Midi2CV help Help

[garryniedzielski]

Good day all!. I built the circuit above using the authors instructions, sketch and suggested components and a professional made PCB (as per spec) . I have an extensive background in Electronics but I am a total newbie with the Arduino Nano. The one I used is an Atmel 328PB V3 compatible. I was not able to load up the sketch or libraries until I loaded a compatible driver 328PB. From there it seemed to load with no errors.
The author said to include the standard Midi library (5.0.2) and SPI library (included in IDE) when uploading the sketch.
When I apply a midi signal I see the RX led flash on the Nano ,but there is no activity at the outputs or any of the 3 LEDS ;Clock Trigger and gate. I am suspecting that I am uploading incorrectly or the Nano is no good. I have ordered another Nano Atmel 328P-u .

I am out of ideas , can any one suggest anything?

[johnwasser]

@garryniedzielski

there is no activity at the outputs or any of the 3 LEDS ;Clock Trigger and gate.

Your schematic doesn't show the cathodes of your LEDs being grounded.

[garryniedzielski]

I should have uploaded the final schematic that the PCB was made from. Sorry about that John.

[johnwasser]

@garryniedzielski

I am out of ideas , can any one suggest anything?

I'm not very familiar with the differences between the ATmega328P and the newer ATmega328PB. Let's hope that the Nano works as expected when it arrives.

[garryniedzielski]

I sitting here thinking. The author of the sketch said to include the STANDARD midi library and the SPI library. Is it possible I have the wrong one? I downloaded the latest version of the midi library.
In a few days I’ll get the replacement Nano, that should eliminate one thing.
Thanks !