The VMA103 (Arduino® Compatible Leonardo) is a microcontroller board based on the ATmega32u4. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analogue inputs), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.
Features:
100% compatible with Arduino® LEONARDO
Specifications:
Microcontroller: ATmega32u4
Operating voltage: 5 VDC
Input voltage (recommended): 7-12 VDC
Input Voltage (limits): 6-20 VDC
Digital I/O pins: 20
Analogue input pins: 12
PWM channels: 7
DC current per I/O pin: 40 mA
DC current for 3.3 V pin: 50 mA
Flash memory: 32 kB (ATmega32u4) of which 4 KB used by bootloader
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