25kg.cm Wide Range Voltage Serial Bus Servo, High Precision And Large Torque, With Programmable 360 Degrees Magnetic Encoder, Two-Way Feedback, Servo/Motor Mode Switchable
Specifications
- Product type: ST3020 serial bus servo
- Torque: 25kg.cm@12V
- Rotation angle: 360° (0~4095)
- Position sensor resolution: 0.088° (360°/4096)
- Mechanism limit angle: No Limit
- Working voltage: 6 ~ 14 V (typ. 12V)
- Gear: high precision metal gear
- No-load speed: 0.167sec/60° (60RPM)@12V
- Encoder type: 12Bits magnetic encoder
- ID range: 1 ~ 253
- Baudrate: 38400bps ~ 1Mbps (1Mbps by default)
- Feedback: Position, Load, Speed, Input Voltage, Current, Temperature
- No-load current: 200mA@12V
- Locked-rotor current: 2.7A@12V
- Kt: 9.26kg.cm/A
Application Examples
- Servos will provide various feedback like load, position, speed, torque lock, and working mode (servo mode, servo motor mode, etc.) for advanced projects requiring closed-loop automatic control.
- Ideal choice for building quadruped robots, hexapod walkers, robotic arms and other robotic projects requiring multiple servos. (This product provides the open source models as shown in the picture below)
UART Serial Bus Control
- Allows controlling up to 253 serial bus servos at the same time
Note: though one channel UART can control up to 253 serial bus servos, due to the high power of the servos, it is necessary to consider whether the power supply solution is enough when using too many servos. For reference only, the servo driver board is NOT included
Easy to use, Large Torque
- Supports 6.0~14V Wide range Voltage Input, And Can Be Directly Powered By 2S or 3S lithium batteries. Up To 25kg.Cm Torque On 12V Voltage, Suitable For Building Quadruped Robots, Hexapod Walkers, Robotic Arms And Other Robotic Projects Requiring Multiple Servos
Aluminum alloy middle case + Iron-core Motor + Metal Gear Box
- Adopts high-reliability Design, suitable for industrial equipments, robotics, and other application scenarios that require angle or speed closed-loop control
360° Magnetic Encoder High Precision, Longer Lifetime
- Adopts 12-bit high-precision magnetic encoding angle sensor. Compared with the carbon film potentiometer, the angle of the magnetic encoder is enlarged to 360°, and the resolution is increased by 4 times. Since there is a gap and no friction between the magnetic encoder and the radial magnet, the lifetime of the servo is effectively extended.
Acceleration Start-stop Function
- The speed and acceleration values are settable to make the motion effect softer
One Button to Calibrate the Middle Position
360° installation at any position, one button to set the current position as middle position. Easy to install and debug
- In the default program, a hotspot will be created automatically after the servo driver board is turned on. Use your mobile phone to connect to this hotspot, open the browser, and enter the IP address to enter the control interface.
- Click Release to unlock, then turn the servo to the middle position where you need to set
- Click Set Middle Position then confirm.
- Turn the servo to any angle, then click Middle, and the servo will automatically return to the middle position initially set.
Two-Way Feedback
- The Servo Will Provide Various Feedback Like Position, Load, Speed, Input Voltage, Current and Temperature In Real Time
Multiple operation modes suitable for more application scenarios
- Angle servo mode: Default mode, the angle position is controllable at 0~360° degrees
- Speed closed-loop motor mode: Motor mode, intelligently control and maintain speed when the load changes
- Step mode: Can perform step motion relative to the current position
Multi-Loop angle Position control
- Supports angle position control in both positive and negative directions up to 7.5 loops under the default precision setting, but the number of loops will not be saved in case of power loss. Lowering the angle resolution can double the number of control loops
WIKI:www.waveshare.com/wiki/ST3020_Servo
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