Product Description
The Uno R3 CH340G ATmega328P Development Board is a budget-friendly alternative to the standard Arduino Uno R3, offering the same core functionality with a CH340G USB-to-Serial interface. Powered by the ATmega328P microcontroller, it is widely used for learning electronics, prototyping, and embedded development.
Operating at 5V with a 16MHz clock speed, the board provides 14 digital I/O pins (6 PWM) and 6 analog inputs, making it suitable for a wide range of applications including robotics, automation, and IoT projects. It can be powered via USB or DC jack, ensuring flexible and stable operation.
Key Features
ATmega328P microcontroller (16MHz)
CH340G USB-to-Serial interface
14 Digital I/O pins (6 PWM)
6 Analog input pins
32KB Flash, 2KB SRAM, 1KB EEPROM
USB Type-B for programming & power
Supports shields & ISP programming
Onboard LEDs (Power, TX, RX, Pin 13)
Package Includes:
1 x Uno R3 CH340G ATmega328P Development Board
1 x Set of Male Header Pins
Technical Specifications
Parameter | Specification |
Microcontroller | ATmega328P |
USB Interface | CH340G |
Operating Voltage | 5V |
Input Voltage (Recommended) | 7–12V |
Input Voltage (Limit) | 6–20V |
Digital I/O Pins | 14 (6 PWM) |
Analog Input Pins | 6 |
Flash Memory | 32KB |
SRAM | 2KB |
EEPROM | 1KB |
Clock Speed | 16 MHz |
DC Current per I/O Pin | 40 mA |
Power Supply | USB or DC Jack |
Dimensions | 75 × 54 × 12 mm |
Operating Temperature | -40°C to 90°C |
Applications
Electronics Learning & Education
Robotics Projects
Automation Systems
Sensor Interfacing
DIY & Embedded Prototyping
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