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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

Awaiting my new toy, but wondering what, if any, impact the new tariffs announced by the US will have on shipments to the US. AC9KQ

All, I have been working on a summary document for my own reference. My radio has not shipped yet so I get to read with a little bit of envy! I have a hard time digging through all the forum entries so my google doc is born. As things settle out I will also add more info to the Wiki here. 73 KE9A Zbitx Quickstart

https://ae5x.blogspot.com/2025/04/timing-issues-remain-with-latest.html 73, John AE5X

Hello All, I wanted a dimpled knob for the front of my zBitx, so I turned to Thingiverse to find a suitable knob and adjust the size to what I wanted and 3D printed my own in black PLA. The knob I've remixed is 10mm tall and 30mm in diameter, and will sit low to the front panel of the radio if you [very carefully] trim the length of the rotary encoder shaft. Please be careful to not bend the shaft of the encoder as you are doing this. I've shared the files and full trimming instructions here https://www.thingiverse.com/thing:6998700 73 de VE6LK

Just for the sake of argument, let's say I do something stupid and my zbitx will no longer boot. But I have done a SD card copy to an external usb with new UUID. How do I boot from the USB so that I can copy the system back to the internal SD card thereby restoring my zbitx and making it bootable again? Leo, AI5II

Wondering when it would be possible to order a z bitx ? Thanks

Just curious. If after running ./update, if I run sudo apt update/upgrade will the zbit be bricked? I'd be interested in compiling hamlib 4.5.4 and wsjt-z on the zbitx. I do have wsjt-z running on my laptop using a raspian image but need to install all the dependencies to fo the compile on the sbitx. Leo, AI5II

The documentation should be here in the next 12 hours. But here is how you upgrade the firmware: 1. Go to https://www.hfsignals.com/index.php/zbitx/ 2. Download the uf2 file to your computer. 3. Unplug the zbitx power. 4. Keeping the knob button pressed, attach the supplied USB cable between the PC and the CAT USB port on the zbitx. 5. Remember, you have to attach to the CAT USB port, not the other. 6. Now, let go of the knob pressed. The zbitx front panel will light up with an all grey screen. The Pico controller will show up as a drive on your PC. 7. Copy the .uf2 file from the PC to the Pico controller. 8. You are done, remove the USB cable. Start up the zbitx. 9. The latest firmware should show up on the front panel.

Hello Ashhar I've received my zBITX this morning and have been listening on the bands in different modes. So far all seems to work as expected and it is fun to use this little rig. But I'm lost by trying to send CW with the built in keyer. I'm not used to Lambic A after using Lambic B for 40+ years. When set to Lambic B you get a straight key. Is Lambic B not yet implemented or have I set something wrong? If not, will this be included in a firmware update? Taking an additional external electronic with Lambic B keying half the size of the zBITX for portable use was not my plan... Many thanks for this otherwise nice rig and for any info 73, Gerald - HB9CEY

I got my zBitX this evening. Got it on my wifi to sync the time. I can see ft8 decodes. If I TX the sound comes out of the speaker instead of going to the radio. Zero output on a watt meter so no RF at all. I suspect the sbitx has the wrong input device configured, but I don't see a way to change it. Additionally, the insert that came with the radio has a url and a QR code instructing me to download the manual, but there is no manual at that url. Thanks, --ben