MEGA ProtoShield V3 prototype expansion board for Arduino

Product Highlights:

• Microcontroller: ATmega328.
• Operating Voltage: 15V.
• Input Voltage: 7-12V.
• Digital I/O Pins: 14 (of which 6 provide PWM output).
• Analog Input Pins: 6.
• DC Current: 40mA.
• Flash Memory: 32 KB.
• SRAM: 2 KB.
• EEPROM: 1 KB

Product Highlights

• A 32-bit core, that allows operations on 4 bytes wide data within a single CPU clock.
• CPU Clock at 84Mhz.
• 96 KBytes of SRAM.
• 512 KBytes of Flash memory for code.
• Microcontroller: AT91SAM3X8E.
• Operating Voltage: 3.3V.