STM32 UART using LL Drivers (Part 2): Transmit using Interrupt & DMA
This tutorial teaches UART transmission on STM32 using interrupts and DMA with LL drivers. Learn…
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 Custom Bootloader (Part 1): Flash Layout and Application Jump
This tutorial teaches you how to build a custom STM32 bootloader and application. Learn CubeMX…
STM32 W5500 Ethernet Tutorial (Part 7): STM32 as MQTT Client
Learn how to build a complete MQTT client on the STM32 using the W5500 Ethernet…
STM32 UART using LL Drivers (Part 1): Transmit using Polling Mode
Learn how to send data over UART using STM32 LL drivers in polling mode. This…
STM32 LL GPIO Input and EXTI Interrupt Tutorial: Read Buttons With Low-Level Drivers
This tutorial explains how to read button inputs on STM32 using LL GPIO and EXTI….
STM32 LL Tutorial for Beginners: Learn LED Blinking With CubeMX and Low-Layer Drivers
Start your STM32 LL journey with this beginner-friendly LED blinking tutorial. Learn CubeMX configuration, system…
STM32 W5500 Ethernet Tutorial (Part 6): Dynamic HTTP Webserver using CGI
Build a dynamic STM32 W5500 CGI web server that can control LEDs, adjust PWM brightness,…
STM32 W5500 Ethernet Tutorial (Part 5): HTTP Webserver on STM32
In this part of the STM32 W5500 Ethernet series, learn how to build a simple…
ESP32 LATEST TUTORIALS
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…
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…
ESP32 SPI LCD with Graphics using LVGL
Learn to interface an SPI LCD with ESP32 and display graphics using the LVGL library….
Interface SPI LCD with ESP32 – Step-by-Step Guide
Learn how to connect and program an SPI LCD with ESP32 using Espressif IDE. Includes…
ESP32 ADC | PART 2 ADC Continuous Mode Guide
Learn to configure ESP32 ADC in continuous mode using DMA and interrupts in ESP‑IDF. Includes…
ESP32 ADC One‑Shot Mode Tutorial – Read Multiple Channels
Learn ESP32 ADC one-shot mode to read multiple ADC1/ADC2 channels, configure attenuation & calibration in…
ESP32 SPI Tutorial Part 3: W25Q Flash Read/Write Guide
Master ESP32 SPI Part 3: Learn to write and read data from W25Q flash memory using…
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…
ARDUINO LATEST TUTORIALS
Complete ILI9341 Arduino Tutorial with Touch Screen (XPT2046): Full Guide with Codes
This tutorial explains how to use the ILI9341 TFT display with Arduino, along with the…
Arduino WS2812 LED Tutorial: Complete Guide with Examples, Animations, and Full Codes
This beginner-friendly WS2812 Arduino tutorial shows how to connect, control, and animate an 8-LED NeoPixel…
Arduino Passive Buzzer Tutorial: Alarm, Emergency Sound, and Tone Examples
This beginner-friendly guide explains how to interface a passive buzzer with Arduino. Learn the wiring,…
TM1637 Arduino Tutorial: Interface 4-Digit 7-Segment Display, Examples and Real-Time Clock Project
Step-by-step Arduino TM1637 tutorial. Learn to display numbers, set brightness, show decimal points, and build…
How to Interface GP2Y0A41SK0F Distance Sensor with Arduino (Serial Monitor + I2C LCD Display)
Learn how to read raw analog values, convert them into distance, smooth noisy readings, and…
Arduino PIR Motion Sensor Tutorial: Wiring, Modes, Sensitivity & Full Codes
This tutorial explains how to interface a PIR sensor with Arduino using simple wiring and…
IR Sensor Arduino Tutorial: Interfacing, Calibration, Detection Modes, Codes & LCD1602 Display
A simple and clear tutorial on interfacing an IR sensor with Arduino. Learn its pinout,…
HC-SR04 Arduino Tutorial: Measure Distance and Display on Serial Monitor & LCD1602 I2C
This tutorial teaches you how to interface the HC-SR04 ultrasonic sensor with Arduino. Measure distance…
TIVA C (TM4C123G) LATEST TUTORIALS
TM4C123 GPIO External Interrupts (Using TivaWare in Code Composer Studio)
This tutorial explains how to set up and use GPIO interrupts on the TM4C123 LaunchPad….
TM4C123 GPIO Tutorial – Digital Input and Output using Tiva C LaunchPad
This TM4C123 GPIO tutorial explains how to configure digital input and output on the Tiva…
TM4C123G Delay Tutorial – Using SysCtlDelay and SysTick Timer
This tutorial explains how to create precise delay functions on the TM4C123G microcontroller using SysCtlDelay…
TM4C123G Clock Setup Tutorial – Configure System Clock with PLL
TM4C123G Clock Setup Tutorial – Configure System Clock with PLL The system clock is the…
TM4C123G LaunchPad Tutorial: Setup CCS Studio and Build Your First Program
Step-by-step guide to blink the on-board LED on the TM4C123G LaunchPad using Code Composer Studio….
AVR LATEST TUTORIALS
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