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John, thank you for that extremely well documented information. Makes me much more interested in considering this. I wonder if the efficiency indicates that the circuit design could be improved?

I have done a strait replacement of the IRF510s with RD16HHF1s.? ? Here are the before and after values I got. ? All tests done with uBitx VR1 drive level in the same position of approx 60% of

Thanks for that, I thought it might be something as simple as that cheers and 73 WRS VE7CWS

A little change of contrast potentometer ( JUST 5 DEGREES ON EITHER SIDE OF PRESENT ) would also help orientation. Please on't turn too much. Regards MVS Sarma tchrme@...>

OK could also use longer header pins on the LCD if socketting the NANO.

HI Glen, That decision is up to the builder... If socketing I imagine I2C LCD is going to be needed and/or remote mounting the LCD. 73

sorry, this was meant for Nic not Ian.

Ian, did you plan to have the NANO board as a plug in rather than solder in??? If so I think you might have height issues once the LCD is fitted. glenn

The one supplied has a 4 mm shaft while the encoder has a 6 mm shaft. I found Mentor Knobs that had the same style for both shaft sizes. See my photos posted or my QRZ page. I ordered from Farnell

Hi Simon, Yes, that is the part for mounting the Power Poles. Available from Mouser Australia As are the Hammond cases. https://au.mouser.com/anderson-power-products/ Dave WI6R

I found this on a previous thread. Get the 5V version, they say. Should work fine, they

Check out: http://www.yourduino.com/sunshop/index.php?l=product_list&c=41 Terry King runs the shop and is great to work with and knows his stuff (EE type). Check out his software tutorials, too...they

I had the same problem with my Bitx40. You just need to adjust the display contrast that’s the variable resistor on the back of the display board.

Good evening. I have my uBitx mounted in a cabinet that working well with 12w on 75m and 9 on 40m. The only problem is I went to put it on a shelf on my operating desk and the viewing angle made the

Wonderful, congrats Dave, Wednesday, February 14, 2018, you wrote: DR> Everyone. DR> Last night my uBITX took ti's first breath of life. Even worked a couple of DR> QSOs. Attached are some pictures.

What are the error messages you're getting? Jack, W8TEE To: [email protected] Sent: Wednesday, February 14, 2018 8:15 PM Subject: Re: [BITX20] error on verify raduino ino Jack, ?I assume he

Lots of good info on his blog site that should be the first place you should look: http://www.hamskey.com/2018/02/cat-support-ubitx-firmware-cec-version.html?m=1 It’s like comparing a moped to a

Okay. That wasn’t the method then. Not even sure that’s even an option I was foggy on the details but you create a file called ssh and put it in the boot folder on Sd card. When it finds the file

Just an update, I have incorporated the optional PTT POP fix on the board too as per: /g/BITX20/wiki/UBitx-PTT-POP-Fix ( /g/BITX20/wiki/UBitx-PTT-POP-Fix ) And an

I’m such a nubee I am still waiting on shipment of my uBitx. But what is the difference between the KD8CEC firmware when compared to the stock firmware that comes with the uBitx? 73-Gary