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Hitec HS-55 Economy Feather Servo
The Hitec HS-55 Economy Feather Servo is a compact, lightweight servo motor designed for precision control applications requiring minimal torque and space constraints. Professional roboticists, RC aircraft builders, and automation engineers rely on this servo for applications where weight savings are critical without compromising reliability. This servo solves the challenge of integrating control mechanisms into weight-sensitive projects while maintaining consistent positioning accuracy and repeatability.
Product Overview
The Hitec HS-55 operates on the principle of a direct-drive DC motor coupled with a potentiometric feedback system, enabling closed-loop position control. The servo receives PWM signals from a microcontroller or receiver unit, translating pulse width variations into precise angular positioning. The internal gearing system provides mechanical advantage while the feedback network continuously monitors shaft position, allowing the servo to correct deviations and maintain commanded angles with high accuracy. This architecture makes the HS-55 ideal for applications requiring repeatable, accurate motion control in confined spaces.
What distinguishes the HS-55 is its featherweight design without sacrificing build quality. The compact form factor measures just 23x12x22mm, making it one of the smallest servos in its class, while the aluminum alloy casing provides structural rigidity. The servo features a standard 3-wire connection (power, ground, signal), making integration straightforward with any standard servo controller. The economy classification indicates optimized manufacturing for cost-effectiveness, making it perfect for hobbyist projects, educational robotics, and budget-conscious commercial applications where multiple units are required.
Key Specifications
| Specification | Details |
| Product Type | Economy Feather Servo Motor |
| Brand | Hitec |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Operating Voltage | 4.8V to 6.0V DC |
| Torque Output | 1.4 kg-cm at 4.8V, 1.7 kg-cm at 6.0V |
| Speed | 0.16 seconds per 60 degrees at 4.8V |
| Dimensions | 23 x 12 x 22 mm |
| Weight | 9 grams |
| Control Signal | Standard PWM, 1.0-2.0ms pulse width |
Key Features
- Ultra-lightweight construction at just 9 grams, enabling integration into weight-critical applications like micro aerial vehicles and lightweight robotic arms
- Compact dimensions of 23x12x22mm allow installation in confined spaces where standard servos cannot fit, ideal for miniature robotics projects
- Standard PWM control interface compatible with Arduino, Raspberry Pi, and all major microcontroller platforms without additional circuitry
- Potentiometric feedback system provides closed-loop position control with repeatability within 0.5 degrees, ensuring consistent performance across multiple cycles
- Aluminum alloy housing provides durability and heat dissipation while maintaining the lightweight profile required for sensitive applications
- Cost-effective economy design reduces per-unit expense when multiple servos are needed for complex multi-axis control systems
Applications and Use Cases
- Micro RC aircraft and quadcopter control surfaces where weight reduction directly improves flight time and payload capacity
- Educational robotics projects including robotic hands, walking mechanisms, and automated turrets for STEM learning environments
- Lightweight robotic arms and manipulators requiring multiple servo joints with minimal structural load on the mounting frame
- Precision camera gimbal systems for lightweight drones and handheld stabilization rigs requiring smooth panning and tilting motion
- Automated door locks, window blinds, and home automation systems where compact servo installation is essential
- Model engineering and scale robotics competitions where weight penalties directly affect competitive performance metrics
How to Use
To integrate the Hitec HS-55 into your project, first identify the three wire connections: red (power), black (ground), and yellow/white (signal). Connect the power and ground wires to your 4.8V to 6.0V DC power supply, ensuring adequate current capacity of at least 500mA per servo. Connect the signal wire to a PWM-capable output pin on your microcontroller. Configure your microcontroller to generate PWM signals with a frequency of 50Hz and pulse widths between 1.0ms and 2.0ms, where 1.5ms represents the neutral 90-degree position. Pulse widths shorter than 1.5ms rotate the servo counterclockwise, while longer pulses rotate it clockwise.
For optimal performance, mount the servo securely using the provided mounting bracket, ensuring the shaft rotates freely without obstruction. If using multiple servos, distribute power supply loads to prevent voltage sag, which can cause erratic behavior. Test the servo response by incrementally adjusting pulse width in 50-microsecond steps to map the full range of motion. The HS-55 typically achieves full 180-degree rotation with pulse widths from 1.0ms to 2.0ms. Allow a 20-millisecond interval between successive command updates to permit the servo mechanical system to respond smoothly. For applications requiring continuous monitoring, implement software debouncing to filter electrical noise that might affect position feedback accuracy.
