Arduino Nano v3 Atmel ATmega328

Product Code: Nano
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Price: USD 6.25

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Description:

If desired, the pins can be soldered to the board.

Fee Arduino Nano - a small, full-featured, well compatible with a breadboard board based on the microcontroller ATmega328 (Arduino Nano version 3.0). It has more or less the same functionality such as the Arduino Duemilanove, but just a different design. It lacks the power connector DC, and cable connector - Mini-B USB instead of the standard. Nano has been developed and now Gravitech (USA).

Design and construction

You can upload files boards Arduino Nano 3.0 (ATmega328): scheme , Eagle files .

Findings

Pinout Arduino Nano :

Number O	Name	Type	Description
1 - 2, 5 - 16	D0 - D13	Input - output	Digital input / output ports D0 - D13
3, 28	RESET	Input	Reset (active - low)
4, 29	GND	Food	General Power
17	3V3	Output	+3.3 V with chip FT232
18	AREF	Input	ADC reference voltage
19 - 26	A0 - A7	Input	Analog input channels 0 - 7
27	+5 V	Input - output	+5 V output from the controller on the motherboard, or +5 V input from an external source
30	VIN	Food	Supply voltage

Specification

Microcontroller	Atmel ATmega328P
Supply voltage	5B
Input Voltage (recommended)	7-12V
Input Voltage (Max)	6-20B
Digital input / output	14 lines (of which 6 = PWM)
Analog Input	8 lines
Direct current lines IO	40mA
Constant current line 3.3V	50mA
Flash-memory	32 KB, 2 KB of them are used for the boot
SRAM-memory	2 kb
EEPROM-memory	1 kb
Clock speed	16MHz
Measurements	0.73 "x 1.70" (18,54 mm by 43,18 mm)

Food

Arduino Nano can be supplied from connector Mini-B USB, 6-20V unregulated external source (30th pin), or an external source of controlled 5B (27th pin). Power source is automatically selected to the highest voltage.

FTDI FT232RL chip on the motherboard Nano is powered only when the board is powered from USB. As a result, when the card receives power from an external source (not-USB), output 3.3V (which is available chip FTDI) is absent, and RX and TX LEDs will flash if digital lines to 0 or 1 is sootetstvenno unit.

Memory

ATmega328 has 32 KB (2 KB of which is also occupied by the loader). ATmega328 has 2 KB SRAM and 1 KB EEPROM (which can be read or written using the EEPROM library ).