#rtos articles | Hashnode

circuitrocksSep 5 · 2 min read

Arduino's Zephyr RTOS Core Hits 1.0.0: What Changes for Makers

Arm announced it was sunsetting MbedOS, and suddenly the software layer under a whole shelf of Arduino boards had an expiry date. The replacement just reached a milestone worth noting: ArduinoCore-Zep

circuitrocks.hashnode.dev

SagunAug 22 · 5 min read

What Is an Embedded Operating System?

Not every computer is a desktop or laptop. Computers are also built into cars, smart appliances, medical devices, industrial machines, routers, and many other products. These systems often have limite

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SagunAug 20 · 4 min read

What Is a Real-Time Operating System (RTOS)?

Imagine a system that doesn't just need to perform a task correctly—it needs to perform that task within a specific time requirement. In an ordinary computer, a small delay may not be a serious proble

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SagunAug 20 · 4 min read

Types of Operating Systems

Operating systems are not all designed for the same purpose. A desktop computer, a spacecraft, a smartphone, and a large server system can have very different requirements. Because of this, operating

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circuitrocksJul 15 · 2 min read

Porting Apache NuttX to the Adafruit Fruit Jam to Run Doom

The first frame of Doom flickering onto an HDMI monitor is a familiar rite of passage, but this time it ran off a board barely bigger than a credit card. A forum maker known as speccy88 had spent week

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Somnath Babu N RJun 13 · 6 min read

SPI Explained Beyond MOSI and MISO

Embedded Systems Fundamentals #2 Most engineers learn SPI through a simple diagram: Master ---- Slave MOSI MISO SCLK CS A transfer begins. Bytes move. The transfer completes. Simple. But inside the

beyondbits.hashnode.dev

Nikheel Vishwas SavantJun 1 · 60 min read

How to Build Bluetooth Applications with Zephyr OS: A Handbook for Devs

Your phone just connected to wireless earbuds, your smartwatch synced health data to an app, and a sensor somewhere in your building reported its temperature to a gateway. All of those interactions ha

freecodecamp.org

Vinod Kumar GorrepatiOct 31, 2025 · 4 min read

FreeRTOS vs Bare-Metal — When to Choose What (A Practical Guide for Embedded Engineers)

Choosing between FreeRTOS and Bare-Metal is one of the most important architectural decisions you’ll make when starting embedded firmware. It affects performance, power, scalability, debugging complexity, maintainability, and long-term product cost. ...

blog.vinodtech.com

박서경Sep 15, 2025 · 4 min read

RTOS Hardware Interrupt

Hardware interrupt = a mechanism by which an external/peripheral event immediately interrupts the CPU’s current execution and runs a designated ISR (Interrupt Service Routine).→ Rule of thumb: keep the top half (ISR) short; do the real work in the bo...

psk-study.hashnode.dev

박서경Sep 10, 2025 · 6 min read

Introduction to RTOS – Why Do We Need It?

1. Two Types of Operating Systems General Purpose Operating System (GPOS) Examples: Windows, Linux, Android Strengths: user-friendly, supports many apps, rich libraries Weakness: non-deterministic scheduling (you don’t know exactly when a task wi...

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Arduino's Zephyr RTOS Core Hits 1.0.0: What Changes for Makers

What Is an Embedded Operating System?

What Is a Real-Time Operating System (RTOS)?

Types of Operating Systems

Porting Apache NuttX to the Adafruit Fruit Jam to Run Doom

SPI Explained Beyond MOSI and MISO

How to Build Bluetooth Applications with Zephyr OS: A Handbook for Devs

FreeRTOS vs Bare-Metal — When to Choose What (A Practical Guide for Embedded Engineers)

RTOS Hardware Interrupt

Introduction to RTOS – Why Do We Need It?