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200 kc/s range
i have ordered a bitx40 but not yet here. i have also ordered a 10 turn pot. in the settings menu it appears that you can set up the range to 200 but how do you set up the base freq = 7.00
By terry hughes · #26556 ·
Re: Raduino v1.10 with CW functionality released
Readme.md seems to be very informative, however I noticed that there is no mention of C91 and C92 removal for better USB sensitivity, right? Did I miss any other hardware change related to v1.10
By Dragan 4O4A · #26555 ·
Re: Shielded /Coax connectors for wiring in BitX40smd
Jerry, Thanks for the ordered list of recommended coax connections. Just what this Dr ordered! You recommended grounding the shield at both ends of each coax link. I’ve seen others recommend only
By Thomas Noel <tnoel@...> · #26554 ·
SMD 20M BITX20
Hello :) Few qustions. This groups started as BITX20 but actualy ?became BITX40. what is wrong with the BITX20? why I cant see any posts concerning the BITX20 hardware? Personaly, 20 Meter band is
By Michael Luft <milu111@...> · #26553 ·
Re: Shielded /Coax connectors for wiring in BitX40smd
I'm getting by without coax, using the wiring harnesses provided, but I did cut them reasonably short. ? On critical signals I twisted the signal wire with the associated ground wire, perhaps 1 or 2
By Jerry Gaffke · #26552 ·
Re: BUYING A SPARE SI5351A BOARD
Best bet: ?hfsigs.com sells the Raduino (the Si5351 board plus the Arduino Nano and 2x16 display and appropriate connectors) for $25. If feeling adventerous, could buy the Nano and display off ebay
By Jerry Gaffke · #26551 ·
Re: uBITX Questions (fake semiconductors)
while buying on ebay ?one need to check item description. ?if you find? unbranded, new, or some such? under? "manufacturer"? be sure that it is fake. Generally IRF510 wont be fake , while we
By MVS Sarma · #26550 ·
Re: Shielded /Coax connectors for wiring in BitX40smd
I had once replied to this topic on this very site, but unfortunately can't locate . regards sarma ?vu3zmv > >
By MVS Sarma · #26549 ·
BUYING A SPARE SI5351A BOARD
Hi Guys, can someone tell me the best place to obtain the SI5351A VFO board that is used in the BITX40 that connects to the Arduino nano. I'd rather play around with the sketch on an outboard unit
By Dale Brooks KG7SSB <kg7ssb@...> · #26548 ·
Re: another modified Raduino
All: Allard has adopted a more-or-less standard practice of providing the URL for any non-standard IDE libraries used in his code. For example, in his code he has: #include <Wire.h>#include <si5351.h>
By Jack Purdum <econjack@...> · #26547 ·
Re: Shielded /Coax connectors for wiring in BitX40smd
It does seem like there could be a lot more in the Wiki page since there's a lot of valuable information sprinkled throughout this group that I suspect most people will never find, mostly because they
By W9ZIM · #26546 ·
Re: BITX40 - wiring power via volume control
You may want to use a ON-OFF-ON DPDT switch in place of the volume control switch. This will allow you to put either 12 volts or your choice of final voltage on the Final. Wired as follows 1 O
By Dr Fred Hambrecht · #26545 ·
Re: BITX40 - wiring power via volume control
Your choice. Many of us prefer to use a toggle switch for DC power, rather than using the switch on the volume control, to avoid unnecessary wear on the potentiometer. Bill, VK7MX
By Bill Maxwell · #26544 ·
Re: Instructions
Craig, Click on the “Wire Up” link at the of the page: http://www.hfsigs.com/ for instructions. 73, Dale K9NN Sent: Saturday, May 13, 2017 6:25 PM To: [email protected] Subject:
By dvhammer_99 · #26543 ·
Instructions
Just got my bitx-40 and the instructions was not with it, bought an assembled one, but it came with Knobs and the little thing not attached, where do I get the instructions to finish it
By Craig_hinshaw@... · #26542 ·
Re: another modified Raduino
OK now. I had to do an UPDATE on the Etherkit Si5351A 2.0.1 library. Thanks. _._
By Arv Evans · #26541 ·
Re: Almost finished, for now...
Yup, that worked. I also put in the function button and got it working. I'm loving this radio now! Still have yet to make a contact but am more comfortable with the radio and happy that my skills
By Brian D. K2BRZ · #26540 ·
Re: another modified Raduino
https://github.com/etherkit/Si5351Arduino/releases/tag/v2.0.1) ( https://github.com/etherkit/Si5351Arduino/releases/tag/v2.0.1) )
By OZ9AEW <madsen1960@...> · #26539 ·
Re: another modified Raduino
Etherkit 2.01
By OZ9AEW <madsen1960@...> · #26538 ·
Re: another modified Raduino
try the attached
By OZ9AEW <madsen1960@...> · #26537 ·