Easy Motor

Easy Motor
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Product Information

EasyMotor is designed for in-flight characterization of research rocket motors. It records chamber pressure and acceleration to an on-board flash memory chip, the contents of which can be downloaded after flight over USB.


User View

  • Data logger storing motor chamber pressure and acceleration
  • works with inexpensive 5V analog output pressure sensors
  • USB for configuration, data recovery, and battery charging
  • Designed for use with a single-cell LiPo battery
  • 1.5 x 0.8 inch board

Developer View

  • Hardware Features

    • NXP LPC11U14 System-on-Chip
      • ARM Cortex-M0 MCU
      • 32k Flash
      • 6k RAM
      • USB 2.0
      • 8 12-bit analog inputs
      • I2C, SPI, async serial
      • digital I/O
    • Analog Devices ADXL375 3-Axis Digital MEMS Accelerometer
      • +- 200g full-scale
      • on-chip digitizer
    • on-board USB-based charger for single-cell LiPo battery
    • low noise 5V switching regulator to power pressure sensor
    • precision divider with 0.1% resistors to scale pressure sensor analog output to match SOC analog input voltage range
  • Software Features

    • Written mostly in C with some ARM assembler
    • Runs from on-chip flash, uses on-chip RAM, stores flight data to serial flash
    • USB serial emulation for "console" interface
  • Tools Used

  • Licenses

Mounting examples can be found here:



Earn Reward Points: 120

Earn Discount: $3.60

Product Code3446
ManufacturerAltus Metrum
Stock Level7

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