---
title: "Discussion on \"TDD - You can write code without actual hardware (Part II)\" | Hashnode"
description: "Discussion on \"TDD - You can write code without actual hardware (Part II)\". This post is an extension of \"TDD - You can write code without actual hardware (Part I)\". Previously, eeprom_controller.c includes only the read-byte function. Let's start to add a write-byte test in test_eeprom_controller.c. After writing one byte i..."
url: "https://hashnode.com/posts/tdd-you-can-write-code-without-actual-hardware-part-ii/64a8d0340fe081c60d9e0c03"
---

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# [TDD - You can write code without actual hardware (Part II)](https://hyunwoochoi.hashnode.dev/tdd-you-can-write-code-without-actual-hardware-part-ii?utm_source=hashnode&utm_medium=feed)

This post is an extension of "TDD - You can write code without actual hardware (Part I)". Previously, eeprom\_controller.c includes only the read-byte function. Let's start to add a write-byte test in test\_eeprom\_controller.c. After writing one byte i...

Jul 8, 2023 · 2 min read · hyunwoochoi.hashnode.dev  
Updated Jul 9, 2023  
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-   [#tdd](https://hashnode.com/tag/tdd)
-   [#unit-testing](https://hashnode.com/tag/unit-testing)
-   [#ceedling](https://hashnode.com/tag/ceedling)

## Written by

[Hyunwoo Choi](https://hashnode.com/@choi)

@choi · Minneapolis, MN

  
[View profile](https://hashnode.com/@choi)

#firmware engineer #C/C++ #TDD #embedded system #ARM processor

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