

ARES FC
SARP Payload ARES 2024-2025
- Size
- 57.2 × 57.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 67
- Nets
- 83
- Pads
- 294
- Tracks, vias
- 751, 466
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 25 Jul 2024
- Updated
- 8 Mar 2025
Overview
ARES FC is an open-source printed circuit board by explosion33, from the explosion33/ARES repository on GitHub, published under the MIT licence. It is a 2-layer board of 57.2 × 57.2 mm with 67 parts on 83 nets, routed with 751 tracks and 466 vias.
It is built around the STM32F401CCU6, BMP280 and W25Q32JVSSIQ, with the AMS1117-3.3, BNO055 and TYPE-C-31-M-12 among its other parts. Its parts include 23 capacitors, 16 resistors, 8 connectors, 6 ICs and 4 diodes. It belongs with the STM32 boards of this library.
Main components
6STM32F401CCU6
UFQFPN-48(7x7)-40℃~+85℃ 1.7V~3.6V 12bit 256KB 32 Bit 36 64KB 84MHz ARM Cortex-M4 Built-in FLASH UFQFPN-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)BMP280
LGA-8(2x2.5)-40℃~+85℃ 0.12hpa 1.5pa/K 1.71V~3.6V 1hpa 300nA 30Kpa~1.1bar I2C、SPI Integrated ADC and digital interface、On-chip calibration and non-volatile storage、Standby mode、On-chip temperature output LGA-8(2x2.5) Pressure Sensors ROHSBoschPressure SensorsW25Q32JVSSIQ
SOIC-8-208mil-40℃~+85℃ 100,000 cycles 133MHz 1uA 2.7V~3.6V 20 Years 32Mbit 3ms SPI SOIC-8-208mil NOR FLASH ROHSWinbondNOR FLASHAMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsBNO055
LGA-28(3.8x5.2)-40℃~+85℃ 2.4V~3.6V 40uA I2C、UART IMU X,Y,Z X,Y,Z ±16g ±2000dps LGA-28(3.8x5.2) Accelerometers ROHSBosch SensortecAccelerometersTYPE-C-31-M-12
SMD-30℃~+80℃ 1 10,000 cycles 16P 20V 5A 7.35mm Female Surface Mount, Right Angle Type-C SMD USB Connectors ROHSHRO ElectronicsUSB Connectors
README
Hardware/Flight_Computer/README.mdRCS_Hardware
SARP 2023 RCS Flight Controller KiCAD project

Components
- STM32F401CCU6
- BNO055
- BMP280
- LIS2HH12 (TODO)
- W25Q32JVXX
- USB-C
- Battery Connector
Parts
67| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C5, C6, C7, C8, C15, C16, C19, C20, C23, C24 |
| 4 | 10k | Resistor_SMD:R_0402_1005Metric | R4, R5, R7, R14 |
| 4 | 4.7k | Resistor_SMD:R_0402_1005Metric | R12, R13, R15, R16 |
| 4 | LED | LED_SMD:LED_0603_1608Metric | D1, D2, D3, D4 |
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 3 | 1k | Resistor_SMD:R_0402_1005Metric | R3, R8, R9 |
| 3 | 1uF | Capacitor_SMD:C_0402_1005Metric | C10, C11, C21 |
| 3 | 470 | Resistor_SMD:R_0402_1005Metric | R6, R10, R11 |
| 2 | 10pF | Capacitor_SMD:C_0402_1005Metric | C2, C3 |
| 2 | 22pF | Capacitor_SMD:C_0402_1005Metric | C17, C18 |
| 2 | 22uF | Capacitor_SMD:C_0805_2012Metric | C13, C14 |
| 2 | 5.11k | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 2 | Conn_01x04_Pin | Connector_JST:JST_SH_BM04B-SRSS-TB_1x04-1MP_P1.00mm_Vertical | J7, J8 |
| 1 | 10nF | Capacitor_SMD:C_0402_1005Metric | C9 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | 120R | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | 2.2uF | Capacitor_SMD:C_0402_1005Metric | C12 |
| 1 | 32.768kHz | Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y2 |
| 1 | 5V | TestPoint:TestPoint_THTPad_2.5x2.5mm_Drill1.2mm | J4 |
| 1 | 600R | Inductor_SMD:L_0603_1608Metric | FB2 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | Antenna | Connector_Coaxial:U.FL_Molex_MCRF_73412-0110_Vertical | AE1 |
| 1 | BMP280 | BMP280:XDCR_BMP280 | U3 |
| 1 | BNO055 | Package_LGA:LGA-28_5.2x3.8mm_P0.5mm | U4 |
| 1 | FC_M/P | Connector_FFC-FPC:Molex_200528-0080_1x08-1MP_P1.00mm_Horizontal | J3 |
| 1 | FC_RF | Connector_FFC-FPC:Molex_200528-0080_1x08-1MP_P1.00mm_Horizontal | J6 |
| 1 | GND | TestPoint:TestPoint_THTPad_2.5x2.5mm_Drill1.2mm | J5 |
| 1 | LOGO | LOGO | G*** |
| 1 | PA1616S | CD-PA1616D:XCVR_CD-PA1616D | U6 |
| 1 | STM32F401CCU6 | Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm | U1 |
| 1 | SWD | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | TYPE-C-31-M-12 | USBC:HRO_TYPE-C-31-M-12 | J2 |
| 1 | W25Q32JVSS | Package_SO:SOIC-8_5.23x5.23mm_P1.27mm | U5 |
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Questions
How big is the ARES FC PCB?
It measures 57.2 × 57.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ARES FC use?
67 parts, built around the STM32F401CCU6, BMP280, W25Q32JVSSIQ and AMS1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the ARES FC KiCad files?
From the explosion33/ARES repository on GitHub, at the commit this page was made from: the board is Hardware/Flight_Computer/ARES_FC.kicad_pcb and its schematic Hardware/Flight_Computer/ARES_FC.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the ARES FC design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).