Linked Questions

2
votes
3answers
2k views

Nano-like Board - Programmer Not Responding [duplicate]

I am trying to upload a basic sketch to my unofficial Nano-like board and keep getting this error. I understand that it is a generic connection error between the Arduino and my PC, but can't figure ...
0
votes
1answer
933 views

Problem Uploading to arduino nano (atmega 328p) [duplicate]

I am using Arduino 1.8.1 and arduino nano (mega 328p) and ftdi driver. In device manager it seems no problem, because it is detected as COM99. But it says a problem while uploading to the board as ...
0
votes
1answer
600 views

Problem Uploading to the Arduino Nano board [duplicate]

]2I am using an Arduino Nano board. It has an ATmega 328P processor. For running the codes I use Arduino 1.8.6 Software. The issue is that when I am uploading my sketch to the board it shows me the ...
0
votes
0answers
19 views

avrdude: stk500_recv(): programmer is not responding AVRDUDE ERROR [duplicate]

I cannot use any Arduino board such as UNO, Nano , RedBoard something etc. I am using Mojave 10.14.6 and Arduino IDE 1.8.12. ERROR : avrdude: stk500_recv(): programmer is not responding avrdude: ...
10
votes
1answer
23k views

Arduino Nano ATmega328P bootloader difference

There are two ATmega328P bootloaders, old and current. What is the difference between these bootloaders? I'm aware that Nanos sold by Arduino use the new bootloaders but I haven't been able to find ...
8
votes
1answer
25k views

CH340 Nano avrdude: stk500_getsync() not in sync resp=0xa4

I'm trying to upload some code to an non-arduino nano with the CH340G chip, and the avrdude refuses to let me upload. The error I'm getting is: Using Port : COM4 Using Programmer ...
5
votes
2answers
6k views

Having difficulty uploading sketch to an Arduino Pro Mini

Having developed and tested a project using an Arduino Uno, I would now like to upload it to an Arduino Pro Mini (5V, 328, 16MHz) for semi-permanent, long-term use, but I can't get any sign of life ...
1
vote
1answer
2k views

Can the Arduino (Nano) bootloader be updated via itself and the Arduino IDE or is an ISP required?

I ran into the following error with a recent Arduino IDE version (1.8.9) when trying to upload to an "Arduino Nano" clone (ATmega328P): avrdude: stk500_recv(): programmer is not responding avrdude: ...
2
votes
2answers
265 views

No usb serial on Mac

I've been using my Arduino UNO without a hith for a few days now, but suddenly I can't program it anymore. When I try to programm my Arduino on Mac, I get the following Error: avrdude: stk500_recv():...
1
vote
2answers
302 views

Unable to Upload

Not able to upload sketches to standalone arduino on breadboard (with Atmega328 bootloaded with blink LED program). Searched on the internet but there is no solution. Help ? error : avrdude: ...