Matek ELRS CRSF To SBUS Converter

AVAILABILITY: In Stock (9 items)

$10.80

Brand:  Matek Systems

9 in stock

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    Matek ELRS CRSF To SBUS Converter

    Matek ELRS CRSF To SBUS Converter

    $10.80

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    Use this CRSF to SBUS converter board to connect and convert your ELRS signal to SBUS or vice versa.

    ELRS CRSF To SBUS Converter
    • Compatible with CRSF/SBUS protocol receiver
    • Support CRSF to SBUS, or SBUS to CRSF conversion
    • Battery voltage(RxBt) telemetry over CRSF protocol
    • CRSF to SBUS latency <7ms
    • Rated voltage: 4~5.5V @5V pad,  0~36V @VBAT pad
    • No 5V regulator built-in,  VBAT pad is just for battery voltage sensing
    • PCB size 15mm x 10mm,  0.6g
    • 2pcs / package
    LED Status
    • Slow Blinks: CRSF-SBUS board doesn’t receive CRSF or SBUS signal, e.g., receiver is not bound with transmitter, receiver is not connected to UART of CRSF-SBUS board.
    • Solid ON: CRSF-SBUS board and receiver are working normally.



    Upgrade CRSF-SBUS via A or B

    A. USB-TTL modules,  such as CP210x,  FTDI

    1. Wiring

    • TX1  —  USB-TTL module RX
    • RX1  —  USB-TTL module TX
    • 5V  —  USB-TTL module 5V
    • G  —  USB-TTL module GND

    2. Bridge the jumper pad at bottom side with a drop of tin,  or bridge it with tips of tweezer when powering on.

    3. Connect USB-TTL module to PC,

    Blue LED on CRSF-SBUS board will blink fast,  it means CRSF-SBUS board is working in boot mode.

    now you can remove the jumper or remove it after flashing.

    4. Open Matek configurator,  Select COM port of USB-TTL, Baud rate 115200,  Click “Connect”

    5. OpenFile “crsf_sbus_vx.x.x.bin”

    6. Click “Upgrade”

    7. After update, remove the jumper.

    B. INAV/BF serial passthrough

    1. Wiring

    • TX1  —  FC any spare UART_RX
    • RX1  —  FC any spare UART_TX
    • 5V  —  FC 5V or 4V5
    • G  —  FC GND

    2. Bridge the jumper pad at bottom side with a drop of tin,  or bridge it with tips of tweezer when powering on.

    3. Connect FC USB to PC

    Blue LED on CRSF-SBUS board will blink fast,  it means CRSF-SBUS board is working in boot mode.

    now you can remove the jumper or remove it after flashing.

    4. open INAV/BF configurator, connect FC to configurator

    5. click INAV/BF configurator “CLI” tab, type “serialpassthrough x 115200”,  x = UART number -1,  e.g. CRSF-SBUS board connect to FC UART4,  type “serialpassthrough 3 115200”.

    6. Disconnect FC from configurator, make sure USB is still plugged in FC and LED on CRSF-SBUS board is still blinking fast.

    7. Open Matek configurator,  Select COM port of Flight controler,  Baud rate 115200,  Click “Connect”

    8. OpenFile “crsf_sbus_vx.x.x.bin”

    9. Click “Upgrade”

    10. After update, remove the jumper.

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