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a better one

here is the ver3 sch in PDF ?you can blow it up tio a maximum level. ?Hope it serves the need. regards sarma ?vu3zmv

Hi, Ordered 16th December and arrived in Germany just 24 hours after shipping and now at last Red Letter Day, it took the Customs in Leipzig 2 weeks but finally cleared customs and I have my

Hello, Kevin. Try zooming your browser while looking at the hfsignals BITX40 Circuit Description page.? At 150% it's quite legible.? You can also right click on the schematic, save the images, and

Bob, Same as B40. I have used the standard pot so that I can use the 1/4" shaft knobs. Almost any audio taper pot from 5k-50K(A) should work. You could repurpose from some speaker amp or defunct

What is the shaft size on the provided audio pot in the uBITx?? It was 0.16 in the BITx40 but pictures of the uBITx parts make me think it might be different in the the uBITx.? I'm trying to get all

having trouble with email. this is a test.

Kevin Right click on the image and "open in new window" Mike -- Mike Woods mhwoods@...

Hello all, Replaced D7, then found fuse blown. Replaced fuse, applied power, and raduino display lights up.? Rotating the tune pot changes frequency.? Only problem that is evident now is an

Nik I also tried to erase it first. I wish your project a success. Ian KD8CEC 2018-02-14 12:21 GMT+09:00 Nik VK4PLN <nickpullen@...>:

Hello Raj and all, Thanks Raj, I did indeed find that D7 was blown.? I unsoldered it from the board and tacked a 1N4148 in its place, paying due heed to the polarity of the diode. I had taken the

Hi again. I think also the hardware hack version can save space by moving the keyers to dedicated digital pins freed up from the LCD to I2C mod. we can then remove all the analog input calibration

Hi Ian, Yes, I did run out of space. I removed some code for the default HAM BANDS and that allowed me to include the extra for the I2C lCD and TPA2016... We need to test the hardware hack for the

Nik https://github.com/phdlee/ubitx Wait. I'll merge it to 1.02. Download it for 5 minutes. I have coded too much, so I do not have enough space. Please speak if you need more space for the program.

After checking the voltage on Qx inputs, I discovered that the radio is in transmit mode.? It went to receive with sound when I pull the PTT connector wires.? The mic/ptt is wired wrong.? Time to

Ashar, the link to the zip file containing the BITX40 circuit diagrams on the HFSignals site is broken.? The link points to the old HFSigs site so clicking on it results in file not found error.?

I found it... thanks.

HI Ian, Can we get the source for the latest version please? I need it to implement my TPA2016 and I2C display.... THanks,. 73 VK4PLN

Thanks to Raj for his useful advice. I have just pulled the raduino out of my BITX40 and plugged it into the USB port on my PC and voila! everything lights up the way it should so neither the raduino

Joel I am very grateful for you to continue to use it since the initial version. Philip's answer is right. http://www.hamskey.com/2018/02/cat-support-ubitx-firmware-cec-version.html Please check the