SBUS 轉 RS232 轉換器 RS232 轉 SBUS | 無人機遙控資料介面板

SBUS 轉 RS232 轉換器 RS232 轉 SBUS

SBUS → RS232 / RS232 → SBUS Converter Board

For UAV, UGV, USV Telemetry & Long-Range Remote Control Systems

概述

這 SBUS to RS232 or RS232 to SBUS directional converter board 是一個 customized professional solution designed for unmanned systems such as 無人機, 在無人車, USVs, and robotic platforms.
It enables reliable conversion between non-standard SBUS remote control signals 和 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:

• Long-range drone remote control

• 無線遙測擴展

• Ground robot control

• Remote vehicle networking

• Industrial automation with RC input

---

Technology Highlights

Advanced Protocol Support (Upgraded Version)

• Fully supports SBUS2 protocol

• Backward compatible with SBU

• 兼容於 無線匯流排 (天空RC / Tiandi Fei)

• 兼容於 他們走了 (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:

• Baud rate: 100 千比特每秒

• Data format: 1 起始位, 2 停止位, 平價

• Inverted logic level

• Packed bit-level channel data (11 bits per channel)

Because of this:

• Most MCUs and computers cannot read SBUS directly

• Even if 100k baud is supported, error rates are extremely high

• No built-in checksum in standard SBUS

• Not suitable for long-distance wired or wireless transmission

---

What Our Module Does

Our converter module:

• Converts SBUS electrical levels → standard logic levels

• Converts non-standard SBUS frames → standard serial data

• Decodes SBUS into directly usable integer channel values

• 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)

• Outputs raw SBUS format (100k baud, 2 停止位, 平價)

• Limited compatibility

• High risk of packet loss

• 受到推崇的 only for special testing purposes

---

2. Adjustable Baud Rate Version (Highly Recommended)

• Converts SBUS to standard serial baud rates:

  • 9600

  • 38400

  • 57600

  • 115200

• Standard format:

  • 1 起始位

  • 1 停止位

  • No parity

• Much lower error rate

• Compatible with most MCUs, radios, and computers

---

3. Adjustable Baud Rate + Adjustable Frame Rate

SBUS frames:

• 25 bytes per frame

• Default frame interval: 7–15 ms

Many telemetry radios, wired links, and wireless networks cannot handle such high frame rates, causing:

• Buffer overflow

• Packet loss

• System freeze

Our module allows frame interval adjustment:

• Adjustable from 20 女士至 500 多發性硬化症

• 14 selectable levels

• 最佳化:

  • Long-range telemetry radios

  • 4G / LTE / IP networks

  • Wireless bridges

---

4. Adjustable Baud Rate + Integrated SBUS Encode / Decode

Without Encoding:

• Users must manually pack 16 channels into SBUS

• Requires:

  • Bit shifting

  • Frame timing control

  • Packet loss detection

  • Complex validation

• High CPU usage

• Risk of:

  • Control jitter

  • Signal instability

  • UAV loss of control

With Integrated Encode / Decode (受到推崇的):

• Module handles:

  • SBUS decoding

  • Channel extraction

  • SBUS re-encoding

• Adds checksum mechanism (XOR)

• Ensures data integrity over:

  • Wireless links

  • Long-distance cables

  • Network transmission

• Greatly improves system safety

---

5. Ultimate Version

Adjustable Baud Rate + Adjustable Frame Rate + Integrated Encode/Decode

This is the most complete solution, combining:

• Protocol conversion

• Frame rate control

• Data integrity protection

• Minimal development effort

非常適合:

• Professional UAV systems

• Industrial unmanned platforms

• Commercial long-range applications

---

Output Data Format (Decoded Version)

Standard SBUS (25 個字節)

• No checksum

• Bit-packed data

• Not human-readable

Our Decoded Output (35 個字節)

• Frame header

• 16 channels × 2 個字節 (integer format)

• Flags byte

• 異或校驗和

Each channel value:

• 範圍: 0–2047

• High byte first, low byte second

• Directly usable by MCU or PC software

---

Electrical & 機械規格

• 電源: 3.3V – 5.5V (預設)

• Wide-voltage version: 風俗 (contact support)

• 接口:

  • SBU: 電壓控制電路, 地線, SBU (3-wire)

  • RS232: 德克薩斯州, 接收, 地線

• 電路板尺寸: 50 × 16 毫米

• Housing:

  • 標準: Transparent heat-shrink tube

  • 可選的: Metal enclosure (anti-static protection)

---

接口 & 連接器選項

• 標準 DB female connector available

• Direct connection to:

  • PC RS232 ports

  • USB-to-RS232 adapters

• 完全兼容 Yutai (宇泰) USB-RS232 cables

  • Tested stable

  • Supports non-standard baud rates

  • Low packet loss

---

Configuration Software

Dedicated PC configuration tool available
Used with our USB programming cable

特徵:

• Baud rate adjustment

• Frame rate selection

• Protocol configuration

• Real-time data monitoring

---

應用場景

• UAV long-range remote control

• Drone telemetry extension

• UGV / USV control systems

• Wireless RC over IP

• Network-based remote operation

• Industrial automation with RC input

• 研究 & development platforms

---

定制選項

• Wide voltage power input

• UART-level version (non-RS232)

• Custom baud rate ranges

• Custom frame formats

• OEM branding

• 電纜 & connector customization

---

常問問題

問: Can this module work with SBUS2 receivers?
是. The module fully supports SBUS2 and is backward compatible.

問: Can it be used over wireless or 4G networks?
是. Adjustable frame rate and checksum make it suitable for wireless and IP transmission.

問: Do I need to understand SBUS protocol?
不. The decode version outputs ready-to-use integer values.

問: Is RS232 mandatory?
不. UART-level versions are available upon request.

---

我們工廠的優勢

• Over 10 years of experience in UAV data transmission

• In-house:

  • Hardware design

  • Firmware development

  • Protocol optimization

• Strict testing for:

  • 信號穩定性

  • Long-duration operation

  • Harsh environments

• Proven deployment in:

  • Public security

  • Industrial UAVs

  • Long-range FPV systems

---

Why Choose Us

• Real engineering solution, not a simple level converter

• 專為 unmanned systems

• Solves real-world problems:

  • Packet loss

  • Frame congestion

  • Data corruption

• Customization support for professional projects

• 可靠的, 穩定的, and field-tested