Friday, August 15, 2014

Troubleshooting Mac FTDI Driver Problems


Can't upload, with this output:

avrdude: Send: 0 [30]   [20] 
avrdude: Send: 0 [30]   [20] 
avrdude: Send: 0 [30]   [20] 
avrdude: ser_recv(): programmer is not responding
avrdude: stk500_recv(): programmer is not responding

avrdude done.  Thank you.


According to Apple has developed their own FTDI drivers for OSX 10.9. These drivers are problematic.


Type the following commands into the terminal:

cd /System/Library/Extensions/IOUSBFamily.kext/Contents/PlugIns 
sudo mv AppleUSBFTDI.kext AppleUSBFTDI.disabled 
sudo touch /System/Library/Extensions

Restart your computer.

Install the original FTDI Virtual Com Port drivers found here:

Start Arduino and program as you always have.

Credit: Adam S.

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