# 1.5 Additional References

- [What Is a Real-Time Operating System (RTOS)? – DigiKey Maker.io](https://www.digikey.com/en/maker/projects/what-is-a-realtime-operating-system-rtos/28d8087f53844decafa5000d89608016)  
- [Real-Time Operating System (RTOS): Components, Types, Examples – Guru99](https://www.guru99.com/real-time-operating-system.html)  
- [RTOS Fundamentals – FreeRTOS Official Documentation](https://www.freertos.org/Documentation/01-FreeRTOS-quick-start/01-Beginners-guide/01-RTOS-fundamentals)