SBUS to RS232 Converter RS232 to SBUS
SBUS → RS232 / RS232 → SBUS Converter Board
For UAV, UGV, USV Telemetry & Long-Range Remote Control Systems
सिंहावलोकन
This SBUS to RS232 or RS232 to SBUS directional converter board is a customized professional solution designed for unmanned systems such as UAVs, UGVs, USVs, and robotic platforms.
It enables reliable conversion between non-standard SBUS remote control signals और standard serial communication protocols (RS232 or UART-compatible serial).
The module fully solves the long-standing problem of SBUS incompatibility with computers, MCUs, telemetry radios, and network devices, making SBUS data directly usable as a standard serial interface without requiring users to handle complex protocol parsing.
This product is widely used in:
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Long-range drone remote control
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Wireless telemetry extension
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Ground robot control
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Remote vehicle networking
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Industrial automation with RC input
Technology Highlights
Advanced Protocol Support (Upgraded Version)
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Fully supports SBUS2 protocol
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Backward compatible with एसबीयू
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के साथ संगत WBUS (SkyRC / Tiandi Fei)
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के साथ संगत IBUS (FlySky)
This means even the latest SBUS2 receivers can be decoded correctly, ensuring long-term compatibility.
Why SBUS Cannot Be Used Directly
SBUS is a digital control protocol originally developed by Futaba.
Although it looks similar to UART, it is not a standard serial protocol.
SBUS Characteristics:
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Baud rate: 100 kbps
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Data format: 1 start bit, 2 stop bits, even parity
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Inverted logic level
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Packed bit-level channel data (11 bits per channel)
इसके कारण:
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Most MCUs and computers cannot read SBUS directly
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Even if 100k baud is supported, error rates are extremely high
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No built-in checksum in standard SBUS
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Not suitable for long-distance wired or wireless transmission
What Our Module Does
Our converter module:
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Converts SBUS electrical levels → standard logic levels
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Converts non-standard SBUS frames → standard serial data
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Decodes SBUS into directly usable integer channel values
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Optionally re-encodes data back into SBUS format
After conversion, SBUS can be treated like a normal serial port, allowing developers to focus on application logic instead of protocol complexity.
Product Variants & Functional Options
1. 100k Transparent Transmission Version (Not Recommended)
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Outputs raw SBUS format (100k baud, 2 stop bits, even parity)
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Limited compatibility
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High risk of packet loss
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अनुशंसित only for special testing purposes
2. Adjustable Baud Rate Version (Highly Recommended)
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Converts SBUS to standard serial baud rates:
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9600
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38400
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57600
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115200
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Standard format:
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1 start bit
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1 stop bit
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No parity
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Much lower error rate
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Compatible with most MCUs, radios, and computers
3. Adjustable Baud Rate + Adjustable Frame Rate
SBUS frames:
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25 bytes per frame
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Default frame interval: 7–15 ms
Many telemetry radios, wired links, and wireless networks cannot handle such high frame rates, causing:
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Buffer overflow
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Packet loss
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System freeze
Our module allows frame interval adjustment:
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Adjustable from 20 ms to 500 एमएस
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14 selectable levels
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Optimized for:
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Long-range telemetry radios
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4जी / LTE / IP networks
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Wireless bridges
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4. Adjustable Baud Rate + Integrated SBUS Encode / व्याख्या करना
Without Encoding:
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Users must manually pack 16 channels into SBUS
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Requires:
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Bit shifting
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Frame timing control
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Packet loss detection
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Complex validation
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High CPU usage
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Risk of:
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Control jitter
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Signal instability
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UAV loss of control
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With Integrated Encode / व्याख्या करना (अनुशंसित):
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Module handles:
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SBUS decoding
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Channel extraction
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SBUS re-encoding
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Adds checksum mechanism (XOR)
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Ensures data integrity over:
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Wireless links
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Long-distance cables
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Network transmission
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Greatly improves system safety
5. Ultimate Version
Adjustable Baud Rate + Adjustable Frame Rate + Integrated Encode/Decode
This is the most complete solution, combining:
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Protocol conversion
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Frame rate control
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Data integrity protection
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Minimal development effort
Ideal for:
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Professional UAV systems
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Industrial unmanned platforms
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Commercial long-range applications
Output Data Format (Decoded Version)
Standard SBUS (25 bytes)
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No checksum
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Bit-packed data
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Not human-readable
Our Decoded Output (35 bytes)
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Frame header
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16 channels × 2 bytes (integer format)
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Flags byte
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XOR checksum
Each channel value:
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Range: 0–2047
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High byte first, low byte second
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Directly usable by MCU or PC software
Electrical & Mechanical Specifications
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बिजली की आपूर्ति: 3.3V – 5.5V (गलती करना)
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Wide-voltage version: Custom (contact support)
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इंटरफ़ेस:
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एसबीयू: VCC, जी.एन.डी, एसबीयू (3-wire)
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RS232: TX, RX, जी.एन.डी
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PCB size: 50 × 16 मिमी
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Housing:
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मानक: Transparent heat-shrink tube
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वैकल्पिक: Metal enclosure (anti-static protection)
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इंटरफ़ेस & Connector Options
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मानक DB female connector available
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Direct connection to:
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PC RS232 ports
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USB-to-RS232 adapters
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Fully compatible with Yutai (宇泰) USB-RS232 cables
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Tested stable
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Supports non-standard baud rates
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Low packet loss
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Configuration Software
Dedicated PC configuration tool available
Used with our USB programming cable
विशेषताएँ:
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Baud rate adjustment
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Frame rate selection
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Protocol configuration
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Real-time data monitoring
Application Scenarios
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UAV long-range remote control
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Drone telemetry extension
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UGV / USV control systems
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Wireless RC over IP
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Network-based remote operation
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Industrial automation with RC input
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Research & development platforms
Customization Options
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Wide voltage power input
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UART-level version (non-RS232)
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Custom baud rate ranges
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Custom frame formats
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OEM branding
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Cable & connector customization
अक्सर पूछे जाने वाले प्रश्न
क्यू: Can the DB9 connector on the RS232 to SBUS converter board be customized as either a male or female connector?
ए: हाँ, we can provide the DB9 connector as either male or female based on your requirements. By default, the product is shipped with a female DB9 connector. If you have a specific preference, please let us know when placing your order so we can configure it accordingly.
क्यू: Can this module work with SBUS2 receivers?
हाँ. The module fully supports SBUS2 and is backward compatible.
क्यू: Can it be used over wireless or 4G networks?
हाँ. Adjustable frame rate and checksum make it suitable for wireless and IP transmission.
क्यू: Do I need to understand SBUS protocol?
नहीं. The decode version outputs ready-to-use integer values.
क्यू: Is RS232 mandatory?
नहीं. UART-level versions are available upon request.
Our Factory Advantage
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Over 10 years of experience in UAV data transmission
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In-house:
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Hardware design
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Firmware development
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Protocol optimization
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Strict testing for:
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Signal stability
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Long-duration operation
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Harsh environments
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Proven deployment in:
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Public security
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Industrial UAVs
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Long-range FPV systems
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Why Choose Us
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Real engineering solution, not a simple level converter
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Designed specifically for unmanned systems
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Solves real-world problems:
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Packet loss
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Frame congestion
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Data corruption
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Customization support for professional projects
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Reliable, स्थिर, and field-tested
समीक्षा
अभी तक कोई समीक्षा नहीं.