MH Board Arduino with GM Sound for MIDI Control

Features:

• ATmega32u4 Microcontroller (MCU)
• 5V operating voltage
• 7-12V input voltage (limit)
• 22 (with 7 providing PWM output) digital I/O pins
• D0 , D1 : For Bluetooth
• D14, D15 : For Sound Chip
• 12 analog input pins ( A0 ~ A11 )
• 40mA DC current per I/O pin
• 1A DC current for 3.3V pin
• 32KB Flash memory
• 2KB SRAM  
• 1KB EEPROM  
• 16MHz clock speed
• General MIDI Wave 128
• Drum Set Table
• MIDI control
• 64 Voice Polyphony 
• Phone OUT
• Aux IN
• Battery Connect
• Bluetooth 4.0 (Option)
• Made in Taiwan.

Note : The open-source Arduino development board and sound chip is customizable for hobbyists with Arduino programming experience.