Freematics Forum

It was not connected. I was able to get it working by using a different processor. The "ATmega329P (Old bootloader)" is the one that worked. The programmer was still the AVRISP mkii.

Now I need to figure out how to add the PID for the Toyota transmission.

Thanks!

No I did not. I finally got it to upload using the "ATmega328P (Old Bootloader)" processor and the "AVRISP mkII" programmer. Now to try and add the Toyota PID for transmission temp.

Thanks.

I am having a hard time getting anything to upload to the Nano; even blink. I'm on Windows and it sees it attached as COM6. It sees that it is a CH340. But no matter what programmer I select in the IDE, it gets an error. (I am able to upload to an Uno I have sitting here.)

Uploading with AVR ISP ...