Duinotech Leonardo r3 Main Board

Most of the Duinotech models use two chipsets, one for the main controller, one for USB communication. The Duinotech Leonardo combines both these functions into a single IC, which opens to door for more advanced USB functions. The development board also boasts more analogue inputs (12), and an extra PWM channel.

Features:

• Fully Arduino™ compatible
• ATMega32u4 microcontroller
• EEPROM: 1KB
• Speed: 16MHz
• Built in USB-Serial
• IO:
  Digital IO: 20 pins (7 are configurable as digital or PWM)
  PWM Capable: 7 pins
  Analogue Inputs: 12 pins (6 are shared with digital pins)
  Serial Ports: 2 (One USB, one UART, more supported via SoftwareSerial library)

Input voltage:

• 5VDC Regulated via USB port or 5V pin
• 7-12VDC via vin pin
• On-board regulator supplies 5V when unit is powered via vin pin