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Well, got the coax attached and all I get is birdies, no RX. Not sure why. I can see the BFO clk running. I removed the xtal and attached the coax as in

Here is a picture at the output of Si5351 not connected to a mixer, just terminated with 51R resistor. This happens when the output is different from 25MH. Only CLK0 is enabled. Quartz at 27MHz. The

It's got both, it's currently set to to shuttle tuning as per Don's which i actually think is more useful because it doesn't jump about. If you want Farhan's original just change the line in loop() to

Just a suggestion: I found that the drive current line in my Raduino was commented out. I removed the comment slashes and compiled with the current set a 2 MA. I also replaced the two wires that

Ok, I figured it out for those that are having trouble. ?Open the main BitXtra40 file. ?Then open a new tab in the Arduino IDE paste the information from the UpsideDown file into that new tab.

hi Raj, Thanks a lot! I see removing the R1 should do the trick.? have a nice day. vy 73's hanz de PA3ZZ

I too made the "rookie" mistake. And by using the RS electret capsule, may have compounded the problem further. I did have my base rig antenna disconnected but there was still the ambient noise thing.

Hans, you will need to rewire the mic. Remove R1 Connect mic -ve to ground wire PTT button to ground and other end to data pin use that pin for PTT You will need a 4pin socket. Emacs!

Hi, Does any one have experiance with connecting a handmic like this one?mh-34b4b ? The ptt doesn't switch in the bitx, led on mic is lit. With the switch delivered with the bitx the ptt works

Hi Sarma I will try ...TKS 73 de py2ohh miguel

You'll need both .ino files in your project. You're missing the upside down sketch which defines printFrequency.

Correction- the alignment instructions have been amended. Turn both controls down clockwise. Turning them up is COUNTERCLOCKWISE. R136 is to the right of the black, round, short, heatsink. This

To: N7PXY Ash has just recently uploaded the Bitx40.ino file used in the shipped product. You should get this and upload it to your Raduino and make sure you still have Etherkit 2.0.1 library

fellow coders, what follows is gibberish to those who do not use git to control their source code. ignore please. i am pushed the production bitx40.ino to the repository. it is not raduino.ino, but

hi , please try to use TL074 instead for lower noise level than TLo84. regards sarma vu3zmv py2ohh@...> wrote:

I like and appreciate the term “comrades”.

Dear Mr. Farhan, Thank you for taking the trouble to help me. Thank you for extending compassion and flexibility when I needed it.

I was a few things. The first rookie mistake was setting the receiver to a certain freq, and the BITX to the same and transmitting. The raduino was a few hundred Hz off and not calibrated yet. The

Every Arduino program must have a?setup() and loop() function. The?setup() function?is used to set the environment in which the program runs. It only runs one time when the program first begins to

So how did that get resolved? ?I assume that SW receiver was just too darn close. Jerry