Arduino_Practice

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Arduino_Practice

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Practice bunch of code using Arduino

// repository documentation

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# This repository contains bunch of Arduino Code.
# ATmega328P Specifications:
# -->Microcontroller:
    ATmega328P

# -->Core & Architecture:
    Architecture: 8-bit AVR RISC
    CPU: AVR
    Operating Voltage: 1.8V – 5.5V
    Clock Speed: 20 MHz (max)
    Instruction Set: RISC

# -->Memory:
    Flash Memory: 32 KB (0.5 KB used by bootloader)
    SRAM: 2 KB
    EEPROM: 1 KB

# -->Power Consumption:
    Active Mode: 0.2 mA at 1 MHz, 1.8V
    Power-down Mode: 0.1 µA at 1.8V

# -->GPIO (General Purpose Input/Output) Pins:
    Total GPIO Pins: 23 (Configurable as Input/Output)

# -->Interrupt Pins:
    INT0 (External Interrupt 0) → Pin-D2
    INT1 (External Interrupt 1) → Pin-D3
    
# -->ATmega328P Port Information

# PORTB (Digital Pins 8 - 13):
    PB0 → Digital Pin 8
    PB1 → Digital Pin 9 (PWM)
    PB2 → Digital Pin 10 (PWM, SS for SPI)
    PB3 → Digital Pin 11 (PWM, MOSI for SPI)
    PB4 → Digital Pin 12 (MISO for SPI)
    PB5 → Digital Pin 13 (SCK for SPI, LED_BUILTIN)
    PB6 → Crystal Oscillator (XTAL1)
    PB7 → Crystal Oscillator (XTAL2)

# PORTC (Analog Pins A0 - A5):
    PC0 → Analog Pin A0
    PC1 → Analog Pin A1
    PC2 → Analog Pin A2
    PC3 → Analog Pin A3
    PC4 → Analog Pin A4 (SDA for I2C)
    PC5 → Analog Pin A5 (SCL for I2C)
    PC6 → RESET (Active LOW)

# PORTD (Digital Pins 0 - 7):
    PD0 → Digital Pin 0 (RX for Serial Communication)
    PD1 → Digital Pin 1 (TX for Serial Communication)
    PD2 → Digital Pin 2 (INT0 - External Interrupt 0)
    PD3 → Digital Pin 3 (PWM, INT1 - External Interrupt 1)
    PD4 → Digital Pin 4
    PD5 → Digital Pin 5 (PWM)
    PD6 → Digital Pin 6 (PWM)
    PD7 → Digital Pin 7
    
# -->Timers & Watchdog:
    8-bit Timer: 2
    16-bit Timer: 1
    Watchdog Timer: Yes
    Brown-out Detection: Yes

# -->Communication Interfaces:
    UART (Serial): 1
    SPI: 1
    I2C (TWI): 1

# -->Special Features:
    Sleep Modes: Multiple (Idle, ADC Noise Reduction, Power-down, Standby, etc.)
    In-System Programmable (ISP): Yes
    Programmable Watchdog Timer: Yes

# -->Packages Available:
    PDIP (28-pin)(Used in Arduino Uno Dev Board)
    TQFP (32-pin)
    QFN (32-pin)

# Arduino Uno Dev Board Specifications:

# -->Microcontroller:
    ATmega328P

# -->Dev Board Power:
    Operating Voltage: 5V
    Input Voltage (Recommended): 7-12V
    Input Voltage (Limit): 6-20V
    DC Current per I/O Pin: 20 mA
    DC Current for 3.3V Pin: 50 mA

# -->Clock & Timers & Interrupts:
    Clock Speed: 16 MHz
    External Interrupts: 2
    Watchdog Timer: Yes
    Brown-out Detection: Yes
    8-bit Timer: 2
    16-bit Timer: 1

# -->I/O Pins:
    Digital I/O Pins: 14 (0-13) (6 support PWM output)
    PWM Digital I/O Pins: 6 (Pins: 3, 5, 6, 9, 10, 11)
    Digital I/O Pin-0 use as RX
    Digital I/O Pin-1 use as TX
    Analog Input Pins: 6 (A0-A5) support 10-bit ADC
    Analog Pin-A4 use as SDA (Serial Data)
    Analog Pin-A5 use as SCL (Serial Clock)
    LED_BUILTIN: Pin 13
    
# -->The Arduino Uno doesn’t expose all 23 digital I/O pins because some of them are internally used for functions like the crystal oscillator, reset, and USB communication

# -->Communication Interfaces:
    UART (Serial): Yes
    SPI: Yes
    I2C: Yes

# -->Connectivity & Ports:
    USB Connector: Type-B
    Power Connector: Barrel Jack (2.1mm center-positive)

Arduino_Practice

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