Learn STM32, ESP32, and embedded systems by writing code from scratch using datasheets and reference manuals. All tutorials are tested on actual hardware to help you build reliable, real-world projects with full control and understanding.
STM32 IoT with ESP8266 (Part 1): Connect STM32 to WiFi and Obtain IP Address
Learn how to connect STM32 to WiFi using ESP8266. Step-by-step IoT tutorial with AT commands, STM32CubeIDE setup, and obtaining IP address.
Interface R307 Fingerprint Module with STM32 (UART Tutorial)
This tutorial explains how to interface the R307 fingerprint sensor with STM32 using UART. Learn to enroll, verify, and authenticate with practical code examples.
STM32 FreeRTOS Tutorial: Setup with CubeMX, Task Creation, and Priorities
Learn how to configure FreeRTOS in STM32 using CubeMX. Create tasks, manage priorities, and build multitasking embedded systems.
SSD1306 STM32 I2C Guide: HAL Code, CubeMX Setup & Display Libraries
Learn to interface SSD1306 OLED with STM32 using I2C. Includes HAL code, CubeMX setup, SSD1306 library options, and display examples.
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.
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.
ESP32 MQTT Client: Publish and Subscribe to Topics Using Espressif IDE (Part 2)
Learn how to implement MQTT on ESP32 using Espressif IDE. Subscribe to MQTT topics, publish messages, and communicate with a broker for IoT projects.
ESP32 WiFi Station Mode with ThingSpeak Data Logging Using Espressif IDE
Learn how to connect ESP32 to WiFi in station mode and log data to ThingSpeak cloud using Espressif IDE (ESP-IDF). Step-by-step tutorial with code examples.
ESP32 SPI LCD Touch Interface | Add Touch to Your Display
Learn how to add a touch interface to an SPI LCD using ESP32. Step-by-step guide with code and circuit to create interactive touch-enabled displays.
ESP32 SPI LCD with Graphics using LVGL
Learn to interface an SPI LCD with ESP32 and display graphics using the LVGL library. This guide includes code, setup, and working demo to enhance your project.
Interface SPI LCD with ESP32 – Step-by-Step Guide
Learn how to connect and program an SPI LCD with ESP32 using Espressif IDE. Includes wiring, code, and display tips for your embedded projects.
ESP32 ADC | PART 2 ADC Continuous Mode Guide
Learn to configure ESP32 ADC in continuous mode using DMA and interrupts in ESP‑IDF. Includes code setup, callback, and data handling.
AVR #8. I2C Master PART 4 || Read data from Slave
This tutorial covers how to use the AVR MCU as the I2C Master and read data from the I2C slave. We will use the AT24C256 EEPROM as the slave.
AVR #7. I2C Master PART 3 || Interface LCD1602 via I2C
This tutorial covers how to use the AVR MCU as the I2C Master and send data to the LCD1602, which is connected via PCF8574 using the I2C…
AVR #6. I2C Master PART 2 || comm. with Slave Device
This tutorial covers how to configure the AVR MCU as the I2C Master. We will transmit the data to the PCF8574 and control LEDs connected to..
AVR #5. I2C Master PART 1 || Configuration
This tutorial covers how to configure the AVR MCU as the I2C Master. We will also transmit the data to the slave device on the I2C Bus…
AVR #4. How to receive data via UART || Interrupt
This tutorial covers how to configure UART in AVR MCU, and how to receive the data via the uart using the interrupt..
AVR #3. How to Configure UART & Send Data
This tutorial covers how to configure UART in AVR MCU, and how to transmit a single byte or the entire string via the UART…