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Description: 1. Microcontroller: Arduino UNO R3 is a microcontroller board based on the ATmega328P chip with 14 digital input/output pins (6 PWM), 6 analog inputs, a 16 MHz quartz crystal, a USB connection, and a power jack. 2. Multifunctional: The Leonardo expansion board enhances UNO R3's capabilities, adding microUSB connection for programming and serial communication, supporting native USB keyboard and mouse functionality, and enabling the use of input libraries like Touch, CapacitiveTouch, and Mouse. 3. Connectivity: Arduino UNO R3 can be connected to various sensors, actuators, or other microcontrollers using its digital and analog pins, I2C/TWI, SPI, or serial communication interfaces. The Leonardo expansion board further extends the connectivity options by adding SDA and SCL pins for I2C communication. 4. Programming: UNO R3 can be programmed using the Arduino Integrated Development Environment (IDE) through its USB connection, which also powers the board when connected. The Leonardo ex
| Specification | Details |
|---|---|
| Microcontroller | ATmega328P (8-bit AVR) |
| Clock Speed | 16 MHz (industrial temperature range) |
| Flash Memory | 32 KB (program storage) |
| RAM | 2 KB (data storage) |
| EEPROM | 1 KB (non-volatile data storage) |
| Input/Output Pins | 20 (14 digital 6 analog) |
| Serial Interfaces | USB (host and device) UART SPI |
| Analog-to-Digital Converter | 10-bit ADC (8 channels) |
| Operating Voltage | 5V (recommended) 7-12V (tolerated) |
| Power Consumption | 48 mA (active) 0.2 mA (sleep) |
| Dimensions | 69.7 mm x 53.4 mm x 43.1 mm |
| Weight | 28 grams |
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