Podcast
Questions and Answers
Which of the following platforms is best suited for data-heavy connected devices?
Which of the following platforms is best suited for data-heavy connected devices?
- Intel Edison
- Arduino
- ESP8266
- Raspberry Pi (correct)
Arduino supports expansion through shields and multiple input/output pins.
Arduino supports expansion through shields and multiple input/output pins.
True (A)
What is the primary function of Arduino boards?
What is the primary function of Arduino boards?
To read inputs and turn them into outputs.
By 2020, ____% of new devices and systems were expected to use IoT according to Gartner.
By 2020, ____% of new devices and systems were expected to use IoT according to Gartner.
Match the following terms with their respective descriptions:
Match the following terms with their respective descriptions:
Which of the following is NOT an Arduino board mentioned?
Which of the following is NOT an Arduino board mentioned?
Which of the following is NOT a characteristic of Arduino?
Which of the following is NOT a characteristic of Arduino?
The Raspberry Pi is primarily designed for simple connected sensors.
The Raspberry Pi is primarily designed for simple connected sensors.
The early Arduino boards were only capable of complex applications.
The early Arduino boards were only capable of complex applications.
What type of community does Arduino have?
What type of community does Arduino have?
What is the processing power of the Raspberry Pi 3 Model B+?
What is the processing power of the Raspberry Pi 3 Model B+?
The latest Raspberry Pi board features Bluetooth 4.2 and a maximum throughput of ____ Mbps.
The latest Raspberry Pi board features Bluetooth 4.2 and a maximum throughput of ____ Mbps.
Match the following communication technologies with their descriptions:
Match the following communication technologies with their descriptions:
What is the primary purpose of the communication module in an IoT device?
What is the primary purpose of the communication module in an IoT device?
The communication module may only be part of the same device as other modules.
The communication module may only be part of the same device as other modules.
Arduino is an open-source platform based on easy-to-use hardware and ____.
Arduino is an open-source platform based on easy-to-use hardware and ____.
What is one of the primary uses of satellite communication in the IoT sector?
What is one of the primary uses of satellite communication in the IoT sector?
Bluetooth technology was originally designed for long-range communication.
Bluetooth technology was originally designed for long-range communication.
What year was Bluetooth technology introduced?
What year was Bluetooth technology introduced?
The maximum communication distance of mobile phones to the nearest antenna is approximately ___ miles.
The maximum communication distance of mobile phones to the nearest antenna is approximately ___ miles.
Match the following satellite communication technologies with their characteristics:
Match the following satellite communication technologies with their characteristics:
What is a limitation of Bluetooth communication?
What is a limitation of Bluetooth communication?
Satellite technology can help address connectivity issues in the IoT sector.
Satellite technology can help address connectivity issues in the IoT sector.
What technology was introduced in 2009 to improve Bluetooth communication for IoT?
What technology was introduced in 2009 to improve Bluetooth communication for IoT?
Which wireless technology is specifically intended for IoT and requires special clients and infrastructure?
Which wireless technology is specifically intended for IoT and requires special clients and infrastructure?
Wi-Fi is an optimal IoT technology for all applications.
Wi-Fi is an optimal IoT technology for all applications.
What is the primary range of typical Wi-Fi technology?
What is the primary range of typical Wi-Fi technology?
ZigBee is primarily utilized in ________ environments.
ZigBee is primarily utilized in ________ environments.
What data rate range does LoRaWAN typically support?
What data rate range does LoRaWAN typically support?
Match the following technologies with their primary characteristics:
Match the following technologies with their primary characteristics:
ZigBee version 3.0 essentially merges multiple ZigBee wireless technologies into one standard.
ZigBee version 3.0 essentially merges multiple ZigBee wireless technologies into one standard.
What are some of the applications where Wi-Fi can be effectively utilized?
What are some of the applications where Wi-Fi can be effectively utilized?
What is the main purpose of a thermometer?
What is the main purpose of a thermometer?
Passive sensors require an external power source to function.
