STM32 SD Card Interface via SPI and DMA | Read, Write, FATFS + CubeMX
Learn how to interface SD card with STM32 via SPI using HAL, DMA & FATFS….
Microcontroller Tutorials with Code from Scratch
Controllerstech.com is dedicated to teaching STM32, ESP32, and embedded systems through practical, hands-on tutorials. All examples are built from scratch using datasheets and reference manuals, and every project is tested on real hardware to ensure accuracy and reliability. The goal is to help you gain complete control, deep understanding, and the confidence to build real-world embedded applications.
STM32 LATEST TUTORIALS
GP2Y0A41SK0F STM32 ADC Distance Measurement Guide
Learn how to interface the GP2Y0A41SK0F IR distance sensor with STM32 using ADC. Includes circuit…
Interface AHT20 Sensor with STM32 Using I2C
Learn how to interface the AHT20 temperature and humidity sensor with STM32 using I2C. Includes…
STM32 Ethernet with Mongoose | Part 4 OTA Update
Implement OTA (Over‑The‑Air) firmware updates on STM32 using the Mongoose Ethernet library. Learn setup, HTTP…
STM32 Ethernet with Mongoose | Part 3 Weather Station
Create a weather station using STM32 and the Mongoose library. Learn to read sensor data…
STM32 Ethernet with Mongoose | Part 2 Web Server
Build a web server on STM32 using the Mongoose library. Learn how to serve web…
STM32 Ethernet with Mongoose | Part 1 Setup Guide
Learn how to set up Ethernet on STM32 using the Mongoose networking library. Step-by-step guide…
STM32 ADC PART 11 – Differential Mode Explained
Learn how to use STM32 ADC in differential mode to measure voltage differences between two…
ESP32 LATEST TUTORIALS
ESP32 SPI Tutorial Part 2: Read Data from Slave
Master ESP32 SPI Part 2: Configure bus to read data from a W25Q flash slave, retrieve…
ESP32 SPI Tutorial Part 1: Configure & Transmit
Learn how to configure ESP32 SPI as master, initialize the bus & device, and transmit…
How to Read & Write MPU6050 with ESP‑IDE | I2C PART 2
Learn how to read and write data to the MPU6050 accelerometer via I2C on ESP32…
How to Interface LCD1602 via I2C on ESP32 with ESP‑IDE
Learn how to interface a PCF8574‑based I2C LCD1602 with ESP32 using ESP‑IDE. Complete wiring guide,…
ESP32 UART Part 2: Control LED via UART + ESP‑IDF
Learn how to control an ESP32 LED over UART using ESP‑IDF. Covers UART2 setup, cross‑wiring…
ESP32 UART Example with ESP-IDF – uart_set_pin, TX/RX Code in C
Learn UART on ESP32 using ESP-IDF. Covers UART pin mapping, TX/RX tasks in C, uart_set_pin(),…
AVR LATEST TUTORIALS
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