Frequently Asked Questions
What is the maximum torque output of the Hitec HS-55, and is it sufficient for my application?
The Hitec HS-55 delivers 1.4 kg-cm at 4.8V and 1.7 kg-cm at 6.0V. This torque level is suitable for light-duty applications such as control surface actuation, camera gimbal control, and small robotic mechanisms. For applications requiring higher torque, consider the HS-65 or HS-81 models. Calculate your required torque by multiplying the load mass in kilograms by the distance in centimeters from the servo shaft to the load center of mass.
Can I use the HS-55 with a standard RC receiver or Arduino microcontroller?
Yes, the HS-55 is fully compatible with standard RC receivers and Arduino boards. The servo accepts standard PWM signals with 50Hz frequency and 1.0-2.0ms pulse width. For Arduino, use the Servo library with analogWrite() function or dedicated servo control libraries. For RC receivers, simply connect the servo signal wire to any available channel output. No additional drivers or interfaces are required.
What happens if I exceed the recommended voltage of 6.0V?
Operating the HS-55 above 6.0V will damage the internal circuitry, potentially causing permanent failure. The servo motor windings and control electronics are rated specifically for 4.8-6.0V operation. Exceeding this voltage can cause overheating, component burnout, and loss of position feedback accuracy. Always use a regulated power supply within the specified range and include a fuse rated at 1A per servo for protection.
How do I calibrate the servo to ensure accurate centering?
To calibrate the HS-55, send a 1.5ms pulse width signal to the servo and observe the shaft position. If the shaft is not centered at 90 degrees, adjust your microcontroller code to offset the pulse width accordingly. Most servo controllers include a trim or offset function for this purpose. Some advanced RC receivers allow mechanical trimming through small adjustment screws on the receiver unit itself. Document your calibration offset for future reference to ensure consistent performance across multiple projects.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Hitec HS-55 Economy Feather Servo Online in India
Purchase the Hitec HS-55 Economy Feather Servo online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Hitec HS-55 Economy Feather Servo with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
Hitec HS-55 Economy Feather Servo
The Hitec HS-55 Economy Feather Servo is a compact, lightweight servo motor designed for precision control applications requiring minimal torque and space constraints. Professional roboticists, RC aircraft builders, and automation engineers rely on this servo for applications where weight savings are critical without compromising reliability. This servo solves the challenge of integrating control mechanisms into weight-sensitive projects while maintaining consistent positioning accuracy and repeatability.
Product Overview
The Hitec HS-55 operates on the principle of a direct-drive DC motor coupled with a potentiometric feedback system, enabling closed-loop position control. The servo receives PWM signals from a microcontroller or receiver unit, translating pulse width variations into precise angular positioning. The internal gearing system provides mechanical advantage while the feedback network continuously monitors shaft position, allowing the servo to correct deviations and maintain commanded angles with high accuracy. This architecture makes the HS-55 ideal for applications requiring repeatable, accurate motion control in confined spaces.
What distinguishes the HS-55 is its featherweight design without sacrificing build quality. The compact form factor measures just 23x12x22mm, making it one of the smallest servos in its class, while the aluminum alloy casing provides structural rigidity. The servo features a standard 3-wire connection (power, ground, signal), making integration straightforward with any standard servo controller. The economy classification indicates optimized manufacturing for cost-effectiveness, making it perfect for hobbyist projects, educational robotics, and budget-conscious commercial applications where multiple units are required.
