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ESP32
Learn ESP32 from the basics and gradually move into GPIO, sensors, displays, audio, Wi-Fi, IoT and practical projects.
Arduino
Arduino learning content will be added to the OceanLabz learning library.
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Raspberry Pi guides and projects will be added to the same learning system.
Tutorials Library
Browse all hands-on hardware tutorials, pinout references, and code walkthroughs.
ESP32 Web Server: Control Outputs with Timer
## Introduction The **ESP32** is a versatile Wi-Fi + Bluetooth microcontroller capable of…
11 Aug 2025 · 2 min read
ESP32 Micro SD Card with SD Adapter
## Introduction This project shows how to read files from an **SD Card (with SD Adapter)*…
28 Jul 2025 · 2 min read
ESP32 Web Server with Multiple Sliders: Control LEDs Brightness
## Introduction Controlling LEDs with sliders through a web browser? Yes, it’s possible —…
18 Jul 2025 · 3 min read
ESP32 Relay Module (Web Server)
## Introduction The **ESP32 Relay Module Web Server** allows you to control a device like…
14 Jul 2025 · 3 min read
30+ Challenges
### Challenge 1: LED Blink Timer - **Objective**: Blink an LED every 2 seconds using ESP3…
5 Jul 2025 · 6 min read
ESP32 Soil Sensor with Arduino IDE
## Introduction The **Soil Moisture Sensor** measures the water content in soil by output…
23 Jun 2025 · 4 min read
ESP32 Sound Detection Sensor with Arduino IDE
## Introduction The sound sensor module is a great tool for detecting sound levels and is…
20 Jun 2025 · 5 min read
ESP32 WS2812 RGB LED with Arduino IDE
## **Introduction** The WS2812 breakout board features individually addressable RGB LEDs,…
20 Jun 2025 · 6 min read
ESP32 Momentary Push Button with Arduino IDE
## **Introduction** The Momentary Tactile Push Button Module is a simple and essential in…
20 Jun 2025 · 3 min read
ESP32 Monitor Heart Rate with Arduino IDE
## Introduction In this tutorial, we are using a pulse sensor with ESP32 to measure heart…
19 Jun 2025 · 4 min read
ESP32 Rain Drop with Arduino IDE
## Introduction The Raindrop Sensor is used to detect rainfall using a rain-sensing board…
19 Jun 2025 · 3 min read
ESP32 PIR Motion with Arduino IDE
## Introduction The PIR (Passive Infrared) sensor detects motion by sensing changes in in…
19 Jun 2025 · 3 min read
ESP32 7 Segment Display (1 Digit) with Arduino IDE
## Introduction A 7-segment display is used to show numeric digits using 7 LEDs (segments…
19 Jun 2025 · 2 min read
ESP32 Matrix Display with Arduino IDE
## **Introduction** The MAX7219 8×8 LED Matrix module is a versatile component used to di…
19 Jun 2025 · 3 min read
ESP32 RGB LED Module with Arduino IDE
## Introduction The KY-016 RGB module allows you to produce a variety of colors by mixing…
19 Jun 2025 · 5 min read
ESP32 Buzzer with Arduino IDE
## Introduction An active buzzer module is a simple sound-producing component that’s easy…
19 Jun 2025 · 2 min read
ESP32 OLED Display with Arduino IDE
## Introduction The OLED (Organic Light Emitting Diode) display module is an efficient an…
13 Jun 2025 · 7 min read
ESP32 Rotary Encoder with Arduino IDE
## Introduction This project uses a rotary encoder with an ESP32 to detect rotational mov…
13 Jun 2025 · 5 min read
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