Tutorials & Articles

Guides, project ideas, and how-to articles for makers and engineers.

Getting Started with ESP32 — Complete Beginner's Guide

New to ESP32? This guide covers everything: what the ESP32 is, how to install drivers and Arduino IDE, add the board package, and upload your first Wi-Fi program — step by step.

8 April 2026

HC-SR04 + LCD 1602 Distance Meter with ESP32

Build a real-time ultrasonic distance meter using the HC-SR04 sensor, a 16x2 I2C LCD display, and an ESP32. Includes wiring guide, full code, calibration tips, and troubleshooting.

8 April 2026

Build a Digital pH Meter with ESP32 and OLED Display

A complete step-by-step guide to wiring an E201-C pH electrode to an ESP32, displaying live readings on a 1.3" OLED, and performing accurate three-point calibration.

12 December 2025