# Overview

### Features <a href="#toc515977828" id="toc515977828"></a>

* STM32F405 MCU running at 168 MHz
* High-Precision / low-noise ICM-42688-P IMU
* 2 On-board BEC output 5V, 5V/7.2V
* On-board voltage & current sensor
* Integrated SPL06 barometer
* I2C port Support
* Small & low-profile design fits into compact frames
* Supports INAV (7.1.2 & later), Ardupilot (4.5.6 & later), Betaflight (4.5.2 & later)

### Specifications

* MCU: STM32F405RGT6, 168 MHz, 192KB RAM, 1MB Flash
* IMU: ICM-42688P (SPI1)
* Baro: SPL06 (I2C2)
* OSD: AT7456E (SPI2)
* Onboard Blackbox: 128Mbits (SPI3)
* 5x Uarts (1,2,3,5,6) and R3 is with built-in inversion
* 7x PWM output, PWM7 used for NeoPixel LED by default
* 2x ADC (Bat1/Curr1)
* 1x I2C (the I2C2 is for external devices, also for onboard sensors)
* 2x LEDs for FC STATUS (Blue) and 3.3V indicator (Green)
* USB/DFU Key Extender with USB Type-C
* High-precision Current Sense (110A continuous, 132A peak)
* Battery Voltage Sensor: 1K:10K (Scale 1100 in INAV, BATT\_VOLT\_MULT 11 in ArduPilot, Scale 110 in Betaflight)
* Static power 110mA @5V

### **Power Board**

* Input voltage range: 7.4\~ 36V (2\~ 8S LiPo)
* 2x ESC power pads
* Current Sense: 110A continuous, 132A peak. (Scale 250 in INAV, 40 A/V in ArduPilot,Scale 250in Betaflight)

### **BEC 5V output**

* Designed for FC, Receiver, OSD, Camera, 2812 LED Strip,  GPS,Telemetry,etc.
* Output 5.3 +/- 0.1V DC
* Continuous current 3 Amps, 4.8A Peak

### **BEC VS output**

* Designed for Servos
* Voltage adjustable, 5.3V Default, 7.2V option with Jumper pad
* Continuous current 3 Amps, 4.8A Peak

### **BEC 3.3V output**

* Linear Regulator
* Continuous current: 150mA

### **Mechanical**

* Mounting: 20 x 20mm, M2 hole
* Dimensions: 25x 30 x 20 mm
* Weight: 17g with USB extension board