4 layers
2 layers30.2 × 77.8 mm
Laika
AeybelV/Laika_PCBPCB for the Laika Flight Computer
- Size
- 30.2 × 77.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 22
- Nets
- 65
- Pads
- 186
- Tracks, vias
- 441, 27
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 30 Sep 2024
- Updated
- 12 Nov 2024
Overview
Laika is an open-source printed circuit board by AeybelV, from the AeybelV/Laika_PCB repository on GitHub. It is a 2-layer board of 30.2 × 77.8 mm with 22 parts on 65 nets, routed with 441 tracks and 27 vias.
It is built around the MMC5983MA, MS5611-01BA03 and PCA9685PW, with the LSM6DSL and RASPBERRY PI ZERO 2 W among its other parts. Its parts include 7 capacitors, 6 ICs, 5 resistors and 4 connectors. It belongs with the Raspberry Pi (Linux) boards of this library.
Main components
5
MMC5983MA
LGA-16(3x3)-40℃~+105℃ 18bit 2.8V~3.6V 450uA I2C、SPI ±8Gs ±8Gs LGA-16(3x3) 3D Magnetic Sensors ROHSMEMSIC3D Magnetic Sensors
MS5611-01BA03
QFN-8(3x5)QFN-8(3x5) Pressure Sensors ROHSMEASPressure Sensors
PCA9685PW
TSSOP-28-40℃~+85℃ 100kHz~1MHz 16 2.3V~5.5V 25mA 5.5V Built-in PWM TSSOP-28 LED Drivers ROHSNXP SemiconductorsLED Drivers
LSM6DSL
LGA-14(2.5x3)-40℃~+85℃ 1.71V~3.6V 16bit 3uA 4KB IMU (accelerometer + gyroscope) Motion event detection、Synchronization and timestamp SPI、I2C X,Y,Z X,Y,Z ±16g ±2000dps LGA-14(2.5x3) Accelerometers ROHSSTMicroelectronicsAccelerometers
RASPBERRY PI ZERO 2 W
-- Raspberry Pi ROHSRaspberry PiRaspberry Pi
README
README.mdLaika Flight Computer
A modular fight computer PCB centered around the Raspberry Pi Zero 2
Components
- Processor: Raspberry Pi Zero 2 W
- IMU: STMicroelectronics LSM6DSLTR
- Magnetometer: Memsic MMC5983MA
- Barometer: TE Connectivity MS5611
KiCad Libraries
Parts
22| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 50k | Resistor_SMD:R_1206_3216Metric | R1, R2, R3, R4, R5 |
| 4 | 100n | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C6 |
| 2 | 10u | Capacitor_SMD:C_0603_1608Metric | C5, C7 |
| 2 | DF52-8S-0.8H_21_ | Hirose D52:HIROSE_DF52-8S-0.8H_21_ | J1, J4 |
| 1 | 0436500300 | 0436500300:MOLEX_0436500300 | J3 |
| 1 | 1u | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | H3LIS331DLTR | H3LIS331DLTR:QFN300X300X100-16N | U5 |
| 1 | LSM6DSL | Package_LGA:LGA-14_3x2.5mm_P0.5mm_LayoutBorder3x4y | U1 |
| 1 | MMC5983MA | MMC5983MA:MMC5983_PQFN50 | U4 |
| 1 | MS5611-01BA | Package_LGA:LGA-8_3x5mm_P1.25mm | U2 |
| 1 | Micro_SD_Card | Connector_Card:microSD_HC_Molex_47219-2001 | J2 |
| 1 | PCA9685PW | Package_SO:TSSOP-28_4.4x9.7mm_P0.65mm | U6 |
| 1 | RASPBERRY_PI_ZERO_2_W | RPI_Zero2W:MODULE_RASPBERRY_PI_ZERO_2_W | U3 |
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Questions
How big is the Laika PCB?
It measures 30.2 × 77.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Laika use?
22 parts, built around the MMC5983MA, MS5611-01BA03, PCA9685PW and LSM6DSL. 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 Laika KiCad files?
From the AeybelV/Laika_PCB repository on GitHub, at the commit this page was made from: the board is Laika/Laika.kicad_pcb and its schematic Laika/Laika.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Laika design in my own project?
Its repository states no licence, so its author keeps all rights: ask AeybelV before reusing the design.