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⏱ Raspberry Pi Pico W – LED Blink Using Hardware Timer (MicroPython)

Demonstrates periodic LED blinking using hardware timers instead of software delays.
This allows the Pico to multitask while the LED toggles automatically.

⚙️ Hardware Setup

Component Pico Pin Description
LED GPIO16 Output
GND GND Ground

🧠 Concept

The machine.Timer module triggers a callback at fixed intervals.
Here, it toggles the LED every 1 second (period=1000 ms).

🚀 Run the Code

  1. Open Thonny IDE
  2. Copy this code to your Pico W as main.py
  3. The LED blinks once per second without using sleep()

💡 Try Next

  • Change blink rate by adjusting period
  • Use two timers to blink two LEDs asynchronously
  • Combine with sensors for event-based feedback