Analog Feedback Standard-Size Servo

Standard hobby servo with a fourth wire (white) that exposes the internal potentiometer wiper for analog position readback. Connects to any analog input (e.g., Arduino ADC) to close a position loop or record motion.

Logical pinout · physical placement not verified

Servo power
Servo positive supply lead. Adafruit Learn wiring states SERVO POWER wire connects to USB, and product datasheet lists 4.8 V and 6 V operating parameters.
Type · PowerVoltage · 4.8V to 6V servo supply, source-backed by Adafruit product datasheet parameters
Servo ground
Servo ground lead. Adafruit Learn wiring states SERVO GROUND wire connects to GND.
Type · GroundVoltage · 0V
Servo signal
Servo control signal lead. Adafruit Learn wiring states SERVO SIGNAL wire connects to A1 in the example circuit.
Type · Signal
Feedback white wire
Analogue position feedback from the servo potentiometer wiper. Adafruit states the feedback signal is brought out to a fourth white wire and can be read with an analogue input.
Type · AnalogVoltage · analogue feedback voltage, source says raw feedback signal is a voltage

Pin	Type	Function	Voltage
Servo power	Power	Servo positive supply lead. Adafruit Learn wiring states SERVO POWER wire connects to USB, and product datasheet lists 4.8 V and 6 V operating parameters.	4.8V to 6V servo supply, source-backed by Adafruit product datasheet parameters
Servo ground	Ground	Servo ground lead. Adafruit Learn wiring states SERVO GROUND wire connects to GND.	0V
Servo signal	Signal	Servo control signal lead. Adafruit Learn wiring states SERVO SIGNAL wire connects to A1 in the example circuit.
Feedback white wire	Analog	Analogue position feedback from the servo potentiometer wiper. Adafruit states the feedback signal is brought out to a fourth white wire and can be read with an analogue input.	analogue feedback voltage, source says raw feedback signal is a voltage

Logical pinout · physical placement not verified

Pin details

4 connections

Servo power
Servo positive supply lead. Adafruit Learn wiring states SERVO POWER wire connects to USB, and product datasheet lists 4.8 V and 6 V operating parameters.
PowerVoltage · 4.8V to 6V servo supply, source-backed by Adafruit product datasheet parameters
Servo ground
Servo ground lead. Adafruit Learn wiring states SERVO GROUND wire connects to GND.
GroundVoltage · 0V
Servo signal
Servo control signal lead. Adafruit Learn wiring states SERVO SIGNAL wire connects to A1 in the example circuit.
Signal
Feedback white wire
Analogue position feedback from the servo potentiometer wiper. Adafruit states the feedback signal is brought out to a fourth white wire and can be read with an analogue input.
AnalogVoltage · analogue feedback voltage, source says raw feedback signal is a voltage

Start wiring

PWM · UART · Wide input · Wired

Verify supply voltage and logic levels before powering up.

Module pins: Servo power, Servo ground, Servo signal, Feedback white wire. Schematik maps them to your board in the app.

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