Programmer is not responding?

Hello everyone!

I am new in this Forum but I done a few things with Arduino already and for some reason all my Arduino's stopped working (Via Serial) and now I do not know what to do I read a few Articles on this forum either they lead to dead links or it does not work I already tried all Bootloaders/Processor and so on (It still works via an direct usb connection on the board but I do not want to go that way I want to use Serial) :confused: I appreciate for all the help I receive!
Log:

Sketch uses 924 bytes (3%) of program storage space. Maximum is 30720 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xcd
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xcd
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xcd
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xcd
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xcd
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xcd
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xcd
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xcd
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xcd
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xcd
Problem uploading to board.  See https://support.arduino.cc/hc/en-us/sections/360003198300 for suggestions.

(The Code I use is the simple Blink script delivered in the IDE (I use v1.8.19 I already tried the new one but I receive the same result)

as the Arduino I use an Arduino Nano and I also use this USB-Device for the Serial connection.

Anyway I thank everyone again who read all this and I thank everyone for an advice/tip to how I can fix the issue Thanks in advance ^^

Edit: I use Windows 10 Pro 22H2 (Maybe I need to switch to Debian or Ubuntu that it finally works :rofl:)

  • First obvious thing would be the serial cable (USB cable).

  • Try the loopback test.

  • Connect TX to RX.

  • Send text from the serial monitor, same text should return on RX.

so I did now connected the TX and RX and when I type in putty I get back what I type so I think it works
2024-01-20 21_55_15-COM3 - PuTTY

  • What Arduino are you using ?

  • Measure the voltage on the 3V3 to GND pins when connected to the Arduino.

I used my multimeter I used it says for the 3V3 pin it got 3.3-4(DC)V and for the +5V it says it got 5.1 (DC)V (with no changes)

Are you connecting Rx and Tx of the adapter with Tx and Rx of the Nano (in that order)? And obviously GND of both?

Try the different options under Tools → Processor in the IDE.

I use TXD on TX and RXD on RX and +5V on VIN and GND to GND

I already tried it sadly it did not work

If you disconnect the usb-ttl serial converter does it upload?

? I don't get it if the question was if I can use an direct connection what is already sewed on the board if I can use that to upload? then it is an yes I can upload via the direct connection from the USB (In this case I got an USB-C) on top of the board

So you are trying to bypass the FT232 IC (the usb to ttl converter) on the nano with your external usb-ttl converter to upload code?
If yes, then it won't work with the converter you have

That got to technical for me I do not understand anything right now I am just trying to connection my Arduino nano via the Serial connection and I do not want to use the sewed on USB-C Port on my Arduino nano I just would like to use it via Serial connection that's all.

You cannot upload code to the nano with the USB-TTL converter that you have.

Ok which one do I need?

Actually, I can't see that it is possible to program the Nano via serial without modifying the board.
I've never tried it so I won't tell you that it would work.

The problem is that the Nano needs to be reset to go into bootloader mode so it can be programed and the converter board you have can't reset the nano.

Well as said it used to work I was always able to upload code to the nano via Serial it just stopped working since I got myself an new Serial USB maybe it's the wrong one so might as well go buy a new one but thanks anyway

Well that is backwards
TXD goes to RX
RXD goes to TX

that sadly didn't do anything anyway thanks anyway I purchased an new Serial USB I hope I only just bought an wrong serial USB and that's why it doesn't work :confused:

Good luck with the new one
Have a nice day