50 % தள்ளுபடி
DYS 20A Multi-copter Brushless Speed Controller
The DYS 20A Multi-copter Brushless Speed Controller is a high-performance electronic speed controller designed to regulate brushless motor operation in multi-rotor drone platforms. Professional drone manufacturers, aerial photography specialists, and FPV racing enthusiasts rely on this controller to deliver precise motor speed modulation and stable flight dynamics. This ESC solves the critical challenge of converting PWM signal input into three-phase commutation output while maintaining thermal stability and response accuracy across varying load conditions.
Product Overview
The DYS 20A ESC operates on the principle of MOSFET-based power switching to control brushless motor speed through pulse-width modulation. The controller accepts standard RC receiver PWM signals ranging from 1000-2000 microseconds and translates them into variable frequency three-phase output to the brushless motor windings. The firmware includes programmable parameters for throttle range calibration, brake function, and rotation direction, allowing seamless integration with diverse flight control systems and motor specifications. The 20A continuous current rating supports mid-weight multi-copter platforms typically weighing 2-4 kilograms with 750-1000KV brushless motors.
This model distinguishes itself through its compact form factor, efficient power delivery architecture, and robust protection circuitry. The integrated low-voltage cutoff prevents battery over-discharge damage, while thermal management ensures sustained performance during extended flight missions. The controller features a straightforward calibration procedure compatible with popular flight controllers including Pixhawk, APM, and Betaflight systems. Its lightweight PCB design minimizes vibration transmission to the airframe while the potted electronics provide environmental protection against moisture and dust ingress common in field operations.
Key Specifications
| Specification | Details |
| Product Type | Brushless Electronic Speed Controller (ESC) |
| Brand | DYS (Dayang) |
| 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 |
| Continuous Current Rating | 20 Amperes |
| Burst Current Rating | 25 Amperes (10 seconds maximum) |
| Input Voltage Range | 2S-4S LiPo (7.4V - 14.8V nominal) |
| PWM Input Frequency | 50Hz standard RC protocol |
| Programmable Features | Throttle calibration, direction reversal, brake mode, low voltage cutoff |
| Dimensions | 32mm x 18mm x 12mm |
| Weight | Approximately 10 grams |
Key Features
- 20A Continuous Current Rating with 25A burst capability enables reliable operation on 2-4 cell LiPo batteries for mid-weight quadcopters and hexacopters
- Programmable low-voltage cutoff protection prevents LiPo battery damage by automatically reducing throttle when voltage drops below user-defined threshold
- Integrated thermal protection circuit monitors junction temperature and reduces power output if controller temperature exceeds safe operating limits during sustained high-current draw
- Smooth throttle response with 8-bit PWM resolution provides precise motor speed control essential for stable hovering and aggressive acrobatic maneuvers
- Compatibility with all major flight controller platforms including Pixhawk, APM, Betaflight, and Cleanflight through standard PWM signal input
- Potted and sealed electronics design offers protection against moisture, dust, and vibration in field deployment scenarios
Applications and Use Cases
- Quadcopter and Hexacopter Platforms: Ideal for mid-weight multi-rotor UAVs in the 2-4kg range used for aerial photography, surveying, and inspection missions where stable flight control is critical
- FPV Racing Drones: Delivers responsive throttle control and minimal latency required for competitive drone racing applications with rapid acceleration and deceleration demands
- Agricultural Drone Systems: Powers brushless motors in crop monitoring and precision agriculture platforms where extended flight times and reliable motor commutation are essential
- Aerial Cinematography: Supports smooth gimbal-equipped multi-copters used in film and television production requiring stable power delivery and vibration-free operation
- Educational Robotics Projects: Enables students and hobbyists to build custom multi-rotor platforms with programmable flight characteristics for learning aerodynamics and control systems
How to Use
Begin by connecting the three-phase motor wires from your brushless motor to the ESC output terminals, ensuring secure crimped connections to minimize resistance losses. Connect the battery positive and negative leads to the main power input, then connect the signal wire from your flight controller to the PWM input signal pin on the ESC. Power on your system and perform throttle calibration by setting your transmitter to maximum throttle, powering the ESC, waiting for the calibration beep sequence, then reducing throttle to minimum and waiting for confirmation beeps. This calibration establishes the PWM signal range boundaries for accurate motor control.
