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Try this site: https://ubitx.net/2018/07/16/nextion-3-2-and-3-5-display-firmware/ 73 Evan AC9TU

Well, two things - my screen is a 3.2" and not a 2.8" measure.? I've been using the correctly labeled .tft files for this at home; I just made a typo here in this forum is all. Now that you know I'm

See below: Jack, W8TEE

Having some trouble with my bitx40 output lately. Using a QRP Guys dummy load, I'm measuring only 3V peak on the output (which translates to 90mW). I went back through the bitx setup instructions and

The 2x3 connector specified is an IDC connector not a plain pin header. Your suggested method can work but will not be as clean or easy to connect and disconnect as using IDC connectors as Jack is

The transformer is just a minature interstage isolation transformer. 600:600. They are all over ebay. The 2x3 connector you can make by breaking off parts of a 1x40 easily.

Hi all,? I've collecting parts for the upcoming JackAl PCB.?Jack's BOM lists what we need but not where to find the parts. ?I've located most parts. However, I'm having a devil of time finding two

hi bill, this is not meant to be a sob story but Ive a friend who is disabled and confined to a wheelchair and if your bitx is still for sale would you be willing to post to the uk.? then i

Here is a 3D printable? .stl file that adapts the audio poteniometer? small shaft to a regular 1/4"

For the price of some electret mic I would try a different one. There are differences. Not always based on price. I generally have to get the mic close to get much out of them. Think of how close you

There's a lot more going on here than just replacing R13 with a 1n4007. We need to send a current through the 1n4007 from a control circuit, the more current through the 1n4007 the lower its

RE: Allison recommends using a 1n4007 as a pin diode to set the gain in one (or both) of the bidi IF amps, many of us have a 1n4007 in the junk box: /g/BITX20/message/45984 Jerry,

Hi Bret, I got a result, not perfect but It will do for what I want. I adjusted up RV1, a 100ohm trim pot which is before the final chain. It didn't solve the problem of why the difference between

Chuck, Check to see if you have the heat sinks on the finals touching the case. That will blow them. 73 Mike KF6KXG

How big are the spurs at 12Mhz? Transmitting on 20m I could barely see that on my Softrock receiver (which grounds on TX) and a lot less than the fundamental, seems, I would say at least - 50db. The

Thanks will check.? I was thinking about that before and I tried a random cap I had around but didn't seem to make a difference maybe have to try a different one.

Chuck,? there are cases where people have wanted a new Raduino and hfsignals has allegedly sold one of those , independently of other hardware (via an email enquiry to the gmail.com? letterbox ).?

Thanks to all who responded, I was checking solder points with a meter... voltage ect and it blinked and blew a fuse( 2A)? ? ?now i get no hiss out of the speaker.... after replacing the

Basis of? above? rabbit out of the hat statement Drive power? in this case 25 mW =? 10 Wout? x Alog? ( - 26/10)

Reviewing this tale of woe, I find no mention of initial bias. It's a common failing that people will 'zero' the pots before power-on, and *before* RTFM! Reading that fine manual will reveal the bias