can someone help me with arduino uno

I don't know what I did with my arduino, I just know that I can't use it anymore
I imagine it's the bootloader, I'm using arduino leonardo to record the bootloader on uno but I can't

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x03
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x03
Erro ao gravar o bootloader.

obs: the two arduinos are new and there is no connection problem between them

It sounds like you are attempting to program the UNO with an leonardo. Is this correct? Did you try to program the UNO using the ISP pins? If not how was it connected when you "recorded the bootloader" ?
What was the bootloader you tried to program on the UNO?

Correct that is all that message means. The IDE can't communicate with the Arduino.
Have you double clicked the reset button on the Leonardo while it is trying to sync?

It is highly unlikely that you have somehow managed to wipe the boot loader.
This sort of problem is usually down to not picking the correct Arduino or serial port in the IDE.

Which pins did you use on the Leonardo; pins 11/12/13 on the Leonardo are not the SPI pins.

Or blowing up the Arduino :wink:

@gabrielserratg, what was the project that you were working on? Anything with motors / relays / solenoids? Anything involving voltages different from 5V?

And … check the port the Leonardo is on - as it is a software usb it can change ports when you reboot it .
Icsp programmers on eBay are cheap, they are an easy way to load bootloaders direct

I've tried making several connections
I've also looked on the internet for leonardo's connections
this is just happening, why i tried to use arduino uno as hid

5v/5v
gnd/gnd
10/reset
11/11
12/12
13/13

and

Fritzing_ArduinoasISP_AVR_Programmer_bb

none of these worked

As I said, on the Leonardo the SPI pins are NOT 11, 12 and 13; they are on the small 6-pin connector.

What exactly did you do? To be able to use the Uno as a HID, you have to burn different firmware in the 16U2 of the Uno. So you have to reverse that step. In that case, burning the bootloader in the 328P will not help.

I tried using it as HID but it didn't work, I can't use it to do anything else
I just want to fix it to leave it as it was before, because it's a new arduino

you said about the SPI ports, if these are the ones I've tried too

Let me ask differently, what did you do to try to make it work as a HID? Did you update the firmware of the 16U2 (assuming that is whay is on your Uno)? Or something else? What?

And yes those are the SPI pins on the Leonardo.

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