Once calibration is complete, access the ESC programming menu through your flight controller or dedicated programming card to configure rotation direction, low-voltage cutoff threshold typically set to 3.0V per cell, and brake mode if desired. Perform a test flight in a safe open area to verify smooth throttle response across the entire range and confirm motor rotation direction matches your multi-copter configuration. Monitor ESC temperature during extended flights and ensure adequate airflow around the controller if operating near maximum current ratings. Regular inspection of solder joints and connector terminals helps maintain reliable electrical contact and prevents mid-flight power loss.
Frequently Asked Questions
What is the difference between 20A continuous and 25A burst current rating?
The 20A continuous rating represents the maximum current the ESC can safely handle indefinitely without thermal damage. The 25A burst rating allows temporary current spikes up to 25 amperes for up to 10 seconds during rapid acceleration or aggressive maneuvers. Exceeding burst limits or maintaining burst current for extended periods will trigger thermal protection and reduce motor power output to prevent controller damage.
Can I use this ESC with 2S, 3S, and 4S LiPo batteries interchangeably?
Yes, the DYS 20A ESC supports 2S through 4S LiPo battery configurations with nominal voltages of 7.4V, 11.1V, and 14.8V respectively. The internal voltage regulation and protection circuits automatically adapt to the input voltage. However, ensure your brushless motor is rated for the same voltage range. Using a 4S battery with a 2S-rated motor will cause excessive speed and potential motor failure.
How do I calibrate the throttle range on this ESC?
Connect the ESC to your flight controller, set your transmitter throttle to maximum position, power on the ESC and wait for the calibration beep sequence. Then lower throttle to minimum and wait for confirmation beeps indicating successful calibration. This establishes the PWM signal boundaries. Some flight controllers like Pixhawk allow software-based throttle range adjustment in mission planner, providing additional fine-tuning options.
What motor KV rating should I pair with this 20A ESC?
For 2-4kg multi-copters, use 750-1000KV brushless motors with this ESC. The KV rating determines RPM per volt, so higher KV motors spin faster at the same voltage. Match motor KV to your propeller size and desired flight characteristics. Smaller propellers require higher KV motors, while larger propellers work better with lower KV motors. Always verify your motor specifications match the ESC voltage rating.
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 DYS 20A Multi-copter Brushless Speed Controller Online in India
Purchase the DYS 20A Multi-copter Brushless Speed Controller 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 DYS 20A Multi-copter Brushless Speed Controller with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
DYS 20A Multi-copter Brushless Speed Controller
The DYS 20A Multi-copter Brushless Speed Controller is a high-performance electronic speed controller designed to regulate brushless motor operation in multi-rotor drone platforms. Professional drone manufacturers, aerial photography specialists, and FPV racing enthusiasts rely on this controller to deliver precise motor speed modulation and stable flight dynamics. This ESC solves the critical challenge of converting PWM signal input into three-phase commutation output while maintaining thermal stability and response accuracy across varying load conditions.
Product Overview
The DYS 20A ESC operates on the principle of MOSFET-based power switching to control brushless motor speed through pulse-width modulation. The controller accepts standard RC receiver PWM signals ranging from 1000-2000 microseconds and translates them into variable frequency three-phase output to the brushless motor windings. The firmware includes programmable parameters for throttle range calibration, brake function, and rotation direction, allowing seamless integration with diverse flight control systems and motor specifications. The 20A continuous current rating supports mid-weight multi-copter platforms typically weighing 2-4 kilograms with 750-1000KV brushless motors.
This model distinguishes itself through its compact form factor, efficient power delivery architecture, and robust protection circuitry. The integrated low-voltage cutoff prevents battery over-discharge damage, while thermal management ensures sustained performance during extended flight missions. The controller features a straightforward calibration procedure compatible with popular flight controllers including Pixhawk, APM, and Betaflight systems. Its lightweight PCB design minimizes vibration transmission to the airframe while the potted electronics provide environmental protection against moisture and dust ingress common in field operations.
