Programmable PWM Servo Series for RC & Robotics
Programmable PWM Servo Series for RC & Robotics
Fashion Star PWM Servos use familiar point-to-point pulse control for RC receivers, servo controllers, and microcontroller projects. Compare real models for RC systems, robotics, pan-tilt mechanisms, and compact motion.
HX8-A45-M7.4V · 4.81N·m · Brushless
HA8-P257.4V · 2.94N·m
HP8-A457.4V · 4.81N·m
Why Choose a PWM Servo?
PWM is a mature choice when a project needs direct actuator control and does not require a shared digital bus for IDs or status feedback.
Standard PWM Control
Receive a pulse-width command through a familiar point-to-point control signal.
Broad Controller Compatibility
Integrate with common RC receivers, servo control boards, and microcontroller platforms.
Simple Point-to-Point Wiring
Connect each servo to an individual controller channel rather than configuring a shared data bus.
Model-Specific Motion
Confirm the rotation range and operating mode in the selected model documentation.
Programmable Features
Supported digital models provide configurable settings and stall protection; verify availability by model.
Easy Prototyping
Build motion prototypes with widely available controllers, libraries, and PWM development resources.
Find a PWM Servo by Real Product Characteristics
The current Store lists 13 PWM models in one standard enclosure size. These groups use the published torque, motor, gear, and waterproof attributes—not invented series names.
2.94N·m PWM Models
HA8-P25 / RA8-P25 / HA8-P26 / RA8-P26
- Store voltage
- 7.4V
- Weight
- 62g
- Size
- 40 × 20 × 40 mm
3.82N·m PWM Models
HA8-P35 / RA8-P35 / HA8-P36 / RA8-P36
- Store voltage
- 7.4V
- Weight
- 52g
- Size
- 40 × 20 × 40 mm
4.81N·m Coreless Models
HP8-A45 / RP8-A45 / HP8-A46 / RP8-A46
- Store voltage
- 7.4V
- Weight
- 65g
- Size
- 40 × 20 × 40 mm
Waterproof PWM Model
HX8-A45-M
- Store voltage
- 7.4V
- Torque / weight
- 4.81N·m / 90g
- Size
- 40 × 20 × 40 mm
Waterproof is an environmental attribute, while PWM is a control method. For complete protection and environment guidance, continue to the Waterproof Servo Hub.
When Should You Choose a PWM Servo?
Use this overview to compare control paths, then confirm wiring, topology, termination and controller support in the relevant documentation.
| Selection factor | UART | RS-485 | CAN | PWM |
|---|---|---|---|---|
| Control signal / bus | UART serial; UC-01 converts TX/RX to one half-duplex S signal | RS-485 differential A/B pair | CAN bus; CANBUS and UAVCAN | Standard PWM pulse-width signal (20 ms period) |
| Wiring approach | Shared signal line plus power; short-distance integration | Shared A/B differential pair plus power; suited to longer runs | Shared CAN bus plus power; distributed nodes | One PWM control signal per servo plus power |
| Feedback & control | Angle, temperature, voltage, current, power and status feedback; closed-loop control | Angle, temperature, voltage, current, power and status feedback; closed-loop control | Angle, temperature, voltage, current, power and status feedback | No data feedback; no closed-loop control |
| Built-in control functions | Single-/multi-turn position, damping, synchronous and asynchronous commands | Single-/multi-turn position, damping, synchronous and asynchronous commands | Real-time CAN control and status communication | Position command by pulse width; protection parameters configurable |
| Communication strengths | Simple development and compact wiring | Strong noise immunity and long-distance differential communication | High real-time performance, robust interference resistance and multi-node networking | Simple, familiar controller interface |
| Best-fit applications | Education, research, robot joints and short-distance systems needing monitoring | Industrial, medical and research systems needing long-distance, noise-resistant control | UAVs, AGVs, autonomous platforms and reliable mobile robots | Education, RC models, vehicles/boats and cost-sensitive applications without feedback |
Choose PWM when you need a familiar point-to-point control signal and do not require shared bus feedback.
Ask for Selection HelpWhere Point-to-Point PWM Control Fits
PWM is especially practical where the host already provides servo channels and shared bus feedback is not required.
RC Models
Works with familiar receiver and controller channels for steering and auxiliary mechanisms.
Pan-Tilt & Gimbals
Direct PWM channels suit simple positioning mechanisms and controller-driven motion.
Grippers & Robot Joints
A practical option for individual joints that do not require a shared digital bus.
Education & Prototyping
Common PWM libraries and controller boards support rapid motion experiments.
Animatronics
Useful for individual expressive mechanisms controlled through dedicated channels.
Outdoor / Waterproof
Use a waterproof PWM model only after confirming its environmental rating.
Eight Checks Before Choosing a PWM Servo
Define the motion and controller requirements, then confirm every value against the selected Store model and Wiki documentation.
Required Torque
Match the mechanism load to the published model torque with suitable engineering margin.
Required Speed
Verify that the selected model meets the motion speed and duty requirements.
Size & Weight
Confirm enclosure, mounting, output shaft, and mass against the mechanism.
Operating Voltage
Match the servo, controller, and power supply requirements.
Rotation Mode
Confirm the required range or continuous operation in the model documentation.
Pulse Compatibility
Verify pulse settings and control behavior in the Wiki before integration.
Gear & Motor
Compare cored, coreless, brushless, and gear attributes listed in the Store.
Waterproof Need
Check the model-specific protection rating for wet or outdoor use.
Ready to compare real models?
Filter the official PWM category by torque, voltage, motor type, and dimensions.
Compare, Build, and Integrate
Continue with official product specifications, technical documentation, and application resources.
Store
View PWM models, specifications, prices, and availability.
Compare and buy → 02Wiki
Find wiring, pulse settings, control examples, and model documentation.
Build and integrate → 03Blog
Explore RC, mechanisms, robotics, and project applications.
Explore projects →Choose a PWM Servo with verified model data.
Frequently Asked Questions
Use the Hub for selection; follow the Wiki for exact pulse settings, wiring, and control examples.