Elecrow
Nano 168 (Arduino Compatible)
The Nano 168 is a compact, breadboard-friendly Arduino-compatible development board based on the ATmega168 microcontroller. It offers the same functionality ...
The Nano 168 is a compact, breadboard-friendly Arduino-compatible development board based on the ATmega168 microcontroller. It offers the same functionality as the Arduino Nano in a small DIP form factor, with 14 digital I/O pins, 8 analogue inputs, and Mini-B USB for programming and serial communication.
As an Elecrow-produced Arduino Nano compatible, it works with the Arduino IDE and existing Nano shields. The board features upgraded 5 V regulation for improved drive capability and a surface-mount ICSP header.
Key Features
- ATmega168 Microcontroller – 16 KB flash, 1 KB SRAM, 512 bytes EEPROM
- Arduino Nano Compatible – Works with Arduino IDE and Nano shields
- Mini-B USB – Programming, serial monitor, and USB-UART converter
- Breadboard Friendly – Standard 2.54 mm DIP pin spacing
- Flexible Power – USB, 6–20 V unregulated (pin 30), or 5 V regulated (pin 27)
- Status LEDs – Power (red), TX (green), RX (green), L (green)
Specifications
- Microcontroller – ATmega168
- Operating Voltage – 5 V
- Input Voltage – 7–12 V recommended (6–20 V limit)
- Digital I/O Pins – 14 (6 with PWM)
- Analogue Input Pins – 8
- DC Current per I/O Pin – 40 mA
- Flash Memory – 16 KB (2 KB used by bootloader)
- SRAM – 1 KB
- EEPROM – 512 bytes
- Clock Speed – 16 MHz
- Dimensions – 18.5 × 43.2 mm (0.73 × 1.70″)
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- Bootloader
- Small starter software on a microcontroller that lets new code be uploaded before the main program runs. Knowing how to enter bootloader mode matters when you need to program the board or recover it after a faulty sketch.
- EEPROM
- A type of non-volatile memory that keeps stored data even when power is turned off. In a sensor module, it can be used to store settings or calibration data so they do not need to be re-entered every time.
- Flash memory
- Non-volatile memory that keeps stored data even when power is removed. In this sensor, it matters because enrolled fingerprint templates can remain saved after the project is turned off.
- IDE
- Short for Integrated Development Environment, a program used to write, run and manage code. It matters because some learners prefer a traditional coding workspace instead of a guided notebook-style lesson.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
- SRAM
- Fast temporary memory used by a processor while a program is running. More SRAM helps with projects that handle larger data buffers, networking, displays, or more complex code.
- UART
- UART is a simple serial connection that sends data over separate transmit and receive wires, often labelled TX and RX. It matters because this module is designed to replace a wired UART cable with a wireless link while keeping the same serial data format.
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