STM32 ESP8266 ThingSpeak Tutorial – Send Sensor Data to Cloud
STM32 ESP8266 ThingSpeak Tutorial – Send Sensor Data to Cloud In the previous tutorial, we…
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 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,…
Interface R307 Fingerprint Module with STM32 (UART Tutorial)
This tutorial explains how to interface the R307 fingerprint sensor with STM32 using UART. Learn…
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…
Interface I2C LCD1602 (PCF8574) with STM32 | HAL Tutorial
This guide walks you through connecting and programming a 16×2 I2C LCD with STM32 using…
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…
How to Interface GC9A01 Round Display with STM32 Using SPI + LVGL Integration
Learn how to interface the GC9A01 round TFT display with STM32 via SPI and implement…
Interface SD Card with STM32 via SDIO (4bit Mode)
Step-by-step guide to interface an SD card with STM32 using SDIO peripheral and DMA. Covers…
ESP32 LATEST TUTORIALS
ESP32 MQTT Client: Publish and Subscribe to Topics Using Espressif IDE
Learn how to implement MQTT on ESP32 using Espressif IDE. Subscribe to MQTT topics, publish…
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…
AVR LATEST TUTORIALS
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…
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…
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…
AVR #5. I2C Master PART 1 || Configuration
This tutorial covers how to configure the AVR MCU as the I2C Master. We will…
AVR #4. How to receive data via UART || Interrupt
This tutorial covers how to configure UART in AVR MCU, and how to receive the…
AVR #3. How to Configure UART & Send Data
This tutorial covers how to configure UART in AVR MCU, and how to transmit a…
AVR #2. How to use input button || Ext. Interrupt
This tutorial covers how to read the Input button in AVR with and without using…
ATtiny817 Xplained mini || Clock setup || LED Blink
This tutorial covers how to setup the first project in the microchip atudio for the…