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avrdude: stk500_recv(): programmer is not responding

While uploading a sketch to my Arduino Nano board from Ubuntu 19.10 with an I2C LiquidCrystal Display attached to the board, I received the following error.

avrdude: stk500_recv(): programmer is not responding

The sketch failed to upload.

Solution

Disconnect the LCD-I2C device from ground. Re-upload the sketch.

I’m not sure why this works, or what causes the error, but disconnecting ground from the screen will power it down, and the upload will pass through provided your user has access to the /dev/ttyUSB0 device.

If not, check to see if the Linux system has created the device under another name, such as /dev/ttyUSB1 .

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