Day 22 – Tick Rate, Tick Interrupt, and Tickless Idle

"30-Day FreeRTOS Course for ESP32 Using ESP-IDF"

On Day 22, you’ll learn:
• How FreeRTOS uses the system tick for task scheduling
• How to configure the tick rate (frequency) in ESP-IDF
• The role of the tick interrupt in preemptive multitasking
• How tickless idle mode works and how it saves power
• A practical ESP32 example to observe tick timing and tickless idle
• Best practices when tuning tick rate and idle mode

By the end of this lesson, you’ll understand how the heartbeat of FreeRTOS (the tick) drives task scheduling and how to optimize it for performance or power efficiency.

"Thanks for watching! Don’t forget to check the GitHub link in the description to download the project code and explore more examples."

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