---
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title: Fun - serial_demo.fun — overview
subtitle: Documentation for serial_demo.fun — overview
description: Documentation for serial_demo.fun — overview
permalink: /documentation/examples/serial_demo/
lang: en
tags:
- documentation
- handbook
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- usage
- introduction
- help
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- specifications
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---

# serial_demo.fun — overview

What it shows
- Serial port access and basic read/write (when available on your system).

How to run
- export FUN_LIB_DIR="./lib"
- ./build_debug/fun examples/serial_demo.fun
- Or: fun examples/serial_demo.fun

Notes
- Requires serial device access; may depend on platform support and permissions.