2 layers60 × 52 mm
2 layers57.2 × 57.2 mm
Flight Computer
explosion33/IREC1SARP Payload DomeCracker Gyro 2024-2025
- Size
- 57.2 × 57.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 89
- Nets
- 84
- Pads
- 327
- Tracks, vias
- 1,472, 107
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 25 Jul 2024
- Updated
- 13 Jun 2025
Overview
Flight Computer is an open-source printed circuit board by explosion33, from the explosion33/IREC repository on GitHub, published under the MIT licence. It is a 2-layer board of 57.2 × 57.2 mm with 89 parts on 84 nets, routed with 1,472 tracks and 107 vias.
It is built around the STM32F401CCU6, LM2576S-5.0 and W25Q32JVSSIQ, with the AMS1117-3.3, BNO055 and AMT102-V among its other parts. Its parts include 22 capacitors, 21 resistors, 9 connectors, 6 ICs and 6 transistors. It belongs with the STM32 boards of this library.
Main components
8
STM32F401CCU6
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)
LM2576S-5.0
TO-263-5-40℃~+125℃@(TJ) 1 3A 4V~40V 52kHz 5V 5mA Buck Built-in Fixed No Step-down type TO-263-5 DC-DC Converters ROHSSlkorDC-DC Converters
W25Q32JVSSIQ
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 FLASH
AMS1117-3.3
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) Regulators
BNO055
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 SensortecAccelerometersAMT102-V
-- Rotary Encoders ROHSCUIRotary Encoders
PMEG4050EP
SOD-1281 Independent 300uA@40V 40V 490mV@5A 5A 70A SOD-128 Schottky Diodes ROHSNexperiaSchottky Diodes
TYPE-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
Flight_Computer/README.mdRCS_Hardware
SARP 2023 RCS Flight Controller KiCAD project
Components
- STM32F401CCU6
- BNO055
- BMP280
- LIS2HH12 (TODO)
- W25Q32JVXX
- USB-C
- Battery Connector
Parts
89| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C5, C6, C7, C8, C15, C16, C20 |
| 8 | 1K | Resistor_SMD:R_0402_1005Metric | R13, R16, R17, R18, R20, R22, R23, R24 |
| 7 | 1k | Resistor_SMD:R_0402_1005Metric | R3, R8, R9, R14, R15, R19, R21 |
| 6 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6 |
| 6 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP4, JP5, JP6, JP10, JP11, JP12 |
| 6 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1, JP2, JP3, JP7, JP8, JP9 |
| 4 | 10k | Resistor_SMD:R_0402_1005Metric | R4, R5, R6, R7 |
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 3 | LED | LED_SMD:LED_0603_1608Metric | D1, D2, D3 |
| 2 | 10pF | Capacitor_SMD:C_0402_1005Metric | C2, C3 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C10, C11 |
| 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 | AMT102 | Connector_JST:JST_SH_SM05B-SRSS-TB_1x05-1MP_P1.00mm_Horizontal | J6, J8 |
| 1 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C19 |
| 1 | 100uF | Capacitor_SMD:C_0805_2012Metric | C27 |
| 1 | 10nF | Capacitor_SMD:C_0402_1005Metric | C9 |
| 1 | 10uF | Capacitor_SMD:C_0402_1005Metric | C4 |
| 1 | 120R | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | 150uH | Inductor_SMD:L_TaiTech_TMPC1265_13.5x12.5mm | L1 |
| 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 | 470uF | Capacitor_SMD:CP_Elec_10x10.5 | C28 |
| 1 | 5V | TestPoint:TestPoint_THTPad_2.5x2.5mm_Drill1.2mm | J4 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | BNO055 | Package_LGA:LGA-28_5.2x3.8mm_P0.5mm | U4 |
| 1 | FC_RF | Connector_FFC-FPC:Molex_200528-0080_1x08-1MP_P1.00mm_Horizontal | J7 |
| 1 | GND | TestPoint:TestPoint_THTPad_2.5x2.5mm_Drill1.2mm | J5 |
| 1 | I2C | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | LM2576S-5 | Package_TO_SOT_SMD:TO-263-5_TabPin3 | U6 |
| 1 | LOGO | LOGO | G*** |
| 1 | Motor | Connector_JST:JST_SH_SM02B-SRSS-TB_1x02-1MP_P1.00mm_Horizontal | J10 |
| 1 | PMEG4050EP | Diode_SMD:D_SOD-128 | D5 |
| 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 | TMP102xxDRL | Package_TO_SOT_SMD:SOT-563 | U3 |
| 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 |
Questions
How big is the Flight Computer PCB?
It measures 57.2 × 57.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Flight Computer use?
89 parts, built around the STM32F401CCU6, LM2576S-5.0, 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 Flight Computer KiCad files?
From the explosion33/IREC repository on GitHub, at the commit this page was made from: the board is Flight_Computer/fc.kicad_pcb and its schematic Flight_Computer/fc.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Flight Computer 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).
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