Passive sensors require an external power source to function.
What term describes the smallest detectable change in the phenomenon a sensor can detect?
What term describes the smallest detectable change in the phenomenon a sensor can detect?
A sensor that generates a discrete signal is classified as a ______ sensor.
A sensor that generates a discrete signal is classified as a ______ sensor.
Match the following sensors with their primary function:
Match the following sensors with their primary function:
Which of the following is NOT a characteristic used to describe a sensor?
Which of the following is NOT a characteristic used to describe a sensor?
Pressure sensors are commonly used in weather forecasting.
Pressure sensors are commonly used in weather forecasting.
Name one application where humidity sensors are commonly used.
Name one application where humidity sensors are commonly used.
Which of the following describes the role of the Arduino Rest API?
Which of the following describes the role of the Arduino Rest API?
The Arduino Rest API is used for asynchronous communication between systems.
The Arduino Rest API is used for asynchronous communication between systems.
What type of signals can the input-output device send out?
What type of signals can the input-output device send out?
The process of converting serial data to __________ data is a functionality of certain input-output systems.
The process of converting serial data to __________ data is a functionality of certain input-output systems.
Match the following protocols with their primary function:
Match the following protocols with their primary function:
Which library can be used to create a Rest API architecture for Arduino?
Which library can be used to create a Rest API architecture for Arduino?
The Arduino can function as a server in a client-server scenario with the help of the Arduino API over HTTP.
The Arduino can function as a server in a client-server scenario with the help of the Arduino API over HTTP.
In IoT applications, what kind of method is typically employed when an external application submits a request to Arduino?
In IoT applications, what kind of method is typically employed when an external application submits a request to Arduino?
Flashcards
Arduino
Arduino
An open-source platform based on simple hardware and software for creating interactive electronic devices that connect to the internet, often used for basic IoT projects.
Raspberry Pi
Raspberry Pi
A small, affordable computer designed for educational purposes but often used for DIY projects and building complex IoT devices like data hubs.
Internet of Things (IoT)
Internet of Things (IoT)
The use of physical objects connected to the internet to collect and exchange data, creating a network of smart devices. This can include things like sensors, actuators, and everyday objects.
IoT Hardware Platform
IoT Hardware Platform
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Actuators
Actuators
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Sensors
Sensors
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Connectivity Modules (GSM & WiFi)
Connectivity Modules (GSM & WiFi)
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Arduino Shield
Arduino Shield
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Communication Module
Communication Module
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Raspberry Pi 3 Model B+
Raspberry Pi 3 Model B+
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Gateway Architecture
Gateway Architecture
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MKR Vidor 4000
MKR Vidor 4000
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Modbus
Modbus
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Ethernet/IP
Ethernet/IP
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Wi-Fi
Wi-Fi
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Wi-Fi HaLow
Wi-Fi HaLow
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ZigBee
ZigBee
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LoRaWAN
LoRaWAN
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Gateway
Gateway
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Wide Area Network (WAN)
Wide Area Network (WAN)
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Low-Power Wide Area Network (LPWAN)
Low-Power Wide Area Network (LPWAN)
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Data Rate
Data Rate
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Sensor Sensitivity
Sensor Sensitivity
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Sensor Resolution
Sensor Resolution
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Sensor Range
Sensor Range
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Active Sensors
Active Sensors
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Passive Sensors
Passive Sensors
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Analog Sensors
Analog Sensors
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Digital Sensors
Digital Sensors
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Data Acquisition
Data Acquisition
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Satellite Communication
Satellite Communication
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Bluetooth
Bluetooth
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Machine-to-Machine (M2M) Communication
Machine-to-Machine (M2M) Communication
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Low-Energy Bluetooth
Low-Energy Bluetooth
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4G / LTE
4G / LTE
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Integrated Communication System
Integrated Communication System
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Data Transport Speed
Data Transport Speed
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Satellite Broadcast Capability
Satellite Broadcast Capability
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I/O Controller
I/O Controller
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Serial Data Transmission
Serial Data Transmission
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Digital-to-Analog Conversion (DAC)
Digital-to-Analog Conversion (DAC)
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Arduino REST API
Arduino REST API
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HTTP REST API
HTTP REST API
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MQTT (Message Queue Telemetry Transport)
MQTT (Message Queue Telemetry Transport)
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Rest Library
Rest Library
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API Ecosystem
API Ecosystem
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Study Notes
IoT Hardware Components
- IoT (Internet of Things) is no longer a buzzword.
