REPL added

Author: pedromsousalima

content/micropython/03.micropython/02.enviroment/00. REPL/repl.md

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+---
+
+featured: micropython-101
+title: '1. Micropython Enviroment - REPL'
+description: 'Learn the basics for loops on MicroPython.'
+author: 'Pedro Lima'
+hero_image: "./hero-banner.png"
+
+---
+
+REPL, which stands for Read-Eval-Print Loop, is an interactive environment that makes programming in MicroPython fast and flexible. REPL allows you to enter code line-by-line and see the results immediately. Although sometimes overlooked it is a great way for testing and debugging on the fly.
+
+We’ll walk through what REPL does, why it’s useful, and how you can use it to enhance your MicroPython experience.
+
+## What is REPL?
+
+The REPL process involves four basic steps:
+
+- **R - ead**: Reads and accepts your code input line-by-line.
+- **E - val**: Evaluates the entered code.
+- **P - rint**: Displays the result of the code execution.
+- **L - oop**: Repeats the process, allowing you to enter new code immediately.
+
+Think of REPL as a conversation between you and your MicroPython environment, where each line you type gets an instant response, making it ideal for exploring ideas and troubleshooting.
+
+## How REPL Works in MicroPython
+
+In MicroPython, REPL can be accessed via Arduino Labs for MicroPython terminal, enabling you to run code in real-time directly on your device. Here’s a step-by-step guide on using it:
+
+1. **Connect to REPL**: Open Arduino Labs for MicroPython and establish a connection to your microcontroller. Once connected, you’ll see a prompt (`>>>`), indicating the REPL is ready.
+2. **Enter Code**: Type any valid MicroPython code directly after the prompt. When you press Enter, REPL will execute your code.
+3. **See Results Instantly**: Any output, return values, or errors are displayed right away. If your code contains expressions, REPL will evaluate and print them for you.
+4. **Iterate**: The loop resets, and you can immediately enter more code, building on previous commands or testing new lines independently.
+
+## Example: Using REPL in MicroPython
+
+Let's see a simple REPL session to add two numbers interactively:
+
+```python
+>>> a = 5
+>>> b = 3
+>>> a + b
+8
+```
+TODO: GIF showing step by step so people understand to run each individually !()[]
+
+In this REPL session:
+
+- **Define variables**: We set `a` to 5 and `b` to 3.
+- **Perform calculation**: Entering `a + b` immediately returns `8`, showing the result without having to write a full script.
+
+## Common Uses of REPL
+
+REPL is particularly useful for:
+
+- **Testing code snippets**: Quickly check how individual pieces of code behave.
+- **Debugging**: Test small parts of a larger project interactively.
+- **Learning**: Practice MicroPython commands and get instant feedback, ideal for beginners.
+
+## Going Further With REPL
+
+REPL in MicroPython is an usefull tool that enables instant testing and feedback, making coding more interactive and efficient. Whether you're learning, debugging, or exploring ideas, REPL provides a flexible and powerful coding experience.
+
+**Experiment with REPL**
+
+- **Explore Built-in Functions**: Use functions like `len()`, `sum()`, or `type()` and see the results immediately, allowing you to get a quick feel for MicroPython’s standard library.
+- **Test Sensor and Pin Outputs**: Quickly check real-time data from sensors or pin states by writing simple lines to read values directly, helping you troubleshoot hardware setups.
+- **Debug Variable Values**: Enter and modify variables on the spot to test changes in data or simulate inputs, allowing you to observe how your program behaves step-by-step.
+- **Practice Logical Expressions**: Experiment with logical statements and conditionals to understand how `if` statements, comparisons, and loops work in MicroPython.
+
+By mastering REPL, you’ll be well-equipped to make the most of MicroPython’s interactive capabilities and streamline your development process.

content/micropython/03.micropython/02.enviroment/enviromental.md

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+---
+title: Basics
+---