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raduino for bitx 20

MVS Sarma
 

Once you have thought of using raduino, i suppose you could use one with nano and si5351. You could derive bfo and vfo also. On the bitx you could stop populating the crystal bfo, but use its buffer to amplify the raduino based .

In simple terms you could use bitx40 raduino changing the parameters to cover the band you need , for the bfo you decide upon.
Regards
Sarma vu3zmv



On Sun, 28 Apr 2019, 9:29 am N7QL <n7ql.us@... wrote:
I am trying to figure out what arduino modules I need to build the raduino. I found this display https://www.ebay.com/itm/2-4-inch-TFT-LCD-Touch-Screen-Display-Panel-Shield-For-Arduino-UNO-R3-MEGA2560/132795546292.  I also found this DDS module. I assume I'd also need the UNO R3 Mega 2560 module also. Would these work well together? What modules are normally used for the Bitx kits?

Jack, W8TEE
 

I've used that display with the BITX40:

Inline image

and it works well. I've also made a VFO with the AD9850 that you mention (see March, 2016, QST). I can understand the addition of the display, but what's the purpose of the AD9850? If you're building from scratch, Farhan's design uses the multiple clocks from the Si5351, so that chip might be easier to "drop in" than the AD9850.

Jack, W8TEE

On Saturday, April 27, 2019, 11:59:50 PM EDT, N7QL <n7ql.us@...> wrote:


I am trying to figure out what arduino modules I need to build the raduino. I found this display https://www.ebay.com/itm/2-4-inch-TFT-LCD-Touch-Screen-Display-Panel-Shield-For-Arduino-UNO-R3-MEGA2560/132795546292.  I also found this DDS module. I assume I'd also need the UNO R3 Mega 2560 module also. Would these work well together? What modules are normally used for the Bitx kits?

N7QL
 

Thank you Jack for letting me know that. I had read about the AD9850 for the Bitx somewhere online. I also read about the SI5351. I wish I could remember exactly where I read about the AD9850. I am definitely going to use the SI5351 then. 

Mike Short <ai4ns.mike.spam@...>
 

Do you have details on implementing this on the bitx40? I am building one right now and would like to explore it. 

Mike
AI4NS 

On Sun, Apr 28, 2019 at 8:48 AM Jack Purdum via Groups.Io <jjpurdum=yahoo.com@groups.io> wrote:
I've used that display with the BITX40:

Inline image

and it works well. I've also made a VFO with the AD9850 that you mention (see March, 2016, QST). I can understand the addition of the display, but what's the purpose of the AD9850? If you're building from scratch, Farhan's design uses the multiple clocks from the Si5351, so that chip might be easier to "drop in" than the AD9850.

Jack, W8TEE

On Saturday, April 27, 2019, 11:59:50 PM EDT, N7QL <n7ql.us@...> wrote:


I am trying to figure out what arduino modules I need to build the raduino. I found this display https://www.ebay.com/itm/2-4-inch-TFT-LCD-Touch-Screen-Display-Panel-Shield-For-Arduino-UNO-R3-MEGA2560/132795546292.  I also found this DDS module. I assume I'd also need the UNO R3 Mega 2560 module also. Would these work well together? What modules are normally used for the Bitx kits?

N7QL
 

Jack, W8TEE
 

I'm sure the parts are okay, and I've used the Si5351 board and it works fine. I don't know about the display, especially if you plan on using the touch screen feature. The Raduino uses a Nano and I know that Dr. Lee has crammed a lot of features into it, but I think his code only works with the Nextion display which is an entirely different beast than the display you show. My display was driven by a Arduino Mega2560 Pro Mini, which has 256K of flash...big resource difference over a Nano. I would check with the vendor and ask what libraries are used for touch support and do a little research on any code you can find that uses that library.

Jack, W8TEE

David S
 

Hi

As Jack says the Si5351 module is Ok but I think you could find one at a better price.  However be very careful with the display this is a line from the advert

8 bit digital interface,plus 4 control lines:-

This means the display needs 8 data lines plus the control lines, you should look carefully at the code you intend to use, look at the display setup a lot of code uses serial data SPI bus to drive the display.  You can see the chips for the touch screen but having a quick look on the internet about the display controller there lots of people having issues.

As a package it comes with an Arduino Uno, if the display suits your code it seems a good price, just check the code you intend to use first

Regards G8DJM

N7QL
 

This is good to know. What I will likely do for now is to stick with the nano and a 1620 display for now since I know that will work and once I get enough experience with arduino in general I might try to upgrade to the uno/tft combo. Thank you Jack and David! The help is appreciated.