arduino compatible on-board computer
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Hardware
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LICENSE
README.md

README.md

OBC644-10D

ATmega644/1284-based arduino compatible on-board computer Reference Model

PCB_3D


Features

  • 3.3V system / LVTTL Logic level
  • Two user Power Output with ON-OFF Control
  • ATmega644P or ATmega1284P, 8MHz
  • Size: 45x45mm pin pitch compatible with UP-204GSR Universal PCB
  • microSD hinge socket
  • Two SPI ROM Option (FlashROM, FRAM, etc..) support SO8W and SO8N
  • MPU-9250 9Dof Sensor
  • MS5611 Baromater
  • RX8900 RealTime Clock (TCXO) (Backup Battery Option)
  • INA226 Current Shunt monitor
  • I2C x1, UART x2, SPIx1, UserADCch x8, GPIOx14

System Block

system_diagram

PIN Map

  • VIN has Reverse current protection

Applications

  • analog & Motion Datalogger
  • Energy Harvest sensor
  • DIY Space
  • DIY HAB

Project Environment