

Flight Computer
- Size
- 82 × 38 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 65
- Nets
- 98
- Pads
- 304
- Tracks, vias
- 430, 28
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 9 Nov 2024
- Updated
- 10 Nov 2024
Overview
Flight Computer is an open-source printed circuit board by Tim-Drake0, from the Tim-Drake0/Flight-Computer repository on GitHub. It is a 2-layer board of 82 × 38 mm with 65 parts on 98 nets, routed with 430 tracks and 28 vias.
It is built around the TEENSY 4.1, MS5611-01BA03 and ADXL375BCCZ, with the ICM-42670-P, L7805 and RFM95W-868S2 among its other parts. Its parts include 22 resistors, 10 capacitors, 8 ICs, 7 connectors and 5 transistors. It belongs with the NXP (LPC, Kinetis, i.MX RT) boards of this library.
Main components
9TEENSY 4.1
Development Boards & Kits - ARM ModuleSparkFun ElectronicsUncategorisedMS5611-01BA03
QFN-8(3x5)QFN-8(3x5) Pressure Sensors ROHSMEASPressure SensorsADXL375BCCZ
LGA-14(3x5)-40℃~+85℃ 100nA 16bit 2V~3.6V Accelerometer SPI、I2C X,Y,Z ±200g LGA-14(3x5) Accelerometers ROHSAnalog DevicesAccelerometersICM-42670-P
LGA-14(2.5x3)-40℃~+85℃ 1.71V~3.6V 16bit 2.25KB 3.5uA IMU (accelerometer + gyroscope) Motion event detection SPI、I2C、I3C X,Y,Z X,Y,Z ±16g ±2000dps LGA-14(2.5x3) Accelerometers ROHSTDK InvenSenseAccelerometersL7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsRFM95W-868S2
16-SMD16-SMD New Arrivals ROHSHopeRF Micro-electronicsUncategorisedSIS454DN
PowerPAK1212-8-55℃~+150℃ 1 N-channel 1.9nF 18.5nC@10V 2.2V 20V 3.7mΩ@10V 33W 35A 390pF PowerPAK1212-8 MOSFETs ROHSVishay IntertechnologyMOSFETsMMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)PS1240P02BT
插件,D=12.2mm-10℃~+70℃ 12.2mm 30V 3V 4kHz 5mm 7.8mm 70dB Passive (Externally Driven) Piezoelectric 插件,D=12.2mm Buzzers ROHSTDKBuzzers
README
README.mdFlight-Computer
Download and open bom.html for interactive BOM.

Parts
65| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10, R11, R17, R18 |
| 4 | 4.7k | Resistor_SMD:R_0805_2012Metric | R14, R15, R21, R22 |
| 4 | 5k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R12, R13, R19, R20 |
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 4 | SiS454DN | Package_SO:Vishay_PowerPAK_1212-8_Single | Q2, Q3, Q4, Q5 |
| 4 | TestPoint | TestPoint:TestPoint_Keystone_5000-5004_Miniature | TP1, TP2, TP3, TP4 |
| 3 | 0.1u | Capacitor_SMD:C_0805_2012Metric | C1, C2, C6 |
| 3 | 1k5 | Resistor_SMD:R_0805_2012Metric | R1, R4, R6 |
| 2 | 1k | Resistor_SMD:R_0805_2012Metric | R7, R16 |
| 2 | 22u | Capacitor_SMD:C_0805_2012Metric | C4, C5 |
| 2 | 270 | Resistor_SMD:R_0805_2012Metric | R2, R8 |
| 2 | 91 | Resistor_SMD:R_0805_2012Metric | R3, R9 |
| 1 | 0.01u | Capacitor_SMD:C_0805_2012Metric | C8 |
| 1 | 100 | Resistor_SMD:R_0805_2012Metric | R5 |
| 1 | 10u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10 |
| 1 | 1n | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | 1u | Capacitor_SMD:C_0805_2012Metric | C9 |
| 1 | 2.2u | Capacitor_SMD:C_0805_2012Metric | C7 |
| 1 | 500mA | Fuse:Fuse_0805_2012Metric_Pad1.15x1.40mm_HandSolder | F1 |
| 1 | ACS711xLCTR-25AB | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | ADXL375BCCZ | Added Footprints:LGA_CC-14-1_ADI | U6 |
| 1 | BLUE | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_1.27mm:PinHeader_1x02_P1.27mm_Horizontal | J1 |
| 1 | Conn_02x06_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Vertical | J3 |
| 1 | Conn_Coaxial_Small | Connector_Coaxial:SMA_Samtec_SMA-J-P-H-ST-EM1_EdgeMount | J7 |
| 1 | Conn_Coaxial_Small | Connector_Coaxial:U.FL_Hirose_U.FL-R-SMT-1_Vertical | J6 |
| 1 | GRN | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | ICM-42670-P | Added Footprints:XDCR_ICM-42670-P | U4 |
| 1 | L7805 | Added Footprints:D2PAK_STM | U2 |
| 1 | MMBT3904 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | MS5611-01BA | Package_LGA:LGA-8_3x5mm_P1.25mm | U1 |
| 1 | PS1240P02BT | Added Footprints:XDCR_PS1240P02BT | LS1 |
| 1 | RED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | RFM95W-868S2 | RF_Module:HOPERF_RFM9XW_SMD | U8 |
| 1 | SAM-M10Q-0-10 | RF_GPS:ublox_SAM-M8Q_HandSolder | U5 |
| 1 | Screw_Terminal_01x04 | Connector_Phoenix_MC:PhoenixContact_MC_1,5_4-GF-3.5_1x04_P3.50mm_Horizontal_ThreadedFlange_MountHole | J5 |
| 1 | Screw_Terminal_01x08 | Connector_Phoenix_MC:PhoenixContact_MC_1,5_8-GF-3.5_1x08_P3.50mm_Horizontal_ThreadedFlange_MountHole | J4 |
| 1 | Teensy4.1 | teensy.pretty-master:Teensy41 | U7 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Amphenol_10118193-0001LF_Horizontal | J2 |
Questions
How big is the Flight Computer PCB?
It measures 82 × 38 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Flight Computer use?
65 parts, built around the TEENSY 4.1, MS5611-01BA03, ADXL375BCCZ and ICM-42670-P. 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 Tim-Drake0/Flight-Computer repository on GitHub, at the commit this page was made from: the board is v0.5.kicad_pcb and its schematic v0.5.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 states no licence, so its author keeps all rights: ask Tim-Drake0 before reusing the design.
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