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S4A EDU Robotic Controller

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Product Description


  • Board size: 3cm x 6cm
  • Arduino Duemilanove bootloader (Select Board "Duemilanove" in the Arduino IDE)
  • ATmega328P processor @ 16MHz with 32K FLASH, 2K SRAM and 1K EEPROM
  • Dual motor driver rated at 2.5A per motor
  • Motor controller pins can be isolated and used as standard digital and PWM pins
  • 6V - 9V operation with reverse polarity protection
  • Battery voltage monitor on A7
  • Serial Communications / Bluetooth header (GND, VCC, TX, RX) connected to hardware serial D0/D1
  • CP2102 USB serial interface with Mini-B USB socket and 500mA PTC fuse
  • Built in power Switch and Reset button
  • Digital pins on servo compatible 3 pin headers with selectable voltage (+Battery or +5V)
  • Analog pins on 3 pin headers with +5V and Gnd to power sensors
  • D13 LED
  • ISP header
  • Mounting holes are 3mm or 1/8in screws


NOTE: Recent MAC updates removed the drivers for the CP2102 USB chip.
The drivers can be downloaded here.


Several community members have created libraries and tutorials for this board:

GITHUB LIBRARY (Dr. Tomas de Camino Beck)


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