
Learn how to set up your ESP32 dev board, install the Arduino IDE, connect to WiFi, and build your first IoT project step by step.

Learn how to build a kilometre-range IoT network using LoRa modules and ESP32, perfect for farm monitoring, weather stations, and remote sensing.

Master servo motor control with Arduino — from basic sweeps to smooth multi-servo coordination for robotics and automation projects.

Understand how buck converters work and learn to efficiently power your microcontroller projects from batteries and higher-voltage sources.

Everything you need to know to start building with Arduino — from installing the IDE to writing your first programs and reading sensors.

A clear comparison of the three most common communication protocols in electronics — when to use SPI, I2C, or UART in your projects.

Build a Bluetooth Low Energy remote control with ESP32 — control LEDs and read sensors from your phone using BLE and Web Bluetooth.

Learn MQTT from scratch — set up a broker, connect your ESP32, and build a real-time IoT messaging system for sensor data and device control.

Learn how stepper motors work, wire them with the A4988 driver, and control precise positioning from Arduino or ESP32 with acceleration support.

Learn how to run multiple tasks simultaneously on ESP32 using FreeRTOS — read sensors, serve web pages, and control outputs all at once.

Master the SSD1306 OLED display — from Hello World to sensor dashboards, menus, animations, and custom graphics with Arduino and ESP32.

Build a professional WiFi setup experience for your ESP32 projects — let users configure WiFi credentials through a captive portal, no code changes needed.

Add vibrant color displays to your ESP32 projects — learn to drive ST7789 and ILI9341 TFT screens with graphics, charts, images, and touch input.

Build blazing-fast real-time web dashboards for your ESP32 — live sensor data, instant controls, and bidirectional communication using WebSockets.

Master the voltage divider — the simplest yet most versatile circuit in electronics. Learn the math, practical applications, and common pitfalls.

Build self-healing mesh networks with ESP32 — connect dozens of sensor nodes across large areas without WiFi infrastructure using ESP-MESH and ESP-NOW.

Understand how transistors work and learn to use NPN and PNP BJTs as switches and amplifiers in your Arduino and ESP32 projects.

Master Ohm's Law with 10 real-world calculation examples — from LED resistors to battery life estimation. The one formula that makes all of electronics click.