Arduino presentation Oyo State Nigeriae

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1. ARDUINO Presented by AVNISH

2. WHAT IS AN ARDUINO ? Arduino is an open-source electronics platform based on easy-to-use hardware and software.  Arduino boards  are able to read inputs - light on a sensor, a finger on a button, or a Twitter message - and turn it into an output - activating a motor, turning on an LED, publishing something online. You can tell your board what to do by sending a set of instructions to the microcontroller on the board. To do so you use the  Arduino programming language  (based on  Wiring ), and  the Arduino Software (IDE) , based on  Processing .

3. Parts of Arduino

4. Defination of reset button below The reset button is a hardware or software mechanism that  allows you to restore a device or system to its original state or restart it in case of malfunction or freeze . By pressing the reset button, you can initiate the process of resetting the device.

5. Working of microcontroller A microcontroller is embedded inside of a system to control a singular function in a device. It does this by  interpreting data it receives from its I/O peripherals using its central processor .

6. WORKING OF POWER PORT A power port is essentially an interface that  facilitates the transfer of electrical energy from a source, such as a power supply or a battery, into a device .

7. WORKING OF VOLTAGE REGULATOR A voltage regulator is a circuit that  creates and maintains a fixed output voltage, irrespective of changes to the input voltage or load conditions . Voltage regulators (VRs) keep the voltages from a power supply within a range that is compatible with the other electrical components.

8. WORKING OF TX RX LEDS When the data logger is powered, the cellular LED will turn on according to cellular modem communications states: Off: Cellular modem off, insufficient power, or failure to establish a connection with the provider (periodic retries will occur).

9. WORKING OF USB INTERFACE CHIP A USB controller handles all the communication via a USB stack running on a microcontroller (MCU), while a PHY provides the physical interface to the cable . Some hubs and MCUs integrate all components required for a USB system into a single IC.

10. WORKING OF CRYSTAL OSCILLATOR Crystal oscillator circuits. The crystal oscillator circuit  sustains oscillation by taking a voltage signal from the quartz resonator, amplifying it, and feeding it back to the resonator . The rate of expansion and contraction of the quartz is the resonant frequency, and is determined by the cut and size of the crystal.

11. WORKING OF DIGITAL PIN Digital Input pins can be configured as pinMode(pin, INPUT), where the pin is the digital pin number you want to initialize . Often it is useful to steer an input pin to a known state if no input is present. This can be done by adding a pull-up resistor (to +5V), or a pulldown resistor (resistor to ground) on the input.

12. Analog input pins  allow an application to examine the voltage levels present on a pin as an analog signal . Analog signals are used to measure signals that are continuous in nature. Examples of such a signals would be a sine wave or an EKG. The frequency and magnitude of an analog signal has meaning. WORKING OF ANALOG DIGITAL PIN

13. THANK YOU Presented by Avnish