Avrdude: stk500_recv(): programmer is not responding

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I try to use the" DIY Arduino RC Transmitter",boadr is "pro mini ATMEGA328P 5V/16M".I tried to connected with a "CP2104" and a" USB TO TTL FT232Rl"，but both not work. I can't upload to the board.

avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x1f avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x1f avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x1f avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x1f avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x1f avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x1f avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x1f avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x1f avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x1f avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x1f Failed uploading: uploading error: exit status 1
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Your topic has been moved. Please do not post in "Uncategorized"; see the sticky topics in https://forum.arduino.cc/c/using-arduino/uncategorized/184.

Your link sta tes a Pro Mini; anything connected to the Tx/Rx pins except for the usb-to-serial adapter? Is the usb-to-serial adapter's DTR pin connected to the Pro Mini?

1 Like
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Thank you for your reply.
I'm using "pro mini ATMEGA328P 5V/16M",I tried to connected with a "CP2104" and a" USB TO TTL FT232Rl"，but both not work.

4

Please provide a wiring diagram for that. Did you disconnect the jumpers (or whatever) so nothing is connected to Rx and Tx; that was stated in the article that you referenced.

5

DTR-DRT,TXo-TXD/RXD,RXI-RXD/RXD,GND-GND,VCC-5V

6

LIke this:

USB-TTL   RC-Controller
GND	 -->	GND
5V	 -->	Vcc
DTR	 -->	DTR	
TX	 -->	RX
RX	 <--	TX

Did you use the correct gerber file?

image
image1146×539 18.8 KB

7

Thanks for your solves.
I'm sure I used the correct gerber file and cables. There are two ports: COM3 and COM8. COM3 is the "native serial port". I used COM8,then get the board info get VID, PID, and SN , but the BN is not "unkown board". I also referred to the method in GitHub - per1234/zzInoVIDPID: VID/PID definitions for all common USB to serial chips for the Arduino IDE. Used to identify ports listed on the Tools > Port menu.. But I still can't upload.

8

Your computer sees the USB-TTL board but there is a bad connection somewhere else
You may have a bad solder connection somewhere

9

But your connections are wrong.
Did you connect like I show in post #6

10

I checked my connections , I connect like you show in post #6.
I‘m confused.
I'll try do another new PCB and report you the result.
Thank you very much.

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