Arduino for beginners- Introduction to Arduino (presentation) - codewithgauri
- 1. ARDUINO FOR BEGINNERS Instructor- Gaurav Pandey www.blog.codewithgauri.tech WELCOME TO :
- 2. What is Arduino ? ● Arduino is an open-source platform used for building electronics projects. ● All Arduino boards have a microcontroller. ● A microcontroller is basically a really small computer.
- 3. BOARD: Arduino UNO Arduino Nano Arduino Due Arduino Mega Processor ATmega328P ATmega168 ATmega328P ATSAM3X8E ATmega2560 Processor 16 MHz 16 MHz 84 MHz 16 MHz Best Application Desktop prototyping & use with Arduino Shields Low cost, Small profile, Simple project High Performance prototyping with superior analog I/O High I/O requirements with more memory space Some Popular Arduino Boards
- 4. DC Power Jack Voltage Regulator USB Port Reset Button Analog Reference Voltage Ground Digital Pins Serial Communication Analog pins ATmega328 Power Source - Crystal Oscillator in -Circuit Serial Programming Header 5V ON Indication LED USB Interface chip
- 5. This is a printer USB port used to load a program from the Arduino IDE onto the Arduino board. The board can also be powered through this port. USB Port
- 6. Power port: The Arduino board can be powered through an AC-to-DC adapter or a battery. The power source can be connected by plugging in a 2.1mm center-positive plug into the power jack of the board. 2.1mm center-positive plug The Arduino UNO board operates at a voltage of 5 volts, but it can withstand a maximum voltage of 20 volts. If the board is supplied with a higher voltage, there is a voltage regulator (it sits between the power port and USB connector) that protects the board from burning out.
- 7. Microcontroller It is brains of your Arduino. The microcontroller used on the UNO board is Atmega328P by Atmel Atmega328P has the following components in it: ● Flash memory of 32KB. The program loaded from Arduino IDE is stored here. ● RAM of 2KB ● CPU: It controls everything that goes on within the device. It fetches the program instructions from flash memory and runs them with the help of RAM. ● Electrically Erasable Programmable Read Only Memory (EEPROM) of 1KB. This is a type of nonvolatile memory, and it keeps the data even after device restart and reset.
- 8. Analog input pins: The Arduino UNO board has 6 analog input pins, labeled “Analog 0 to 5.” These pins can read the signal from an analog sensor like a temperature sensor and convert it into a digital value so that the system understands. These pins just measure voltage and not the current because they have very high internal resistance. Hence, only a small amount of current flows through these pins. Although these pins are labeled analog and are analog input by default, these pins can also be used for digital input or output.
- 9. Digital Pins You can find these pins labeled “Digital 0 to 13.” These pins can be used as either input or output pins. When used as output: pins act as a power supply source for the components connected to them. (supply 4 mA of current at 5 V) When used as input : they read the signals from the component connected to them. Some of the digital pins are labeled with tilde (~) symbol next to the pin numbers (pin numbers 3, 5, 6, 9, 10, and 11). These pins act as normal digital pins but can also be used for Pulse-Width Modulation (PWM), which simulates analog output like fading an LED in and out.