π IoT Project Library
Real-world projects built with ESP32, ESP8266, and Raspberry Pi Pico W
Complete IoT Project Library for ESP32, ESP8266 and Pico W
Welcome to the OceanRemote project library β a growing collection of complete IoT projects featuring wiring diagrams, firmware code, and step-by-step instructions. Whether you're building a temperature monitoring system, automating your home with relay controls, or creating a greenhouse climate controller, you'll find ready-to-use projects here.
What You'll Find in This Library
- ESP32 Projects: Temperature monitoring, relay control, DHT22 sensors, and industrial automation
- ESP8266 Projects: D1 Mini and D1 Large based home automation, sensor logging, and remote control
- Raspberry Pi Pico W Projects: Independent relay control, DHT22 temperature/humidity monitoring, and IoT dashboards
- Complete Firmware Code: Every project includes ready-to-use C++ code for Arduino IDE
- Wiring Diagrams: Clear pin mapping and connection instructions
All projects are compatible with the OceanRemote platform, allowing you to control and monitor your devices from anywhere in the world. Each project includes secure token authentication, session management, and offline backup capabilities.
Popular project categories: Temperature monitoring Β· Humidity logging Β· Relay control Β· Home automation Β· Greenhouse control Β· Server room monitoring Β· Advanced IoT Β· Smart home HVAC
How to Use These IoT Projects
Each project includes complete firmware code ready to copy into Arduino IDE. The code is pre-configured for the specific hardware β just add your WiFi credentials and OceanRemote registration token, then flash to your board.
Popular Search Terms
Users often search for: ESP32 temperature sensor, ESP8266 relay control, Pico W DHT22, home automation with ESP32, remote temperature monitoring, smart relay switch, IoT greenhouse controller, server room temperature alert, freezer monitoring system, ESP8266 D1 Mini projects, ESP32 DHT22 tutorial, Pico W relay control.
Submit Your Own Project
Have you built something with ESP32, ESP8266, or Pico W? Share your project with the community. Include wiring diagrams, firmware code, and photos. Your project will help others learn and build their own IoT systems. All submissions are reviewed before being published.
Why OceanRemote for Your Projects
OceanRemote provides secure token authentication, session management, and offline backup for all your IoT devices. The platform is free for up to 10 devices and requires very low coding β firmware is generated for you. Just configure, download, and flash.
ESP32 DHT22 Temperature and Humidity Monitor with Relay Control
ESP32 with DHT22 sensor monitoring temperature and humidity. OceanRemote platform.' frimware: (( dont use this frimware (its expire ) generate yours.!!!
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ESP8266 D1 Mini DHT22 Temperature and Humidity Monitor
ESP8266 D1 Mini with DHT22 sensor for temperature and humidity monitoring. Features 5 independent relay controls on dedicated GPIO pins (D1=GPIO5, D2=GPIO4, D3=GPIO0, D6=GPIO12, D5=GPIO14). Connects to OceanRemote platform for β¦
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Raspberry Pi Pico W DHT22 Temperature and Humidity Monitor
Raspberry Pi Pico W with DHT22 sensor for temperature and humidity monitoring. Features 5 fully independent relay controls on dedicated GPIO pins (GP11, GP12, GP13, GP14, GP15). Connects to OceanRemote β¦
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ESP8266 D1 Large DHT22 Temperature and Humidity Monitor
ESP8266 D1 Large with DHT22 sensor for temperature and humidity monitoring. Features 5 independent relay controls on dedicated pins (D1, D2, D3, D4, D5). Connects to OceanRemote platform for remote β¦
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ESP32 5-Channel Relay Control Module - Negative Logic
Control 5 relays with your ESP32 using negative logic (LOW = ON, HIGH = OFF). Perfect for home automation, industrial control, and smart switching. Each relay can control lights, fans, β¦
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ESP8266 D1 Mini 5-Channel Relay Control - Negative Logic
Turn your ESP8266 D1 Mini into a powerful 5-relay controller. Uses negative logic (LOW activates relay). Great for smart home lighting, garden watering systems, and remote appliance control. The compact β¦
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ESP8266 D1 Large 5-Channel Relay Control - Negative Logic
The ESP8266 D1 Large offers more GPIO pins and breadboard-friendly layout. Control 5 relays independently with negative logic (LOW = ON). Perfect for workshop automation, multiple device control, and prototyping β¦
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Raspberry Pi Pico W 5-Channel Relay Control - Negative Logic
Control 5 relays with your Raspberry Pi Pico W using negative logic (LOW = ON). The Pico W offers independent GPIO pins with no internal conflicts β perfect for relay β¦
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ESP32 Temperature Controlled Fan with DHT22 and Relay
Automatically control a fan based on temperature readings from a DHT22 sensor. The ESP32 reads temperature every 2 seconds. When temperature exceeds a threshold (e.g., 30Β°C), the relay turns ON β¦
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ESP8266 D1 Mini Temperature Controlled Fan with DHT22 and Relay
Turn your ESP8266 D1 Mini into a smart temperature-based fan controller. DHT22 sensor measures ambient temperature. When temperature goes above set point, the relay activates the fan. When temperature drops, β¦
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ESP8266 D1 Large Temperature Controlled Fan with DHT22 and Relay
Build a temperature-controlled fan system using ESP8266 D1 Large, DHT22 sensor, and relay. The board reads temperature and humidity, then automatically switches a fan ON/OFF based on user-defined threshold. Manual β¦
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Raspberry Pi Pico W Temperature Controlled Fan with DHT22 and Relay
Create a smart fan controller with Raspberry Pi Pico W, DHT22 sensor, and relay. The Pico W monitors temperature continuously. When temperature exceeds threshold, the relay activates the fan. When β¦
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