Madflight FC3 RP2350B

Specifications

Target:

MADFLIGHT_FC3

MCU:

RP2350B

IMU:

ICM-45686

OSD:

None, but SPI port and VTX available

Baro:

BMP390

Blackbox:

MicroSD card

Measurements:

Size: 50.7x41.6x4.4mm

Mounting: 30.5x30.5mm

Weight: 6.3g

Other Features

• SD Card Slot: Yes
• Onboard Receiver: No
• Hardware Inverter: No
• Bluetooth: No
• WiFi: No
• Onboard RGB LED: Yes

Information

info

madflight FC3 Documentation

info

madflight FC3 Store

Input/Output

• USB Connector: USB C
• Motor Outputs: 8x
• UARTs: 4x (2x hardware, 2x PIO)
• I2C: Yes
• SWD: Yes
• SPI: Yes
• 3.3V Output: Yes
• 4.5V (VBUS) Output: No
• 5V Output: 2A
• 12V Output: No
• Current Sensor: Yes
• Analog RSSI Input: Yes
• LED Strip Output: Yes
• Buzzer Output: Yes

Pads

UARTs

Name	Notes
USB VCP
UART0	RC Input
UART1	GPS
PIOUART0	User, ESC Telem, VTX
PIOUART1	User, ESC Telem, VTX

Connectors

2.54mm Pin Header - First Row

Pin Number	GPIO	Signal Name
1	0	UART0_TX
2	1	UART0_RX
3	5.0V
4	GND
5	2	I2C1_SDA
6	3	I2C1_SCL
7	4	UART1_TX
8	5	UART1_RX
9	5.0V
10	GND
11	6	MOTOR1
12	7	MOTOR2
13	8	MOTOR3
14	9	MOTOR4
15	3.3V
16	GND

2.54mm Pin Header - Second Row

Pin Number	GPIO	Signal Name
1	10	PIOUART0_TX
2	11	PIOUART0_RX
3	5.0V
4	GND
5	12	LED1_PIN
6	13	LED2_PIN
7	14	PIOUART1_TX
8	15	PIOUART1_RX
9	5.0V
10	GND
11	16	MOTOR5
12	17	MOTOR6
13	18	MOTOR7
14	19	MOTOR8
15	3.3V
16	GND

2.54mm Pin Header - Third Row

Pin Number	GPIO	Signal Name
1	20	unused
2	21	unused
3	5.0V
4	GND
5	22	PINIO1_PIN
6	23	PINIO2_PIN
7	24	PINIO3_PIN
8	25	PINIO4_PIN
9	5.0V
10	GND
11	40	ADC_RSSI_PIN
12	41	ADC_CURR_PIN
13	42	ADC_EXTERNAL1_PIN
14	43	unused
15	3.3V
16	GND

Photos