Hi,
OPs pic;
Very nice.
Servos can be a doddle.
- Servos can require more an an AMP to run, check specs.
- Servo needs separate supply from the controller.
- The Controller gnd MUST be connected to the Servo Supply gnd.
- Servos consume current even when signaled to a fixed position if the servo has to work against a load torque.
- The cheaper the servo, the less each servo behave to spec, in particular, 0 to 180, might be 10 to 170.
Tom...

