1G RAM only - Eachine Sphere link 5.8Ghz Digital FPV Receiver With DVR HD Support 1080P Output Compa

If you want to update firmwareas following
Steps to use:
1) download this file https://github.com/OpenIPC/sbc-groundstations/releases/download/buildroot-snapshot/runcam_wifilink_sdcard.img
2) flash it to an SD card. Use Win32DiskImager or Balena.
3) Insert it into the Eachine VRX and boot up the system. 

Introduction:Transform your digital FPV experience with the OpenIPC/RubyFPV 5.8G Digital FPV HDMI Receiver—a compact, powerful SBC-based solution designed for ultra-low latency 1080P@90FPS streaming, seamless integration with VR glasses (via HDMI-to-C adapter), and versatile compatibility with OpenIPC/RubyFPV systems. Engineered for FPV enthusiasts, content creators, and professional developers, this receiver delivers pro-grade performance in an all-in-one package, solving core pain points like signal lag, limited compatibility, and cumbersome setup.Trusted by the FPV community for its robust open-source support and industrial-grade design, this receiver balances high-speed wireless connectivity, flexible power options, and intuitive controls—making it the perfect upgrade for your digital FPV drone, VR headset, or ground station setup.

Core Features & User Benefits1. Ultra-Low Latency Streaming — Real-Time FPV & VR ImmersionThe heart of this receiver is its 40-50ms latency paired with high-frame-rate output, delivering a seamless, lag-free experience critical for competitive FPV and immersive VR use:- 720P@120FPS / 1080P@90FPS Output: Delivers buttery-smooth video with minimal motion blur—perfect for high-speed racing, freestyle tricks, and cinematic FPV filming.- 1080P@60FPS Default: Pre-configured for stable, crisp streaming right out of the box, ensuring you're ready to fly in minutes.- Low-Latency Design: Eliminates the 'delay lag' common in basic FPV receivers, keeping your drone/VR experience responsive and intuitive.2. Universal VR Glasses Compatibility (With Adapter)While the receiver features an HDMI interface (not Type-C), it works seamlessly with popular XR glasses (Viture, Rayneo, Xreal) with a simple HDMI-to-Type-C adapter cable (not included):- Direct HDMI Output: No complex software or drivers required—just connect the HDMI-to-C adapter, plug into your glasses, and stream crisp FPV footage directly to your headset.- No Direct Connection Needed: Clarifies compatibility for users, avoiding confusion about port mismatches.3. Dual System Compatibility — OpenIPC & RubyFPV, Pre-Flashed or CustomEngineered for flexibility, this receiver supports two leading open-source FPV platforms, with options for pre-flashed or custom firmware:- Plug-and-Play Pre-Flashed Version (1G RAM + 32GB SD): Comes pre-loaded with OpenIPC firmware—simply power on, connect HDMI/display, and adjust settings via the built-in ground station menu. No technical setup required!- Customizable Base Version (1G RAM): Use BalenaEtcher (free software) to burn OpenIPC/RubyFPV firmware to an 8GB+ microSD card, tailoring the system to your specific needs (e.g., telemetry, DVR, or custom controls).- Wiki & Firmware Support: Access detailed guides via GitHub, RubyFPV, and BalenaEtcher for easy flashing, configuration, and troubleshooting.4. Versatile Power Options — Fly Anywhere, AnytimeDesigned for portability and drone integration, the receiver offers flexible power solutionss for field use, home setup, and in-flight deployment:- 5V USB OTG: Power via portable power banks, USB chargers, or drone USB ports for on-the-go use.- 7-26V DC Input: Directly power from 3S-6S LiPo batteries (3S recommended) via the 5.5x2.1mm DC port—ideal for mounting directly on FPV drones or ground stations.- 3.5W Low Power Draw: Efficient power usage minimizes battery strain, extending flight time or operational duration for extended missions.5. All-in-One Utility — DVR, AP Mode, Ground Station MenuBeyond streaming, the receiver packs a suite of practical features to enhance your FPV workflow:- Built-In DVR: Record 1080P/720P flight footage for post-flight review, content creation, or race analysis. Access recordings via:- SD Card: Insert the microSD into a PC to find the /dvr folder.- AP Mode: Connect to the receiver' s WIFI hotspot (SSID: OpenIPC GS, Password: openipcgs) and stream/download via http://radxa-zero3.local.- Home Network: Access via Sambaa client (credentials: root/root or radxa/radxa) for seamless file sharing.- AP Mode (WIFI): Create a local WIFI hotspot to connect your PC/phone for real-time monitoring, firmware updates, or quick adjustments—no internet required.- Ground Station Menu: Intuitive on-screen menu for modifying air/ground settings, channel selection, and DVR controls.Button Functions:CH+/CH-: Navigate menu items / switch channels.BACK/QA3/OK: Adjust values / confirm selections.AP: Toggle AP mode (OpenIPC) / Quick Action 2 (RubyFPV).REC: Start/stop recording (OpenIPC) / Quick Action 1 (RubyFPV).6. Rugged, Compact Design — FPV Drone & Industrial ReadyAt just 75g (with antenna) and 80×40×24mm, the receiver is built for durability and space-saving integration:- Lightweight Payload: Adds minimal weight to your drone, preserving speed, agilityy, and maneuverability.- Dust-Resistant (IP4X): Protects against dust ingress, ensuring reliable performance in dusty racing tracks or industrial environments.- Wide Temperature Range: Operates from -10°C to 50°C, making it suitable for cold winter flights or hot summer days.- Expandable RF: Upgrade to a dual 8812EU/8812AU adapter setup for stronger signal coverage (note: higher operating temperature with dual adapters).

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