Lecture 8

[Human] talking to [Human]

• Language/ Protocol

• Morse Code - SOS

[Smart Devices] Talking to [Smart Devices]

• Examples: 

  • Mobile to Mobile 

  • Mobile to TV

  • Mobile to Air Conditioner

  • ..? what else?

• Methods

  • Wired: Cable 1 - Cable 2 - Cable 3 - Cable 4 - Cable 5 - Cable 6

  • Wireless: WiFi - Bluetooth - Infrared 

[Arduino] Talking to [Arduino and Smart Devices]

• Examples:

  • Smart Light Switch

  • Smart Access Control 

  • ..? what else?

• Methods: 

  • to Ethernet Module

  • to WiFi

  • to Bluetooth Module

  • to RFID

  • to USB Module

ATmega328 Embedded Protocols 

• Serial/UART

  • • Possibly Exists In: Bluetooth Module 

    • Wires: TX, RX

    • Code Settings: Baud Rate

• I2C

  • • Possibly Exists: LCD - DHT - RTC 

    • Wires: SDA, SCL

    • Code Settings: Address

• SPI

  • • Possibly Exists: Memory Card Module - OLED Display 

    • Wires: MISO, MOSI, CS, SCK

Graphical User Interfaces

• Purpose

• Information Elements: Show Text - Pictures - Videos - Sound

• Control Elements: Buttons - Toggle Switch - Slider - Knob

• Examples: Robot Arm - Radar - Weather Station

• Development Platforms: Processing - App Inventor - Python - ...

Easter Eggs

• Processing Tutorial 

• HC-05 Bluetooth Module with Arduino-MIT App Inventor

• How To Receive Multiple Sensor Readings From Your ARDUINO