STM32 Projects & Tutorials

This section provides step-by-step STM32 tutorials and tested code for learners ranging from beginners to experts. Programming is demonstrated in STM32CubeIDE using both HAL and LL drivers, making the examples easy to follow and adapt. The coverage spans GPIO, ADC, UART, timers, PWM, I2C, SPI, CAN, Ethernet, DMA, memories, displays, sensors, and many other peripherals—ideal for anyone looking to gain practical experience and develop reliable hardware projects.

STM32 Peripherals

How to Scroll Text on MAX7219 Dot‑Matrix with STM32 (SPI)

Step‑by‑step guide to scroll text on a MAX7219 dot‑matrix display with STM32 via SPI. Includes font handling, bit‑endianness and shift functions.

STM32 UART Tutorial: Configure and Transmit Data Using HAL in Blocking Mode

Learn how to configure UART in STM32 using STM32CubeMX and transmit data with HAL functions in blocking mode. Ideal for beginners in STM32 serial communication.

How to use STM32 as a KEYBOARD

This tutorial will cover another USB Device HID example, and today we will see how to use STM32 F103C8 as a keyboard for the computer.

Interface LED Dot Matrix with STM32 via SPI | PART1

Learn to interface an 8×8 LED dot matrix with STM32 using SPI and MAX7219. Covers initialization, wiring (PA5/SCK, PA7/MOSI, PA4/CS), and code walkthrough.

STM32 ADC | PART 4 Multi‑Channel Circular DMA Mode using HAL

Explore STM32 ADC multi‑channel setup with DMA in circular mode. Step‑by‑step CubeMX configuration, HAL C code, and STM32F1/F4/H7 examples.

W25Q Flash Series || Part 8 || QUADSPI External Loader

This tutorial will cover how to create an external loader for the W25Q Flash using the QSPI. We will also see how to use the loader in the IDE

Modbus #2. STM32 Master Reads Coils and inputs

This is second tutorial in the Modbus series and today we will see how to use the STM32 as the master to read the coils and Discrete inputs.

STM32 as I2C SLAVE || PART 2

This is the 2nd tutorial in the series, which covers how to write an I2C slave driver for the STM32. The slave receives any amount of data..

STM32 Registers

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STM32 Displays

Interface SH1106 1.3″ OLED with STM32 via I2C

Learn to interface a 1.3″ SH1106 OLED with STM32 via I2C. Includes wiring on STM32 I2C pins, CubeMX setup, init code, text, bitmaps & display offset handling.

How to use Ethernet with Riverdi STM32 Displays

This tutorial covers how to use the ethernet on the riverdi STM32 H7 embedded displays with the help of the Riverdi POE Add-on..

Display Analog Clock on GC9A01 Using STM32 + LVGL + SquareLine Studio (Part 2)

Learn how to display an analog clock on the GC9A01 round display using STM32 and LVGL. Use SquareLine Studio to design the GUI. Includes code, design steps, and integration tips.

Interface I2C LCD1602 (PCF8574) with STM32 | HAL Tutorial

This guide walks you through connecting and programming a 16×2 I2C LCD with STM32 using the PCF8574 I/O expander and HAL library.

Interface STONE HMI Display with STM32

In this tutorial we will see how to interface the Stone HMI Display with STM32. We will control a LED connected to the STM32 using the…

Riverdi STM32 Display #2. LED Control using Buttons

This tutorial covers how to use the buttons on the GUI of the Riverdi STM32 display to control the LED connected to the MCU..

Interface 16×2 LCD with STM32 (No I2C) — 4-bit Guide

Follow a clear STM32 LCD 16×2 guide using 4-bit parallel mode—no I2C needed. Set up CubeMX GPIO and timers, wire correctly, and use accurate HAL code for a stable, reusable display driver.