FPV NEURON 70AF4 — STM32F405 Flight-Controller + 70 A 4-in-1 ESC Stack
Overview
The NEURON 70AF4 Stack combines a 168 MHz STM32F405 flight controller with a formidable 70 A 4-in-1 BLHeli-Suite 32 ESC, neatly packed into the standard 30.5 × 30.5 mm footprint. Engineered for power-hungry 5–7 inch racers, freestyle builds and cine-lifters, it delivers crisp gyro data from the ICM42688, 16 MB of Blackbox flash for meticulous tuning, and robust dual-voltage BECs (5 V @ 3 A & 10 V @ 2.5 A) to feed HD systems or LEDs with headroom to spare.
Key Features
- STM32F405 MCU – 168 MHz for ultra-fast control loops and Betaflight 10.10 support
- ICM42688 6-axis gyro – low-noise 32 kHz sampling for precise handling
- 70 A continuous (80 A / 10 s burst) 4-in-1 ESC – BLHeliSuite16 firmware with DSHOT 150/300/600
- Dual BECs – 5 V @ 3 A for RX/LEDs & 10 V @ 2.5 A for HD VTX or DJI/Avatar air unit
- 16 MB Blackbox – extensive log capacity for PID optimisation and fault tracing
- 5 UARTs – connect GPS, ELRS, smart audio, OSD and more without compromise
- Integrated 160 A current sensor and four addressable status LEDs
- Standard 30.5 × 30.5 mm / Ø4 mm mounting with vibration-damping grommets included
Specifications
| Processor | STM32F405 |
| Gyro / IMU | ICM42688 |
| Memory | 16 MB Blackbox flash |
| ESC Firmware | BLHeliSuite 32 (BLHeli_32) |
| Continuous Current | 55 A × 4 |
| Burst Current | 60 A (10 s) |
| Input Voltage | 2 – 6 S LiPo |
| BEC Outputs | 5 V @ 3 A | 10 V @ 2.5 A |
| UART Ports | 5 |
| Current Sensor | 160 A |
| LED Channels | 4 addressable LEDs |
| Mounting | 30.5 × 30.5 mm, Ø4 mm |
| Weight | 24 g (stack) |
| Firmware Target | CADX-CADDXF4 |
Who Is It For?
From power-dense 5-inch screamers to 7-inch long-range cruisers and heavy-lift cine drones, the NEURON 70AF4 supplies the current, stability and telemetry you need to fly harder, faster and farther without compromise.
Upgrade your powertrain today
Add the NEURON 70AF4 Stack to your cart and experience uncompromising performance on your next flight.
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