Key Specifications
| Specification | Details |
| Product Type | Economy Feather Servo Motor |
| Brand | Hitec |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Operating Voltage | 4.8V to 6.0V DC |
| Torque Output | 1.4 kg-cm at 4.8V, 1.7 kg-cm at 6.0V |
| Speed | 0.16 seconds per 60 degrees at 4.8V |
| Dimensions | 23 x 12 x 22 mm |
| Weight | 9 grams |
| Control Signal | Standard PWM, 1.0-2.0ms pulse width |
Key Features
- Ultra-lightweight construction at just 9 grams, enabling integration into weight-critical applications like micro aerial vehicles and lightweight robotic arms
- Compact dimensions of 23x12x22mm allow installation in confined spaces where standard servos cannot fit, ideal for miniature robotics projects
- Standard PWM control interface compatible with Arduino, Raspberry Pi, and all major microcontroller platforms without additional circuitry
- Potentiometric feedback system provides closed-loop position control with repeatability within 0.5 degrees, ensuring consistent performance across multiple cycles
- Aluminum alloy housing provides durability and heat dissipation while maintaining the lightweight profile required for sensitive applications
- Cost-effective economy design reduces per-unit expense when multiple servos are needed for complex multi-axis control systems
Applications and Use Cases
- Micro RC aircraft and quadcopter control surfaces where weight reduction directly improves flight time and payload capacity
- Educational robotics projects including robotic hands, walking mechanisms, and automated turrets for STEM learning environments
- Lightweight robotic arms and manipulators requiring multiple servo joints with minimal structural load on the mounting frame
- Precision camera gimbal systems for lightweight drones and handheld stabilization rigs requiring smooth panning and tilting motion
- Automated door locks, window blinds, and home automation systems where compact servo installation is essential
- Model engineering and scale robotics competitions where weight penalties directly affect competitive performance metrics
How to Use
To integrate the Hitec HS-55 into your project, first identify the three wire connections: red (power), black (ground), and yellow/white (signal). Connect the power and ground wires to your 4.8V to 6.0V DC power supply, ensuring adequate current capacity of at least 500mA per servo. Connect the signal wire to a PWM-capable output pin on your microcontroller. Configure your microcontroller to generate PWM signals with a frequency of 50Hz and pulse widths between 1.0ms and 2.0ms, where 1.5ms represents the neutral 90-degree position. Pulse widths shorter than 1.5ms rotate the servo counterclockwise, while longer pulses rotate it clockwise.
For optimal performance, mount the servo securely using the provided mounting bracket, ensuring the shaft rotates freely without obstruction. If using multiple servos, distribute power supply loads to prevent voltage sag, which can cause erratic behavior. Test the servo response by incrementally adjusting pulse width in 50-microsecond steps to map the full range of motion. The HS-55 typically achieves full 180-degree rotation with pulse widths from 1.0ms to 2.0ms. Allow a 20-millisecond interval between successive command updates to permit the servo mechanical system to respond smoothly. For applications requiring continuous monitoring, implement software debouncing to filter electrical noise that might affect position feedback accuracy.
Frequently Asked Questions
What is the maximum torque output of the Hitec HS-55, and is it sufficient for my application?
The Hitec HS-55 delivers 1.4 kg-cm at 4.8V and 1.7 kg-cm at 6.0V. This torque level is suitable for light-duty applications such as control surface actuation, camera gimbal control, and small robotic mechanisms. For applications requiring higher torque, consider the HS-65 or HS-81 models. Calculate your required torque by multiplying the load mass in kilograms by the distance in centimeters from the servo shaft to the load center of mass.
Can I use the HS-55 with a standard RC receiver or Arduino microcontroller?
Yes, the HS-55 is fully compatible with standard RC receivers and Arduino boards. The servo accepts standard PWM signals with 50Hz frequency and 1.0-2.0ms pulse width. For Arduino, use the Servo library with analogWrite() function or dedicated servo control libraries. For RC receivers, simply connect the servo signal wire to any available channel output. No additional drivers or interfaces are required.
What happens if I exceed the recommended voltage of 6.0V?
Operating the HS-55 above 6.0V will damage the internal circuitry, potentially causing permanent failure. The servo motor windings and control electronics are rated specifically for 4.8-6.0V operation. Exceeding this voltage can cause overheating, component burnout, and loss of position feedback accuracy. Always use a regulated power supply within the specified range and include a fuse rated at 1A per servo for protection.
How do I calibrate the servo to ensure accurate centering?
To calibrate the HS-55, send a 1.5ms pulse width signal to the servo and observe the shaft position. If the shaft is not centered at 90 degrees, adjust your microcontroller code to offset the pulse width accordingly. Most servo controllers include a trim or offset function for this purpose. Some advanced RC receivers allow mechanical trimming through small adjustment screws on the receiver unit itself. Document your calibration offset for future reference to ensure consistent performance across multiple projects.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Hitec HS-55 Economy Feather Servo Online in India
Purchase the Hitec HS-55 Economy Feather Servo online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Hitec HS-55 Economy Feather Servo with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.