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Date
Re: Variable IF
I'll draw something up, take a picture and post it as soon as I get a chance. I have some other changes, simple ones, that also are worth the effort and I should post them also.
By Tom Cooper · #49076 ·
Re: ND6T AGC implementation for uBIT-X
Just uploaded the latest list of those interested in an AGC and Click Mini-kit as described earlier (in the "Files" section under my call). Since there does not seem to be a demand for the boards
By Kees T · #49075 ·
Re: uBITX40 : power to IRF510
Yes. Spend? a little time at the ubitx.net site. Jack, W8TEE
By Jack Purdum <jjpurdum@...> · #49074 ·
Re: Should we adopt the KD8CEC firmware?
I think it could be done without too much confusion by using preprocessor directives. That way, you don't actually mess with the code; you only change the symbolic constants you wish to affect. For
By Jack Purdum <jjpurdum@...> · #49073 ·
uBITX40 : power to IRF510
I have already built your BITX40 which I am using with great satisfaction. I have just received your "Micro BITX40". I ask you if I can feed the two IRF510s separately with a higher voltage to get a
By Toni Cossio · #49072 ·
Re: boosting the power on 28 MHz #ubitx
Hi Allison The?KSP10BU looks like a twin of the MPSH10.? It is available from DigiKey for $0.19, quantity of 1.
By Larry Cicchinelli <k3pto@...> · #49071 ·
Re: Should we adopt the KD8CEC firmware?
This is where problems will begin to occur. Are you going to add in functionality to modify ubitx_menu.ino on the fly? Or are you going to break up ubitx_menu.ino into a lot of little pieces that can
By Tim Gorman · #49070 ·
Re: uBitx Opto Coupler / VFO not working #ubitx-help #ubitx
We need a bit more information in order to help troubleshoot your uBITX. 1) Which opto-coupler on the schematic drawing are you referring to as being inoperative? Is it the manufacturer provided
By Arv Evans · #49069 ·
Re: CONTEST!!!! New Board Naming Contest #ubitx
Me-O-My-O I/O board. Jack, W8TEE
By Jack Purdum <jjpurdum@...> · #49068 ·
Re: uBitx Opto Coupler / VFO not working #ubitx-help #ubitx
Anyone?
By kj6etl · #49067 ·
Re: BITX QSO Afternoon/Evening, Sunday, May 13, 3PM & 7PM Local Time, 7277 kHz in North America, 7177 kHz elsewhere.
Try again next week?
By docame12@... · #49066 ·
Re: CONTEST!!!! New Board Naming Contest #ubitx
Regarding this contest, I forgot to mention -- you may enter as many times as you like (different name for each entry though).? In case the winning entry is duplicated by another person, the earliest
By Jim Sheldon · #49065 ·
Re: Should we adopt the KD8CEC firmware?
I think it's a great idea to see what we can squeeze out of the existing Raduino with it's Nano by using the KD8CEC code. No changes other than a HEX download for existing uBITX machines (if you keep
By Kees T · #49064 ·
Re: Variable uBitx IF bandwidth question
As I've posted elsewhere, I built a K2 a few years back.? It has a variable bandwidth IF filter that looks kind of similar to the ladder filter in the uBitx.? Each node has a 100k pull-up resistor
By richcarter03052 <re.carter@...> · #49063 ·
Re: Should we adopt the KD8CEC firmware?
This is a good idea and might make it easier to peel off those features not desired. The source already lends itself to this approach. I have not studied it closely enough to know whether specific
By Jack Purdum <jjpurdum@...> · #49062 ·
Re: Should we adopt the KD8CEC firmware?
Allison is right, the SD library is bloated. Perhaps someone can put it on a diet like Jerry did for the Si5351 library. Another point to be made is that, in my experience, it's not the flash memory
By Jack Purdum <jjpurdum@...> · #49061 ·
Re: Should we adopt the KD8CEC firmware?
In fact, to expand on this¡­ I think Ian should consider block defines for sections of the code that people want or don¡¯t want. He has already done this in selecting the type of display (2 line or
By K9HZ · #49060 ·
Re: Should we adopt the KD8CEC firmware?
Having done a SD interface with Arduino I can say the SD library is huge.? The reason is the typical SD is used with the FAT filesystem and it takes a bit of code to navigate that. If one treats the
By ajparent1/kb1gmx · #49059 ·
Re: Should we adopt the KD8CEC firmware?
A quick suggestion: the idea "up the top of EEPROM" should be defined as a specific offset from the EEPROM base. My reasoning is because I expect different ?C's to come into play over time. This
By Jack Purdum <jjpurdum@...> · #49058 ·
a new application of morse code #off_topic
That was amazing, Allard! I will be passing that on to some friends. Thanks for sharing that with us!? N5KNG
By Mark Muller · #49057 ·