The Scorpion XXL [Driver Motor 25A]


The Scorpion XXL contains the following features:

  • 20A continuous current (45A peak) each on Left and Right channels.
    25A continuous current with fan cooling
  • 6.0V to 28V battery voltage
  • Full current limiting and over temp limiting. Nearly blow proof!
  • Size: 3.27” x 2.27” x .5”
  • Weight: 1.8 oz (52g) with servo leads but without enclosure
  • Two R/C input leads and one pin header for:
    • Steering/Throttle or Left/Right Control – fully reversible H-bridge channels
    • Flip Control – reverses controls if robot is flipped over (optional)
  • 2 Indicator LEDs for Left/Right speed and direction. A status LED shows the R/C signal status and other information
  • Left/Right channel mixing or separate channel control option
  • Brake/Coast at zero speed option
  • Linear/Exponential steering response option
  • Lipo battery cutoff option
  • Switching style 5V regulator eliminates battery voltage worries and provides increased current on the 5V rail for the newer 2.4GHz radio receivers. Works without jumpers from 6V to 28V
  • Receiver battery eliminator circuit (BEC) standard – may be disabled. This can provide up to 200 mA of current at 5V to the RC receiver and other attached electronic circuits.
  • Failsafe shuts off motors if R/C signal is lost
  • Calibration function to match Scorpion to your radio or other signal source – settings stored in EEPROM
  • FLASH-based microcontroller with upgradeable software via in-circuit programming header
  • Remote power switch connections to turn unit off without breaking the main power connection


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