I got this clone Pro mini board without bootloader, after a hard time burning the bootloader onto it using a USBasp However, i can only upload sketch via USBasp or on the first time uploading with UART converter, on the second time i cant get things to work, while the old sketch is still running on…

[image] 328trung: What is that second "Burn Bootloader" It is the operation that replaces the bootloader on the microcontroller after you erased it by uploading a sketch using the USBasp. [image] 328trung: does it have something to do with my fuse bits? No. [image] 328trung: I di…

Avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt x of 10: not in sync: resp=0xxx

Development Tools Uploading

ptillisch January 31, 2024, 12:20am 6

You are welcome. I'm glad it is working now.

In case you are interested in learning more about this "auto-reset" circuit, there is a nice technical explanation here:

Regards,
Per

Topic		Replies	Views
upload code, arduino pro mini Programming	6	2029	May 5, 2021
avrdude: stk500_getsync() resp=0x0c Uploading	3	1013	May 6, 2021
avrdude: stk500_getsync(): not in sync: resp=0x00 [resolved] IDE 1.x	11	7207	May 5, 2021
avrdude: stk500_getsync() attempt 1 of 10:not in sync: resp=0x06. No fixes work. Uploading	15	9792	May 6, 2021
Unable to upload skecth to arduini pro mini 3rd Party Boards	6	1022	May 6, 2021

Avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt x of 10: not in sync: resp=0xxx

Related topics