HI Everyone. I'm working on a nice little add-on board for the uBitx. It contains: - 200hz CW Filter - Mic Preamp (SMM2167 Module) - VK3YE LED AGC - LPF section (Dual relay per filter) I will try do i

Homebrew sound-card isolator matched to my uBitx today -- ran into unexpected problem: begin transmission and instead of a solid TX, the push-to-talk chattered in and out of TX / RX / TX / RX about 5

Got the radio up and running, I got a higher then 1 amp current draw when giving it the HELLO!!! it's about 1.25 amps should I tweak the bias or let it ride?

I finally sat down to do some more work on my uBitx -- with the external relay daughterboard -- wired with just regular, unshielded wire. I recall that I damaged and lost one section of one of the low

Face the TRUTH! LOOK at Your Signal with an Antuino! Face the TRUTH! LOOK at Your Signal with an Antuino! Radio electronics blog. Homebrew ham radio. SolderSmoke podcast. QRP

After receiving a uBITX a friend shipped me to add some wiring for him and check out why the touch screen function wouldn't work with the BITeensio flopping around inside the case due to rough handlin

Hi all, just need some input to verify my problem suspicions (chinese clone screen) or not . I am not sure how all this works completely so there could well be something else amiss. Below is what I ha

Hi, I'm not an expert on LTSpice, but before I go down that route, is there any LTSpice file for a uBITX. I did look in the messages and files section and came up with bits and pieces of sections. Is

I just finished assembling a uBitx. The display shows "ver 5.1" for the firmware. On first trials It seems to receive and transmit (with a dummy load) about as you'd expect, but when I tried to touch

I have a v4 Raduino for sale. Very lightly used, it has the CEC software loaded on it presently, came with the 4.3 originally. Thief is excess to my needs. $37.50 shipped to CONUS and PayPal fees. --

Greetings all again :), I have my V5 running and installed the Kit Projects AGC. It seems to be working for both fast and slow, and I have the S meter running on the Nextion display. One thing is conf

greetings to group - as someone who knows very little about this cool stuff (but loves projects), i need help to understand how to connect the s-meter voltage output to pin A7 of the raduino. is there

Hello all, we hope your summer is off to a great start. We have restocked more Paddles, AGC's, and a new Dipole kit! We will have more mics very soon as well. 73 -- David N8DAH Kit-Projects.com ( http

Hello, I'm looking at rebuilding the PA section, but before I do I would like to check to see how much power is going into the PA. To be more literal: On transmit, how much power is going through the

Why is the Transmit wattage lower for the current version, especially at higher frequencies? when I look at the specs for Ver4 versus the current specs, It appears to be only 2 watts at 10 meters toda

A short time ago I asked about using the second power supply for the final output amplifier and it was suggested I build a LinAmp, as this would be safer. To this end I have, from the links offered, f

Fun build. Mods include Nextion 4.3, 2.5 MHz high-pass filter for BCI, Kit Projects AGC board, and fidelity mods to the LM386 amp. Uniden CB mic works but gain is a bit light. Need to fix that. CW wor

Does anyone still try to work the Sunday evening Bitx net? I have been on the last few Sundays with nothing heard. I was wondering if it was just the poor band conditions or no one on the frequency. I

I am off to a poor start with my Bitx 40. Several parts missing and have discovered they sent the wrong Raduino (for the ubix?} I have sent complaint but no response. Is this typical ? Maybe I should

Radio is SOLD