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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

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

I had once replied to this topic on this very site, but unfortunately can't locate . regards sarma ?vu3zmv > >

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

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>

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

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

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

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:

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

OK now. I had to do an UPDATE on the Etherkit Si5351A 2.0.1 library. Thanks. _._

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

https://github.com/etherkit/Si5351Arduino/releases/tag/v2.0.1) ( https://github.com/etherkit/Si5351Arduino/releases/tag/v2.0.1) )

Etherkit 2.01

try the attached

Oops! You're correct it should be NPN. I'll correct it immediately! Thanks for flagging this! 73 Allard PE1NWL

Michael OZ9AEW What Si5351A library should I be using? *Build options changed, rebuilding allIn file included

See this old post: ??/g/BITX20/message/23973 ( /g/BITX20/message/23973 )

Notice that in your description you mention using a PNP transistor for PTT, but in the diagram it is an NPN (2N3904 is NPN). This could cause confusion to some.

skecth is now placed at?https://github.com/oz9aew/Bitx40-Raduino ( https://github.com/oz9aew/Bitx40-Raduino ) if you find any error please let me know Regards Michael OZ9AEW