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If this unit was received only a few weeks ago, either port will have access to the bootloader. Bother ports start at 19200,n,8,a and the TT4 sends the same "?" and "Press ESC 3 times to enter TT4

Whenever I see gibberish on a serial port I always think I am somehow using the wrong baud rate. Try different baud rates and see if you get what is expected. --Dan Meyer / n0kfb

John, I think the chances of your having done any damage to the TT4 are almost nil. What occurred to me now is that even though you are not getting to the command line, the serial data that you are

Hmm, gibberish on the terminal means some data is being received. When I have run into that it has always been a wrong baudrate or wrong parity or inverted data problem. A scope would tell you, but

Hi Allen, Thank you for a quick and thoughtful suggestion. Unfortunately that didn’t solve the problem. I understand that the TT4 is powered by the USB port but I don’t understand what else I can

John, I would start by going to the Device Manager in your computer. Under the Prolific's USB device advanced settings, turn off the FIFO buffer, which may be delaying the timing process just long

Hello to all and thank you for allowing me to join this group. I looked through all of the topics but I didn’t see one that directly addressed my issue. Two weeks or so ago I received my Tiny Trak

thanks Allen AF6OF I will try another cable or the usb cable I will give you news if it works 73 '

David, What type of cable are you using? The TT3 needs a null modem, gender-changing cable ( Alright, go ahead and insert your California jokes here, I am used to it!) If you are using a "straight

Hello everyone, if you can help me, my tinytrak3 plus with the configuration software does not read the installed version, I cannot make some configuration changes, someone knows why, I would

Clearly, you are a man of science! Allen AF6OF [email protected]> wrote:

Thanks Allen for that info.? I never would have guessed that setting had anything to do with what I wanted to do. 73.

When i'm running mobile, for events, i basically just key the mic :)

Greg, The command that is most important to using the PTT-In is in the timing box. The MANUAL TX RATE works by preventing the TT3 from sending a new "burst" of data within X number of seconds of the

Thanks Allen.? I was looking at the manual and schematic last night.? Seems easy enough.? Which check box in the config software involves sending a packet every time the radio is unkeyed?

The USB serial port share IO pins D0 and D1 (not D1 & D2 as stated below).? So pin D2 is available for use as a Software Serial pin. Robert Giuliano KB8RCO

Looking through the Arduino examples, the Serial Pass Through example is under? ? >Menu >File >Examples >04.CommunicationThis example is actually for an Arduino Mega, or other boards/chips with

Hi Rob, The passthrough solution you describe is a new concept to me. Would you be able to describe the setup process in more detail or share a link to someone who has done the project already? I was

I'd say keep it alive, to be sure! If the decision is made to discontinue it, I would ask that it be placed in the public domain so other people can tinker with it. In my world, it might be cool to

Greg, You can find the TT3 manual here:?http://byonics.com/downloads/TinyTrak3Plus_v1.03.pdf On page 3 of the manual, you can see that the PTT-In function is on pin 11 of the PIC, and on pin 8 of the