Embedded C Programming for STM32 PART – 2

Welcome to another exciting tutorial on embedded systems! 🎉

In this video, I explain how to interface a simple LED with a switch to the STM32F401RETx microcontroller using KEIL µVision for Embedded C programming (without HAL). You’ll learn how to set up the circuit, configure the GPIO pins, write the Embedded C code, and simulate the project in Proteus to ensure it works correctly before moving to hardware.

🔧 What You’ll Learn:

Interfacing LED and Switch: How to connect and control a simple LED and switch with STM32F401RETx.
STM32 GPIO Configuration: Manually configure the GPIO pins for input (switch) and output (LED).
Embedded C Programming: Step-by-step guide on writing the code without using HAL to directly interact with STM32 registers.
Proteus Simulation: Simulate the project in Proteus to visualize the LED’s behavior in response to switch input.

🛠️ Tools Used:

Microcontroller: STM32F401RETx
IDE: KEIL µVision (without HAL)
Simulation Software: Proteus Design Suite

📁 Resources:
Download the complete project files and Proteus simulation setup here:
https://github.com/shivakayan/Embedded-C-Programming-for-STM32/tree/main/Interfacing%20LED%20and%20Switch%20with%20STM32F401RETx
Find STM32F401RE reference manual here:
https://www.st.com/resource/en/reference_manual/rm0368-stm32f401xbc-and-stm32f401xde-advanced-armbased-32bit-mcus-stmicroelectronics.pdf

📌 Key Features of This Tutorial:

Step-by-step guide with clear visuals and explanations
Live coding demonstration in KEIL µVision (without HAL)
Troubleshooting and tips for debugging

Full simulation process in Proteus
🕒 Timestamps:
0:00 – Introduction
0:41 – Objectives of the Project
1:29 – Steps for Programming STM32
6:38 – Enabling Clock
7:25 – How to Write a Value into a Register
14:15 – Need for PUPDR
17:55 – Monitoring IDR
19:55 – Configuring ODR
20:38 – Final Embedded C Code
21:51 – Proteus Simulation

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Happy learning and keep innovating! 🚀

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