Technical details:
Nano V3 form-factor,
ATmega168 (16Mhz) microcontroller,
CH340G – USB-UART interface,
Input voltage 6-12V,
Output voltage 5V/800mA, 3.3V/180mA (Only in NEW vesrion),
MicroUSB – connection socket,
500mA resetable Fuse on USB port
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AREF Output: 3.3V
Expand all 6 PWM pins
Expans I2C pins
Compatible only with Arduino NANO
Expand DC power interface
Available pins: +3.3V, +5V, GND, I2C, RX/TX, All other IOs
Features:
Name: electronic compass atmospheric pressure module (three-axis magnetic field + pressure)
Model: GY-652
The use of chip: HMC5983 + BMP180
Power supply :3-5v (internal low dropout regulator)
Communication modes: standard IIC communication protocol)
Specifications
Separate analog, digital, and IO power supply
Serial data and control interface (SPI)
1 headphone and audio output interface
1 microphone for recording, support audio encoding format
1 line input interface; supports MP3 and WAV stream
