ESP8266 Projects | Random Nerd Tutorials

ESP8266 NodeMCU with APDS9960 Proximity, Light, RGB, and Gesture Sensor (Arduino IDE)

Sara Santos — Wed, 25 Jun 2025 15:12:00 +0000

Learn how to use the APDS9960 sensor with the ESP8266 board using Arduino IDE. This sensor combines gesture detection, proximity sensing, and ambient RGB light measurement over I2C. In this ...

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Firebase: Control ESP8266 NodeMCU GPIOs from Anywhere

Sara Santos — Fri, 30 May 2025 08:50:00 +0000

In this guide, you’ll learn how to control the ESP8266 GPIOs from anywhere using Firebase. We’ll create nodes on the Firebase Realtime Database to save the current GPIO states. Whenever ...

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ESP8266 NodeMCU Data Logging to Firebase Realtime Database

Sara Santos — Thu, 15 May 2025 06:58:54 +0000

In this guide, you’ll learn how to log data with the ESP8266 NodeMCU to the Firebase Realtime Database with timestamps (data logging) so that you have a record of your ...

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ESP8266 NodeMCU with Firebase – Creating a Web App

Sara Santos — Tue, 22 Apr 2025 08:48:00 +0000

This guide will teach you how to create a simple Firebase Web App to control and monitor your ESP8266 NodeMCU board. The Web App you’ll create can be accessed worldwide ...

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ESP8266 NodeMCU: Getting Started with Firebase (Realtime Database)

Sara Santos — Mon, 21 Apr 2025 04:12:00 +0000

Get started quickly with Firebase using the ESP8266 NodeMCU board. Firebase is Google’s mobile application development platform that includes many services to manage data from IOS, Android, or web applications. ...

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ESP8266 NodeMCU with NEO-M8N GPS Module (Arduino IDE)

Sara Santos — Wed, 09 Apr 2025 14:27:39 +0000

Learn to interface the NEO-M8N GPS Module with the ESP8266 NodeMCU board programmed with Arduino IDE to get GPS data: latitude, longitude, altitude, UTC time, number of visible satellites, and ...

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ESP8266 NodeMCU: DS3231 Real Time Clock Module (RTC) — Getting Time and Setting Alarms

Sara Santos — Mon, 31 Mar 2025 17:37:45 +0000

Learn how to interface the DS3231 Real Time Clock Module with the ESP8266 to get time and set alarms. The DS3231 RTC module is a great module for accurate timekeeping, ...

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ESP8266 NodeMCU: Guide for DS1307 Real Time Clock (RTC) Module (Arduino IDE)

Sara Santos — Thu, 23 Jan 2025 11:27:25 +0000

Learn how to use the DS1307 Real Time Clock Module with the ESP8266. We’ll cover how to set and read the time. You’ll learn to synchronize the time with the ...

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ESP8266 NodeMCU with MFRC522 RFID Reader/Writer (Arduino IDE)

Rui Santos — Thu, 09 Jan 2025 14:23:10 +0000

Learn how to interface the MFRC522 RFID reader module with the ESP8266 NodeMCU board. You’ll learn how to get raw RFID data, get the RFID card UID, and add personal ...

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ESP8266 NodeMCU OTA (Over-the-Air) Updates – ElegantOTA Library with Arduino IDE

Sara Santos — Thu, 19 Dec 2024 14:04:20 +0000

This tutorial shows how to do OTA (over-the-air) updates to your ESP8266 NodeMCU boards using the ElegantOTA library (V3 version) with Arduino IDE. This library sets up a web server ...

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