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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
STM32 USB HID: Combine Mouse and Keyboard on One Port
STM32 USB Composite Class: CDC + HID Gamepad on One USB Port
STM32 USB Mass Storage Class with W25Q NOR Flash: External Drive over SPI
STM32 USB Mass Storage Class: Use SD Card as External Drive
STM32 Modbus TCP Server – Read and Write Holding Registers using Mongoose
STM32 as USB Mouse and Keyboard — HID Device Implementation
STM32 Modbus TCP Server – Read and Write Coils using Mongoose
STM32 Beginner Course – Learn STM32 from Scratch
STM32 Blink LED — First Project with CubeMX and CubeIDE
ESP32 LATEST TUTORIALS
ESP32 UART Interrupt Mode with ESP-IDF — UART Events & FreeRTOS
ESP32 FreeRTOS Multitasking Project: ADC, UART & LED Tasks
ESP32 FreeRTOS: Suspend, Resume & Delete Tasks (ESP-IDF)
ESP32 FreeRTOS Software Timers & Task Notifications
ESP32 FreeRTOS Queues, Semaphores, Mutexes & Event Groups
ESP32 FreeRTOS Task Priority & Stack Size: Full Guide
FreeRTOS ESP32 Scheduler: Task States & Context Switching
FreeRTOS ESP32 Tutorial: Tasks, Scheduler & xTaskCreate
ESP32 MQTT Client: Publish and Subscribe to Topics Using Espressif IDE
ESP32 WiFi Station Mode with ThingSpeak Data Logging Using Espressif IDE
ARDUINO LATEST TUTORIALS
FreeRTOS Tutorial on Arduino (Part 7): Event Groups | Multi-Event Synchronization
FreeRTOS on Arduino (Part 6): Using Interrupts in FreeRTOS
FreeRTOS on Arduino (Part 5): Semaphores and Mutex Explained with Practical Examples
FreeRTOS on Arduino (Part 4): Inter Task Communication with Queues
FreeRTOS on Arduino (Part 3): vTaskDelay vs vTaskDelayUntil and Software Timers
FreeRTOS on Arduino (Part 2): Task Scheduling on Arduino – Tasks, Priorities & Time Slicing
FreeRTOS on Arduino (Part 1): Simple Multitasking
Arduino ILI9341 (PART 2): Build an MP3 Music Player with DFPlayer Mini
Arduino ILI9341 Touchscreen Tutorial: XPT2046 Wiring, Graphics, Calibration & UI
WS2812 Arduino Tutorial: NeoPixel Ring Wiring, Effects & Animations
TIVA C (TM4C123G) LATEST TUTORIALS
TM4C123G ADC Multiple Channels Tutorial: How to read 4 Analog Inputs
How to Use ADC on TM4C123G LaunchPad: Complete Step-By-Step Guide
How to Interface SSD1306 0.96” OLED Display with TM4C123G Tiva C: Text, Shapes, and Animations
How to Interface LCD1602 with TM4C123G Tiva C Using I2C (Full Guide with Code)
TM4C123G SPI Tutorial: Configure SSI0 & Read ADXL345 with TivaWare
I2C in TM4C123G Tiva C – How to Use I2C Peripheral with TivaWare
TM4C123G UART Tutorial (PART 2): Use Interrupt to Receive Data and Control LEDs
TM4C123G UART Tutorial (PART 1) – How to Use UART and Virtual COM Port in Tiva C
TM4C123 GPIO External Interrupts (Using TivaWare in Code Composer Studio)
TM4C123 GPIO Tutorial – Digital Input and Output using Tiva C LaunchPad
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