Arduino Nano expansion board
Arduino Nano expansion board – Very handy board to expand your Nano.
You have all the pins broken out to female headers.
You also have GND and VCC pins next to each pin to easily connect sensors etc.
This board also have an Arduino Uno form factor so you can use Arduino Uno shields with your Nano if required.
- 14 I/O Pin (servo type with GND, power and signal)
- 8 analog Pin with power output and GND
- 6 PWM Pin
- 1 Servo power input
- I2C expansion Pin
- AREF output
- 3.3V output
Arduino Nano is a compact version of Arduino UNO.
Comes with the same microcontroller, ATmega328P on it.
Offering same IO capabilities and USB to Serial for boot loading program from Arduino IDE.
Because of the compact size and relatively lower cost.
It is getting popular among makers and students, especially in IoT projects.
Check out the video by one of the user ABID Inc: (The shield in video is not exactly same in term of color)
This shield is specially designed to expand Arduino Nano’s IO.
Simplifying the connection or wiring needed to interface with external sensor or actuator.
The IO (Input Output) pins of Arduino Nano are expanded out into 3-way header pin with SVG
(Signal, Voltage, and Ground) configuration, similar to RC servo and RC receiver.
And many sensor and actuator come in this form of wiring.
Besides the SVG header pins, this shield also provides ready pins for UART and I2C (4-way header pin).
With additional GND (Ground) and V(5V) on every IO expanded header.
You will not need to worry about finding ground and power for RC servo and sensors 🙂
With this IO expansion shield, you can also power the Arduino Nano via power adapter.
There is a DC Barrel jack on the board to insert standard 2.1mm DC jack.
Built-in reserve polarity protection diode and capacitor to smoothen the ripple from adapter.
Additionally, it also comes with independent 3.3V voltage regulator that will be able to provide extra current
(Max: 500mA) to complement the 3.3V output from Arduino Nano (50mA only from FT232 IC), awesome!
It comes in a shield form factor, there is additional side pads for Arduino UNO header pins.
And personally, I like this shield because all the header pins are properly labeled 🙂
Designed for Arduino Nano, compatible with:
Arduino Nano (Original)
Arduino Nano CH340 (Compatible)
Expanded all 22 GPIO pins to SVG 3-way (RC servo type) header pin, including:
8 Analog Pins (Arduino NANO have 2 additional Analog input pin)
14 Digital IO pins (include 6 PWMs)
AREF pin too
I2C expansion Pin (4-way header: SCL, SCK, 5V and GND)
UART expansion pin (4-way header: RX, TX, 5V and GND)
More 5V and GND pins for sensor / Servo
Additional pads for Arduino UNO form factor.
On board additional 3.3V voltage regulator to supply more 3.3V current.
DC Adapter Barrel Jack input with reverse polarity protection
Additional Reset button
Power indicator LED
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