An ESP32-based diversity video receiver for FPV goggles with touchpad UI, rapid spectrum analysis, and 72 selectable frequencies.
FENIX-rx5808-pro-diversity is an ESP32-based diversity video receiver module designed for FPV (First Person View) goggles. It improves analog video reception by automatically switching between two antennas to maintain the strongest signal, and includes a spectrum analyzer to scan and select optimal frequencies. The project solves signal dropout and interference issues common in FPV flying by providing real-time frequency analysis and high-speed antenna diversity.
FPV drone pilots and builders who use FatShark-style analog goggles and want to upgrade their video reception with diversity capabilities and frequency scanning. Electronics hobbyists interested in open-source hardware projects for drone applications.
Developers choose this over commercial receivers because it's open-source, customizable, and provides professional features like 15 kHz antenna switching and spectrum analysis at a DIY cost. The touchpad interface and calibration system offer superior user experience compared to basic button-controlled receivers.
ESP32 diversity video receiver - https://discord.gg/gG2sjjK
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Switches antennas at 15 kHz (once per NTSC video line), minimizing signal dropout and optimizing reception for FPV racing, as detailed in the key features.
Provides rapid scanning of all 72 frequencies with RSSI display, peak detection, and center frequency calculation, enabling precise frequency tuning in real-time.
Uses a GlidePoint circle touchpad for seamless menu navigation and control, demonstrated in the provided YouTube videos for user-friendly operation.
Based on ESP32 with an MIT license, allowing modifications and community-driven improvements, as seen in the fork from sheaivey/rx5808-pro-diversity.
Requires soldering SMD components (e.g., 0603 capacitors and resistors) and precise wiring, making it inaccessible for those without advanced electronics skills.
Relies on hard-to-source parts like the specific RX5808 module variant and GlidePoint touchpad, which can delay builds and increase costs.
Operates solely via touchpad with no backup button controls or advanced settings menu, as noted by the calibration access method and screen timeout behavior.
Setup and troubleshooting depend on external links, a Discord server, and community support, lacking detailed, step-by-step guides for beginners.