The Arduino Nano R3 Compatible Board with CH340 Chip SMD is a compact and reliable microcontroller board ideal for electronics, robotics, and IoT projects. Built around the ATmega328P-AU processor, it offers stable performance and compatibility with the Arduino IDE. Featuring a CH340 USB interface, it ensures easy programming and seamless data transfer. Its small size makes it breadboard-friendly, perfect for students, hobbyists, and makers. StemVolt provides this Arduino Nano R3 Compatible Board with CH340 Chip SMD as an affordable, high-quality option for all your embedded system and automation needs.
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Arduino Uno R3 Board Compatible
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Applications:
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Robotics and automation systems
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IoT and smart home applications
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Educational and training purposes
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DIY electronics and maker projects
Specifications:
| Parameter | Details |
|---|---|
| Microcontroller | ATmega328P-AU |
| USB Interface Chip | CH340 |
| Operating Voltage | 5V |
| Input Voltage (Recommended) | 7–12V |
| Digital I/O Pins | 14 |
| Analog Input Pins | 8 |
| DC Current per I/O Pin | 40 mA |
| Flash Memory | 32 KB |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Clock Speed | 16 MHz |
| Input Port | Mini USB |
| PCB Dimensions | 43 x 18 mm |
| Weight | 6 g |
| Shipping Dimensions | 6 × 5 × 3 cm |
Features:
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Based on ATmega328P-AU microcontroller for stable performance.
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Compatible with Arduino IDE for easy programming.
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Supports USB or external 9V battery power supply.
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Compact and breadboard-friendly SMD design.
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LED indicators for Power, TX, RX, and status.
Package Includes:
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1 × Arduino Nano R3 Compatible Board with CH340 Chip SMD
FAQ:
Q1. Is this Arduino Nano compatible with the original Arduino IDE?
A1. Yes, it is fully compatible with the official Arduino IDE and supports all Arduino libraries.
Q2. Can I power this board using a 9V battery?
A2. Yes, it supports external power input of 9V through the VIN pin or DC supply.
Q3. What is the use of the CH340 chip?
A3. The CH340 chip is used as a USB-to-serial converter, ensuring smooth communication between your computer and the board


















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