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IoT Roadmap

The roadmap has been splitted in two ways:

  • Embedded IoT Developer
  • IoT Application Developer

Embedded IoT Developer

Programming Languages

  • Embedded C (Must Have)
  • C++ (Must Have)
  • Python (Must Have)
  • Bash Scripting (Nice To have)
  • Rust (Nice To have)

Those Programming Languages are going to give you a head start to kickstart the embedded journey where C++ and Embedded C are the bare minimum to get started

Concepts

  • RTOS (Must Have)
  • IoT Value Chain (Must Have)
  • IoT Security (Nice To Have)
  • Wireless Communication (Must Have)
  • OS Fundamentals (Must Have)
  • Cloud Computing Basics (Nice To Have)
  • Linux (Must Have)
  • Web Services (Nice To Have)
  • Pub / Sub Systems (Must Have)
  • Embedded Design Patterns (Must Have)
  • Networks (Nice To Have)

These Concepts are mandatory in order to be able to work comfortablly developing IoT Solutions.

Tools

  • Platform IO
  • CMake
  • Esp IDF

Target Architectures

  • RISC
  • CISC

The difference between CISC and RISC Targets should be understandable during development of Embedded IoT Solutions

You Can try the Following Targets / Dev Boards:

Targets

  • STM32 (Blue/Black Pill)
  • Esp32 / NodeMCU
  • Raspberry Pi (Embedded Linux)
  • BeagleBone (Embedded Linux)
  • Jetson Nano (Embedded Linux)

To Work with those Targets and get something useful out of them you have to understand the target peripherals which include the following:

Microcontoller Peripherals

  • GPIO
  • Timers
  • PWM
  • ADC
  • DAC
  • Serial Communication(SPI,I2C,UART)
  • Wifi
  • Memory(Flash,SRAM,EEPROM)
  • BLE

IoT Application Developer

To become an iot application developer you have to wear a lot of hats and be knowledgable in a lot of things , you should not think that you have to be an expert in all of these but atleast have some idea on how to work with the following:

  • Frontend
  • Backend
  • Cross Platform Mobile Development (Nice To have)

you can choose from the below frameworks whatever you feel comfortable working with or have worked with before.

Programming Languages

  • TypeScript
  • JavaScript
  • Python
  • Java

Frameworks

Frontend

  • React
  • Angular
  • Vue
  • Svelte

Backend

  • ExpressJS
  • NestJS
  • FastAPI
  • Flask
  • DJango
  • SpringBoot
  • GO

Mobile Technologies

  • Flutter
  • React Native

Concepts

  • IoT Value Chain
  • IoT Security
  • Wireless Communication
  • OS Fundamentals
  • Cloud Computing Basics
  • Linux
  • Web Services
  • Pub / Sub Systems
  • System Integration
  • Networks
  • M2M
  • Design Patterns

For Realtime operating systems you just have to understand how they work and how to deal with event loops because you can work with one.

RTOS

  • Mynewt
  • FreeRTOS
  • Amazon FreeRTOS
  • NuttX

For Internet Protocols they are mandatory that you understand how they work with different Architectures, for example client / server or pub / sub systems

Internet Protocols

  • HTTP/HTTPS
  • MQTT
  • COAP
  • AMQP

Wireless Technologies

  • LORA
  • BLE
  • WIFI
  • NFC (Industrial protocols are not mandatory but they are nice to have and to understand how they work and if you want to work in the IIOT space then they will become very important and give you a headstart.)

Industrial Protocols

  • OPC UA
  • Modbus

Distributed Computing

You should at least know one of the following message brokers to implement distributed computing and asynchronous code execution

  • Microservices

Message Brokers

  • Kafka
  • RabbitMQ
  • HiveMQ
  • EMQX
  • ESB eg. WSO2

You have to know atleast one Relational database, one nosql database and one Timeseries database as well as keystore databases.

Databases

  • Mysql
  • Postgresql
  • MongoDB
  • Cassandra
  • Redis Cache
  • InfluxDB

Time to market is really important to Enterprise companies that's why the use Application Enablement Platform, where they can develop iot solutions faster and below are the most popular ones in the market varying from open source to fully paid solutions

IoT Platforms(AEP)

  • ThingsBoard
  • The Things Industries
  • Mainflux
  • ThingsWorx
  • Losant
  • ThingsWorks
  • Cumulocity
  • Data Cake

Cloud Native Technologies & Tools

  • Kubernetes
  • Docker
  • Prometheus

Monitoring

Monitoring your assets and applications and servers is key to successful IoT deployment and maintenance Grafana is one of the best monitoring and visualization tools

  • Grafana

IoT CLoud Providers

There are two types of AEPs One we call as Application enablement platform and one we call as Hyperscalers, Amazon and Microsoft are conisdered as Market Hyperscalers who enter the cloud and iot space to provide premade services to accelarate your time to market and development cycle

  • AWS IOT
  • AZure IOT