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Adding description for Thunderfly cables.
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| layout: page | ||
| title: "TFCAB01: ThunderFly Pixhawk Compatible Cabling System" | ||
| permalink: /avionics/TFCAB01/ | ||
| parent: "Communication & Interfaces" | ||
| nav_order: "50" | ||
| --- | ||
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| # TFCAB - ThunderFly Pixhawk Compatible Cabling System | ||
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| TFCABxxyy01 cables are high-quality silicone cables designed for avionics applications in Pixhawk-based drone systems. These cables ensure reliable connectivity, enhanced mechanical resistance, and reduced electromagnetic interference (EMI). Each cable type follows a structured color-coding scheme to ensure easy identification and reduce connection errors. | ||
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| ## Available Cable Variants | ||
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| ThunderFly offers three main cable types: | ||
| - **I²C Cables**: Used for I²C bus communication. | ||
| - **UAVCAN Cables**: Designed for CAN bus communication. | ||
| - **UART/TELEM/SERIAL Cables**: Used for serial data transmission. | ||
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| Each cable type is available in different lengths (15 cm, 30 cm, and 45 cm). All cables use **JST-GH connectors** for robust and secure connections. | ||
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| ## I²C Cables | ||
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| The TFCABxxI2C01 series is optimized for **I²C communication**, featuring twisted design to minimize internal cross-talk and capacitance. This ensures reliable data transmission in avionics environments. | ||
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| ### Specifications | ||
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| - **Lengths**: 15 cm, 30 cm, 45 cm | ||
| - **Connector Type**: JST-GH | ||
| - **Number of Pins**: 4 | ||
| - **Designed for**: I²C bus | ||
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| ### Pinout and Color Coding | ||
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| | Pin Number | ThunderFly Color | Signal | | ||
| |------------|-----------------|--------| | ||
| | 1 |  Red | VCC (5.4V) | | ||
| | 2 |  Yellow | SCL | | ||
| | 3 |  Green | SDA | | ||
| | 4 |  Black | GND | | ||
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| ### Cable Twisting | ||
| - **10 turns per 30 cm** for SCL/VCC and SDA/GND pairs. | ||
| - **4 turns per 30 cm** for the combined cable. | ||
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| ## UAVCAN Cables | ||
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| The TFCABxxCAN01 series is designed for **UAVCAN communication**, optimized for EMI resistance through specific cable twisting. | ||
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| ### Specifications | ||
| - **Lengths**: 15 cm, 30 cm, 45 cm | ||
| - **Connector Type**: JST-GH | ||
| - **Number of Pins**: 4 | ||
| - **Designed for**: CAN bus | ||
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| ### Pinout and Color Coding | ||
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| | Pin Number | ThunderFly Color | Signal | | ||
| |------------|-----------------|--------| | ||
| | 1 |  Red | VCC (5.4V) | | ||
| | 2 |  White | CAN_H | | ||
| | 3 |  Yellow | CAN_L | | ||
| | 4 |  Black | GND | | ||
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| ### Cable Twisting | ||
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| - **10 turns per 30 cm** for GND/VCC and CAN_L/CAN_H pairs. | ||
| - **4 turns per 30 cm** for the combined cable. | ||
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| ## UART/TELEM/SERIAL Cables | ||
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| The TFCABxxUART01 series is used for **serial communication**, connecting autopilots and peripherals. UART cables do not support networking and must be connected directly. | ||
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| ### Specifications | ||
| - **Lengths**: 15 cm, 30 cm, 45 cm | ||
| - **Connector Type**: JST-GH | ||
| - **Number of Pins**: 6 | ||
| - **Designed for**: Serial (UART, TELEM, etc.) | ||
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| ### Pinout and Color Coding | ||
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| | Pin Number | ThunderFly Color | Signal | | ||
| |------------|-----------------|--------| | ||
| | 1 |  Red | VCC (5.4V) | | ||
| | 2 |  White | TX | | ||
| | 3 |  Green | RX | | ||
| | 4 |  Blue | CTS | | ||
| | 5 |  Yellow | RTS | | ||
| | 6 |  Black | GND | | ||
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| ### Important Notes | ||
| - **UART cables should be kept as short as possible** to minimize EMI interference. | ||
| - **Twisting is not recommended** for UART cables to prevent increased cross-talk. | ||
| - **Straight-through wiring**: Ensure that RX/TX and RTS/CTS are properly swapped in devices. | ||
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| ## Where to Buy | ||
| TFCAB cables can be purchased from ThunderFly’s [Tindie store](https://www.tindie.com/products/30113/) or via direct email inquiry at [email protected]. | ||
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| For additional details, visit the [ThunderFly website](https://www.thunderfly.cz/). | ||
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