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FEETECH High-Torque, High-Voltage Digital Servo FT5121M
The FT5121M is a standard-size digital servo from FEETECH that is capable of delivering extra-high torque normally associated with more expensive or larger servos thanks to its powerful coreless motor and an all-metal gear train. The output shaft is supported by two ball bearings for reduced friction. The FT5121M is a high-voltage servo, offering an operating voltage range of 6 V to 7.4 V. Servo horns and associated hardware are included. This servo can work with both 5 V and 3.3 V servo signals.
Key specs at 7.4 V: 0.12 sec/60°, 285 oz-in (20.5 kg-cm), 60 g.
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- What are the wires coming out of my servo?
Most standard radio control (RC) servos have three wires, each a different color. Usually, they are either black, red, and white, or they are brown, red, and orange/yellow:
- brown or black = ground (GND, battery negative terminal)
- red = servo power (Vservo, battery positive terminal)
- orange, yellow, white, or blue = servo control signal line
Please check the specs for your servo to determine the proper power supply voltage, and please take care to plug the servo into your device in the proper orientation (plugging it in backwards could break the servo or your device).
Note: Some of the servos we carry also have an optional fourth green wire that is separate from the three standard ones. This wire provides access to the feedback potentiometer, allowing you to directly measure the position of the output. The servos with this extra wire have "with Position Feedback" at the ends of their product names. The picture below is an example of such a servo.
FEETECH Sub-Micro Servo FS0403-FB with Position Feedback.
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