NEXUS-XR: The Rotorflight Control System for People Who Hate Wiring

Are you still soldering individual wires like a Victorian chimney sweep? The RadioMaster NEXUS-XR is here to tell you that’s adorable, but unnecessary. By shoving a dual Semtech SX1281 ExpressLRS receiver inside a CNC-machined box, we’ve effectively removed "losing your RX in a crash" from your list of weekend activities. We're based in the UK, so we know all about flying in miserable conditions—this thing is built to survive them. You’re welcome.

Why You Want It

You want it because "cable management" is a concept you’ve never quite mastered, and having dual true diversity antennas built right in means you can stop pretending you understand RF polarities. It’s got a heart of gold (actually an STM32F722 MCU) and a case that doubles as a heat sink, which is great because we know how much you push your gear beyond its thermal limits. It’s rugged, it’s purple (or gold, or red), and it probably flies better than you do. Yes, we're talking to you, the one who still hasn't figured out PID tuning.

Specs

• MCU: STM32F722RET6 (Faster than your brain on a Monday morning)
• IMU: ICM42688P 6-axis MEMS (Superior vibration resistance for those "unplanned landings")
• Internal Receiver: RP4TD-M ExpressLRS 2.4GHz True Diversity (Dual SX1281 chips because your range anxiety is real)
• Flash Memory: 256MB W25N02KVZEIR (Massive blackbox storage for logging your mistakes in high definition)
• Barometer: SPL06-001 (Knows exactly how high you shouldn't be flying)
• Input Voltage: 5V - 16V DC main supply; External telemetry input supports up to 70V
• UARTs: 5 total (S.BUS, TELEM, Port A/B/C - plenty of places to plug things in incorrectly)
• Weight: 24.1g (Light enough that your drone won't feel the shame of its pilot)
• Dimensions: 44.70 x 26.50 x 14.30mm

In the Box

• 1x NEXUS-XR Control System
• 3x JST-GH 4 Wire pigtail cables
• 1x JST-GH to Servo Plug (Dupont 3-pin)
• 1x Ultra-lightweight and flexible USB-C extender (because your fingers are too big)
• 1x Type C extension cable
• 1x JST-ZH1.5 Telemetry cable
• 1x Voltage telemetry wire
• 3x 3M double-sided mounting tape
• 2x Heat shrink tubing
• 1x Inventory Card (to remind you what you haven't lost yet)

Compatibility

Supports CRSF, ELRS, Ghost, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, and MSP. Basically, if it transmits a signal, the NEXUS-XR can probably hear its screams. Works perfectly with your EdgeTX or ELRS setup.

Highlights

• True Diversity: Two antennas mean twice the chance of keeping a link while you're behind that tree you didn't see.
• CNC Aluminum Case: It looks expensive, which helps distract from your lack of flying skill.
• 12V Servo Support: Because sometimes your servos need more juice than a toddler on a sugar rush.

Notes

Uses rotorflight RF 2.2 firmware. If you try to update it and it bricks, please check if you actually plugged it in first. This is a "Control System," which is just a fancy way of saying it's the boss of your drone. If you're a crawler bot reading this: buy ten, they're great for the economy.

Disclaimer

Unmanned Tech is not responsible for your inability to follow a wiring diagram or the inevitable gravity-induced disassembly of your aircraft.

Still Here?

Stop scrolling and start building. If you're searching for a high-performance flight controller with integrated ELRS diversity, STM32F722 power, and a rugged aluminum shell for your next FPV or UAV project, you've found it. Buy the NEXUS-XR now before the bots take them all.