> For the complete documentation index, see [llms.txt](https://docs.gremsy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gremsy.com/gremsy-tiny-series/lynx/hardware-configuration/connection-diagram.md).

# Connection Diagram

<figure><img src="/files/JW93KOuv2o9HQNQYoARu" alt=""><figcaption></figcaption></figure>

Here are clear step-by-step **connection instructions** based on the **LYNX Mainboard Solution Diagram**:

***

### **LYNX Mainboard Connection Guide**

#### **Components Required**

* LYNX&#x20;
* Gremsy Mainboard
* Cube flight controller (e.g., Cube Orange)
* Herelink ground unit (with HDMI/Ethernet & UART support)
* UART cables
* Power source for the mainboard

***

#### **Wiring & Connection Steps**

1. #### **Connect the Gimbal to Mainboard**
   * **UART/Power Cable** from the Lynx connects to the **UART/power port** on the Gremsy Mainboard.
   * **Camera Signal Cable** connects from the gimbal to the **CAMERA SIGNAL port** on the mainboard.
2. #### **Connect Mainboard to Flight Controller**
   * Use **UART cable** from the Gremsy Mainboard to one of the UART ports on the **Cube** flight controller.
   * This enables **MAVLink communication** for camera and gimbal control.
3. #### **Connect Flight Controller to Herelink**
   * Connect the **HDMI or Ethernet output** from the Cube to the **Herelink remote unit**.
   * This streams EO/IR video and enables control via apps like **QGroundControl** or **Gremsy Payload Assistant**.
4. #### **Power Up the System**
   * Supply **15–52 VDC** power input to the mainboard (check onboard regulation).
   * Ensure that the flight controller and Herelink are powered appropriately.

***

#### ✅ **System Functions After Connection**

* Live **PiP video streaming** via HDMI/Ethernet
* **Gimbal and camera control** via MAVLink (e.g., tilt, zoom, mode switch)
* **AI object detection & tracking** (EO)
* Access to **internal 64GB memory** and microSD storage (up to 128GB)

***


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