Darkmatter Brahma F4 MK II
- Specifications
- Wiring Diagrams
- Photos
- Notes
Main Features
- Target:
BRAHMA_F405 - MCU: STM32F405
- IMU: BMI270
- Analog OSD: AT7456E (SPI 1)
- Barometer: DPS310 (I2C)
- Flash Storage: W25Q256JVEIQ (32MB)
- SD Card Slot: No
- Onboard Receiver: No
- Hardware Inverter: Yes
- Bluetooth: No
- WiFi: No
- Onboard RGB LED: No
- Mounting Holes: M4 30.5x30.5mm
- Dimensions: 37.5x37.5x5mm
- Weight: 9g
Input/Output
- USB Connector: USB C
- Motor Outputs: 8x
- UARTs: 4x
- I2C: Yes
- SWD: Yes
- SPI: Yes
- 3.3V Output: Yes
- 4.5V (VBUS) Output: No
- 5V Output: 2A
- 9V Output: 2A
- Current Sensor: No
- Analog RSSI Input: Yes
- LED Strip Output: Yes
- Buzzer Output: Yes
Pads
UARTs
| Name | Label | Notes |
|---|---|---|
| UART 1 | TX1/RX1 | SBUS |
| UART 2 | RX2 | |
| UART 3 | RX3 | ESC Telemetry |
| UART 4 | TX4/RX4 |
Power
| Name | Label | Count | Notes |
|---|---|---|---|
| 3.3V | 1x | In SWD pinout | |
| 5V | 5V | 5x | |
| 9V | 9V | 1x | |
| Battery Voltage | VBAT | 1x |
ESC Signal
| Name | Label | Notes |
|---|---|---|
| VBAT+ | V | |
| Ground | G | |
| Current | C | |
| Telemetry | T | |
| Signal 1 | 1 | |
| Signal 2 | 2 | |
| Signal 3 | 3 | |
| Signal 4 | 4 | |
| Signal 5 | M5 | |
| Signal 6 | M6 | |
| Signal 7 | M7 | |
| Signal 8 | M8 |
Connectors
ESC 1-4
| Pin | Name | Label |
|---|---|---|
| 1 | Battery Voltage | V |
| 2 | Ground | G |
| 3 | Current | C |
| 4 | Telemetry | T |
| 5 | Signal 1 | M1 |
| 6 | Signal 2 | M2 |
| 7 | Signal 3 | M3 |
| 8 | Signal 4 | M4 |
danger
When using individual ESCs with integrated BECs, please do not connect the 5V OUT of the ESC to the FC, it will cause the FC/ESC to burn.