The Arduino Uno R4 Wifi is an advanced version of the popular Arduino Uno microcontroller board. It is based on the ATmega328P and includes integrated WiFi capabilities, making it ideal for IoT projects and wireless communication applications. The Uno R4 Wifi retains the ease of use and versatility of the original Uno, while adding wireless connectivity and enhanced performance. Key Features:
- Microcontroller: ATmega328P
- Operating Voltage: 5V
- Input Voltage (recommended): 7-12V
- Input Voltage (limit): 6-20V
- Digital I/O Pins: 14 (of which 6 provide PWM output)
- Analog Input Pins: 6
- Flash Memory: 32 KB (ATmega328P) of which 0.5 KB used by bootloader
- SRAM: 2 KB (ATmega328P)
- EEPROM: 1 KB (ATmega328P)
- Clock Speed: 16 MHz
- WiFi: Integrated WiFi module for wireless connectivity
- USB Connection: For programming and power
Technical Specifications:
- Dimensions: 68.6 mm x 53.4 mm
- Weight: 25 g
- Communication: UART, SPI, I2C, WiFi
- On-board LEDs: TX, RX, Power, and Pin 13
- Power:
- DC Current per I/O Pin: 20 mA
- DC Current for 3.3V Pin: 50 mA
- Connectors:
- USB-B for programming and power
- Barrel jack for external power supply
- ICSP header for in-circuit programming
- 6-pin header for additional communication interfaces
- WiFi Specifications:
- Frequency: 2.4 GHz
- Protocols: IEEE 802.11 b/g/n
- Security: WEP, WPA, WPA2
Applications:
- Education: Ideal for teaching and learning electronics, programming, and IoT.
- Prototyping: Suitable for developing and testing new electronic projects with wireless connectivity.
- DIY Projects: Perfect for hobbyists creating custom gadgets, robots, and interactive installations with WiFi capabilities.
- IoT Projects: Can be used to build Internet of Things (IoT) applications by connecting sensors and actuators to the internet.
- Embedded Systems: Useful for designing and implementing embedded systems with wireless communication.