- Firms are using IoT for business growth.
- By 2020, 95% of new devices/systems will use IoT.
- IoT is a combination of hardware, connectivity tools, and software.
Arduino
- Arduino is an open-source prototyping platform.
- Hardware and software are easy to use.
- Arduino boards can read multiple inputs and outputs.
- Can control motors, LEDs, publish data online.
- Arduino supported by many resources and support.
- Expandable functionality with shields/multiple pins.
Raspberry Pi
- Popular, inexpensive computing board.
- Suitable for data-heavy devices like gateways/data collectors.
- Suitable for less complex IoT applications.
- A general-purpose device, but good for loT hubs/gateways.
- Features: 1.4 GHz Broadcom BCM2837B0, Cortex-A53 (ARMv8) 64-bit SoC, 2.4 GHz and 5 GHz IEEE 802.11.b/g/n/ac, Bluetooth 4.2 , BLE, and Gigabit Ethernet port.
Communication
- Devices connect to storage locally or in the cloud.
- Communication ports: USB, Modbus, Ethernet/IP, wireless fidelity, serial (232/485), CAN, Wi-Fi, LoRa, ZigBee.
WiFi
- Common choice for developers.
- Wireless/LAN home environment.
- IEEE 802.11 specifications.
- Transmission range around 60 feet.
- Suitable for building/home automation, energy management.
ZigBee
- Comparable to Bluetooth.
- Industrial environments.
- Low power, high security, robustness, high performance.
- Version 3.0 unites multiple wireless technologies.
LoRaWAN
- Widely used IoT technology, addresses WAN applications.
- Data rates range from 0.3 to 50 kbps.
- Low-power requirements, supports numerous devices.
- Meant for wide-area networks, smart city, and industrial applications.
- Used for satellite communications ("Machine to Machine")
Satellite Communication
- Mobile phones can communicate with nearest antennas, 10-15 miles away.
- Technologies include GSM, GPRS, 3G, 4G.
- Machine to Machine communication/Satellite communication allows devices to communicate with each other.
- Essential for devices needing wide-area coverage.
Bluetooth
- Created by Ericsson.
- Used for headsets, speakers, printers.
- Low power, low range, high bandwidth solution.
- Bluetooth 5 improved range/performance.
- Suitable for IoT applications that involve several devices; it is good for a home environment.
Sensors
- Sensors detect changes in their surroundings.
- Used in many modern organizations.
- Essential for IoT success.
- Types: temperature, humidity, pressure, proximity, level, gas, infrared, optical.
Actuation
- Actuators are components that move/regulate mechanism or systems.
- Devices' sensors detect surroundings, and actuators react based on these inputs.
- Control systems affect the environment, necessitate energy/control signal.
- Types: hydraulic, pneumatic, electrical.
Input/Output Interfaces
- Interface to exchange data between internal & external devices/storage.
- Connects computers with external storage/peripheral devices (input/output).
- Peripheral devices often include Input Devices (keyboard/mouse) or Output Devices (monitor/printer).
- Communication cables reconcile discrepancies between central computer & peripherals.
Software Components (APIs)
- Arduino Rest API allows communication between Arduino and external systems.
- Used to operate Arduino from a distance, new integration possibilities.
Protocols
- CoAP, MQTT, Zigbee, AMQP are protocols for interconnecting devices.
UDP
- UDP is a connectionless protocol, less widespread in IoT than TCP.
- It does not acknowledge received data packets.
- Faster, simpler.
- Suitable for real-time applications that can tolerate packet loss.
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