Asked
— Edited
Dr. Howard Marner would like to know, "Well, why wasn't I notified?" that there is now a green LED around the camera for JD? 
PWM Servo Feedback (I2c)
— Real-time servo position input via Arduino ADC over I2C; supports Nano (6 channels) or Mega (16), configurable I2C address and scalable chaining.
Try it →
The newer camera that began shipping in nearly 2 years ago has a green led instead of blue.