Arduino Uno R3 ATmega328p Compaitable DIP Version
The Arduino Uno R3 ATmega328p Compaitable DIP Version is a versatile and user-friendly microcontroller board based on the ATmega328P. It features 14 digital I/O pins, 6 analog inputs, a 16 MHz ceramic resonator, USB connection, power jack, and reset button. Perfect for beginners and advanced makers alike.
Key Features
- ATmega328P microcontroller with 32KB flash memory and 2KB SRAM
- 14 digital I/O pins (6 can be used as PWM outputs)
- 6 analog input pins for sensor reading (10-bit ADC)
- 16 MHz clock speed for fast execution
- USB programming via onboard CH340 or ATmega16U2
- Wide shield compatibility with hundreds of expansion boards
- 5V operating voltage with onboard voltage regulator
Technical Specifications
| Parameter |
Specification |
| Microcontroller |
ATmega328P |
| Operating Voltage |
5V |
| Input Voltage (recommended) |
7-12V |
| Input Voltage (limits) |
6-20V |
| Digital I/O Pins |
14 (6 PWM) |
| Analog Input Pins |
6 |
| Flash Memory |
32 KB (0.5 KB bootloader) |
| SRAM |
2 KB |
| EEPROM |
1 KB |
| Clock Speed |
16 MHz |
| USB Connector |
Type-B |
| Dimensions |
68.6mm x 53.4mm |
Applications
- DIY electronics projects and interactive prototypes
- Robotics including line followers and obstacle avoiders
- Home automation systems and IoT devices
- Sensor monitoring and data logging
- Educational STEM learning and maker workshops
- LED control and addressable lighting projects
Pinout
- VIN: Input voltage when using external power
- 5V: Regulated 5V output (up to ~500mA)
- 3.3V: Regulated 3.3V output (up to ~150mA)
- GND: Ground pins (multiple)
- D0-D13: Digital input/output pins
- A0-A5: Analog input pins (10-bit)
- AREF: Analog reference voltage input
Important Notes
- Do not exceed 5V on any I/O pin to prevent permanent damage
- Maximum current per I/O pin: 40mA (recommended 20mA)
- Total VCC current should not exceed 200mA
- Use external power supply for high-current loads like motors
- Compatible with Arduino IDE and most Arduino shields
