R3 Development Board CH340G MEGA328P SMD 16MHz + USB Cable

$16.93 $20.48

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Arduino-Compatible R3 Development Board with CH340G & MEGA328P SMD Chip

Take your electronics projects to the next level with this high-quality R3 Development Board featuring the popular CH340G USB-to-serial chip and the powerful MEGA328P SMD microcontroller running at a stable 16MHz. Whether you're a beginner hobbyist or an experienced maker, this complete set — board plus USB cable — gives you everything you need to start prototyping right out of the box.

Made in Mainland China.

Key Features

Microcontroller: ATmega328P (SMD package) — reliable, low-power 8-bit AVR
USB Chip: CH340G for seamless USB-to-serial communication on Windows, Mac & Linux
Clock Speed: 16MHz crystal oscillator for precise, stable performance
Digital I/O Pins: 14 digital input/output pins (6 PWM outputs)
Analog Input Pins: 6 analog inputs
Flash Memory: 32KB (with 0.5KB used by bootloader)
SRAM: 2KB | EEPROM: 1KB
Operating Voltage: 5V | Input Voltage: 7–12V recommended
USB Cable Included: Plug in and start coding immediately
Compatible with Arduino IDE: Upload sketches with ease using the standard Arduino development environment

What's in the Box?

1× R3 Development Board (CH340G + MEGA328P SMD, 16MHz)
1× USB Cable

Who Is This For?

This board is ideal for students, makers, educators, and electronics enthusiasts who want a cost-effective and fully functional R3-compatible board for learning, prototyping sensors, building automation projects, robotics, IoT experiments, and more. The CH340G driver is widely supported across operating systems, making setup quick and painless.

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Frequently Asked Questions

Q: Is this R3 development board compatible with the Arduino IDE?

A: Yes! This R3 development board with the MEGA328P SMD chip is fully compatible with the Arduino IDE. Simply install the CH340G driver for your operating system, select the correct board type and COM port, and you can start uploading sketches immediately.

Q: Do I need to install any drivers for the CH340G USB chip?

A: Most modern operating systems (Windows 10/11, macOS, Linux) include or can automatically install the CH340G driver. If your computer doesn't recognize the board automatically, you can easily find and install the CH340G driver online. Once installed, the board appears as a standard COM/serial port.

Q: What projects can I build with this R3 development board?

A: The possibilities are nearly endless! Common projects include LED control, temperature & humidity monitoring, servo motor control, ultrasonic distance sensing, OLED display interfaces, relay-based home automation, IR remote control systems, and beginner-to-advanced robotics — all programmed via the standard Arduino ecosystem.

Q: What does the set include — is a USB cable provided?

A: Yes, this listing is sold as a complete one-set package. You receive the R3 development board (CH340G + MEGA328P SMD, 16MHz) AND a USB cable, so you can connect to your computer and get started right away without any additional purchases.