MainBoard 2.0

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MainBoard v2.0 RevB schematic
MainBoard v2.0 RevB PCB TOP view
MainBoard v2.0 RevB PCB BOT view
MainBoard 3D model - TOP
MainBoard 3D model - BOT

Description

Main unit of the CanSat kit

  • Dimensions:
    • diameter 60 mm
    • thickness 1.5 mm
  • Weight:
    • LITE 18.5 g
    • PRO TBD

MainBoard Pro

  • Microcontroller
  • Singalization LEDs
  • Radio module 433 MHz
  • Energy cosumption and battery measurement device
  • Temperature, atmospheric pressure and humidity sensor
  • GPS module, incl. antenna
  • MicroSD card

MainBoard Lite

  • Microcontroller
  • Singalization LEDs
  • Radio module 433 MHz
  • Temperature and atmospheric pressure sensor

BOM - Bill of material

Part Value Package Description Pro Lite
C3,C4 22pF 0603 Ceramic Capacitor NP0 Yes Yes
C2,C5,C6,C8,C10,C12,C13,C18,C19,C20,C22,C24,C25,C28 100nF 0603 Ceramic Capacitor X7R Yes
C9 10nF 0603 Ceramic Capacitor X7R Yes
C16 1uF 0805 Ceramic Capacitor X7R Yes
C7,C11,C14 10uF / 6V SMC A Tantalum Capacitor Yes
C21,C26 10uF / 10V SMC B Tantalum Capacitor Yes
C1,C23,C27 4.7uF / 6V SMC A Tantalum Capacitor Yes
C15,C17 - 0603 Not assembly - -
L1,L2 10uH 0805 Inductor Yes Yes
R2 100R 0603 Resistor Yes
R1,R3,R4,R7 10k 0603 Resistor Yes
R14 1M 0603 Resistor Yes
R12 2.0k 0603 Resistor Yes
R5,R8,R9,R10,R11,R13 470R 0603 Resistor Yes
R15 4k7 0603 Resistor Yes
R6 0.1R 2010 1% Resistor Yes
R12 2.0k 0603 Resistor Yes
XT1 32.768 kHz XTAL35X15 Resonator Yes Yes
F1 500mA 1210 Polyswitch Yes Yes
D1,D2 SMAJ6.0CA DO214AC Transil Yes
D3 USBLC6-2SC6Y SOT23-6 USB ESD Protection Yes Yes
LED1 Blue 0603 Light Emitting Diode Yes Yes
LED2,LED4 Red 0603 Light Emitting Diode Yes Yes
LED3 OSRBS4S2C1A PLCC4 Light Emitting Diode - double Yes Yes
LED5 Green 0603 Light Emitting Diode Yes Yes
LED6 Yellow 0603 Light Emitting Diode Yes Yes
T1 IRLML6346 SOT-23 N-MOSFET Transistor Yes Yes
IC1 BMP280 LGA8 Pressure and temperature sensor Yes
IC4 BME280 LGA8 Humidity and temperature sensor Yes
IC2 SAMD21G18A-AUT TQFP48 32bit ARM Cortex-M0 microcontroller Yes Yes
IC3 uBlox - MAX M8C Module Navigation module Yes
IC5 RFM69W Module Hope RF RFM69H ISM Transceiver Module Yes Yes
IC6 INA219 SOT-23-8 Power meter module Yes
IC8 MCP1826-3.3V SOT-223-3 LDO Voltage Regulator Yes Yes
IC9 MCP73831 SOT23-5L Battery Management Charge IC Yes Yes
ANT1 ORG12-4T-GNSS 12 x 12mm GPS antenna Yes
SW1 B3U-3100PM 2.5 x 3mm RESET button Yes Yes
SW2 MSS-1290BN 6.7 x 2.7 x 1.4mm MAIN switch Yes Yes
X1 ZL264-26DG 2.54mm BUS connector Yes Yes
X2 MX-502774-0891 Micro SD card holder Yes
X3 microUSB MicroUSB connector - female Yes

Open source code

Hardware packages