User`s manual

1.3 On-board hardware features:

• On-board USB interface based on the flawless FT232RL for programming and debugging

code, no BDM needed.

• Automatic sensing/switching circuit to select power input from USB or AC adapter

• Fuse protection for USB host

• USB TX and RX indicator LEDs

• Arduino shield compatible headers

• 43 I/O pins including analog inputs and PWM outputs

• Bluetooth connector

• RGB color LED

• Light sensor

• Temperature sensor

• Dual H-Bridge for controlling two DC motors or one stepper motor

• 4 servo motor controllers with a terminal block for external 5V

• Fits on the Parallax's BoeBot chassis

• LCD header

• 4 x 4 keypad header

• SPI and I2C headers

• X-Y-Z accelerometer module interface header

• 7-segment LED display and LED power indicator

• Capacitor touching switch

• 2-position DIP switch for selecting one of 4 operating modes with D-Bug12 monitor or

RUN/LOAD mode with Serial Monitor

• Auto-start user application program from on-chip flash memory

• 2 user pushbutton switches

• On-board speaker driven by timer or PWM for alarm, voice and music applications

• On-board potentiometer trimmer pot for analog input

• Program abort buttons for stopping program when program is hung in a dead loop

• Header connector of SCI1 and I2C for user's applications