Key Specifications
| Specification | Details |
| Product Type | Brushless Electronic Speed Controller (ESC) |
| Brand | DYS (Dayang) |
| 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 |
| Continuous Current Rating | 20 Amperes |
| Burst Current Rating | 25 Amperes (10 seconds maximum) |
| Input Voltage Range | 2S-4S LiPo (7.4V - 14.8V nominal) |
| PWM Input Frequency | 50Hz standard RC protocol |
| Programmable Features | Throttle calibration, direction reversal, brake mode, low voltage cutoff |
| Dimensions | 32mm x 18mm x 12mm |
| Weight | Approximately 10 grams |
Key Features
- 20A Continuous Current Rating with 25A burst capability enables reliable operation on 2-4 cell LiPo batteries for mid-weight quadcopters and hexacopters
- Programmable low-voltage cutoff protection prevents LiPo battery damage by automatically reducing throttle when voltage drops below user-defined threshold
- Integrated thermal protection circuit monitors junction temperature and reduces power output if controller temperature exceeds safe operating limits during sustained high-current draw
- Smooth throttle response with 8-bit PWM resolution provides precise motor speed control essential for stable hovering and aggressive acrobatic maneuvers
- Compatibility with all major flight controller platforms including Pixhawk, APM, Betaflight, and Cleanflight through standard PWM signal input
- Potted and sealed electronics design offers protection against moisture, dust, and vibration in field deployment scenarios
Applications and Use Cases
- Quadcopter and Hexacopter Platforms: Ideal for mid-weight multi-rotor UAVs in the 2-4kg range used for aerial photography, surveying, and inspection missions where stable flight control is critical
- FPV Racing Drones: Delivers responsive throttle control and minimal latency required for competitive drone racing applications with rapid acceleration and deceleration demands
- Agricultural Drone Systems: Powers brushless motors in crop monitoring and precision agriculture platforms where extended flight times and reliable motor commutation are essential
- Aerial Cinematography: Supports smooth gimbal-equipped multi-copters used in film and television production requiring stable power delivery and vibration-free operation
- Educational Robotics Projects: Enables students and hobbyists to build custom multi-rotor platforms with programmable flight characteristics for learning aerodynamics and control systems
How to Use
Begin by connecting the three-phase motor wires from your brushless motor to the ESC output terminals, ensuring secure crimped connections to minimize resistance losses. Connect the battery positive and negative leads to the main power input, then connect the signal wire from your flight controller to the PWM input signal pin on the ESC. Power on your system and perform throttle calibration by setting your transmitter to maximum throttle, powering the ESC, waiting for the calibration beep sequence, then reducing throttle to minimum and waiting for confirmation beeps. This calibration establishes the PWM signal range boundaries for accurate motor control.
Once calibration is complete, access the ESC programming menu through your flight controller or dedicated programming card to configure rotation direction, low-voltage cutoff threshold typically set to 3.0V per cell, and brake mode if desired. Perform a test flight in a safe open area to verify smooth throttle response across the entire range and confirm motor rotation direction matches your multi-copter configuration. Monitor ESC temperature during extended flights and ensure adequate airflow around the controller if operating near maximum current ratings. Regular inspection of solder joints and connector terminals helps maintain reliable electrical contact and prevents mid-flight power loss.
Frequently Asked Questions
What is the difference between 20A continuous and 25A burst current rating?
The 20A continuous rating represents the maximum current the ESC can safely handle indefinitely without thermal damage. The 25A burst rating allows temporary current spikes up to 25 amperes for up to 10 seconds during rapid acceleration or aggressive maneuvers. Exceeding burst limits or maintaining burst current for extended periods will trigger thermal protection and reduce motor power output to prevent controller damage.
Can I use this ESC with 2S, 3S, and 4S LiPo batteries interchangeably?
Yes, the DYS 20A ESC supports 2S through 4S LiPo battery configurations with nominal voltages of 7.4V, 11.1V, and 14.8V respectively. The internal voltage regulation and protection circuits automatically adapt to the input voltage. However, ensure your brushless motor is rated for the same voltage range. Using a 4S battery with a 2S-rated motor will cause excessive speed and potential motor failure.
How do I calibrate the throttle range on this ESC?
Connect the ESC to your flight controller, set your transmitter throttle to maximum position, power on the ESC and wait for the calibration beep sequence. Then lower throttle to minimum and wait for confirmation beeps indicating successful calibration. This establishes the PWM signal boundaries. Some flight controllers like Pixhawk allow software-based throttle range adjustment in mission planner, providing additional fine-tuning options.
What motor KV rating should I pair with this 20A ESC?
For 2-4kg multi-copters, use 750-1000KV brushless motors with this ESC. The KV rating determines RPM per volt, so higher KV motors spin faster at the same voltage. Match motor KV to your propeller size and desired flight characteristics. Smaller propellers require higher KV motors, while larger propellers work better with lower KV motors. Always verify your motor specifications match the ESC voltage rating.
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 DYS 20A Multi-copter Brushless Speed Controller Online in India
Purchase the DYS 20A Multi-copter Brushless Speed Controller 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 DYS 20A Multi-copter Brushless Speed Controller with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.