this is a collection of comments and questions, but it's what comes to mind quickly. Gerry

I use these to help dissipate the excess heat. Slap them on back and let them do their job. Also use on Xeigu 6200. https://a.co/d/bpyIFQg

My Zbitx arrived today. I am new to these radios so expect a learning curve. I have only received so far but here are my observations and questions. I installed the batteries and followed the set up in the manual including setting the time using an hdmi screen. I linked the wifi to my phone hoping this would pay dividends when in the field. It first the radio seemed deaf, but playing around with the IF I started to hear signals on 20m and 40m. I found CW reception difficult the radio seemed to make a chugging sound as the decoder tried to work. The back of my radio was warm but was not excessively hot on rx. I tried FT8 decode seemed sluggish to start but once running was fine. When the time needs adjusting must I always connect to an hdmi screen or is connecting to my phone wifi sufficient to update the time? Is the chugging sound in cw mode normal? Will the operating manual be updated further as time progresses. Should I be upgrading software and firmware or are these updates to be considered as beta and optional. How would HF signals prefer feedback to be given as I assume they cannot monitor every post trawling for bugs and questions. Finally I like the radio and form factor. Thinking about a 3d printed sloping stand which when reversed protects screen and knob. Thinking 3d printing battery cover or using stand to hold battery holder. Can audio be directed via Bluetooth to an amplified speaker? Thank you Farhan for this radio 73 Nigel M0NDE

Hello everyone, I understand that the zBitx has Bluetooth onboard the Raspberry Pi. Is there a way I can set up my Bluetooth keyboard with a track mouse to the Raspberry Pi on the zBitx? Any suggestions would be appreciated. Thanks Everyone, Robert, AG6LK