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Year in Review 2018 – Random Nerd Tutorials

2018 is almost over and it has just flown by! It is a good time to reflect about what happened during this year. This was a great year for Random …

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How to Create .bin (binary) Files from Sketch on Arduino IDE

This guide shows how to generate a .bin (binary) file from your sketch on Arduino IDE. Generate a .bin file in Arduino IDE As an example, we’ll generate a .bin file …

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Power ESP8266 with Mains Voltage using Hi-Link HLK-PM03 Converter

In this post you’ll learn how to power the ESP8266 (or ESP32) with mains voltage using the Hi-Link HLK-PM03 converter. As an example, we’ll use the ESP8266-01 to control a …

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MicroPython – Getting Started with MQTT on ESP32/ESP8266

In this tutorial, we’ll show you how to use MQTT to exchange data between two ESP32/ESP8266 boards using MicroPython firmware. As an example, we’ll exchange simple text messages between two …

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ESP32 Over-the-air (OTA) Programming – Web Updater Arduino IDE

Quick guide that shows how to do over-the-air (OTA) programming with the ESP32 using the OTA Web Updater in Arduino IDE. The OTA Web Updater allows you to update/upload new code …

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Better Debugging for Arduino IDE: SerialDebugApp (Part 3)

The SerialDebug library created by João Lopes allows you to improve debugging for Arduino IDE. In this article he’ll show you how to use the SerialDebugAp, companion app of the SerialDebug library.

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Better Debugging for Arduino IDE using Software Debugger (Part 2)

The SerialDebug library created by João Lopes allows you to improve debugging for the Arduino IDE. In this article he’ll show you how to use the simple software debugger of the SerialDebug library that has most functionalities of an hardware debugger.

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Better Debugging for Arduino IDE: SerialDebug Library (Part 1)

The SerialDebug library allows you to improve and do better debugging in Arduino IDE. In this post, João Lopes (creator of the SerialDebug library) shows you how use it in your projects.

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ESP32 Flash Memory – Store Permanent Data (Write and Read)

Save permanent data on the ESP32 flash memory

In this article we’ll show you how to store and read values from the ESP32 flash memory using Arduino IDE. The data saved in the flash memory remains there even …

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ESP32/ESP8266 MicroPython Web Server – Control Outputs

Learn how to build a web server to control the ESP32 or ESP8266 outputs using MicroPython framework. As an example we’ll build a web server with ON and OFF buttons to …

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MicroPython with ESP32 and ESP8266: Interacting with GPIOs

In this article we’re going to take a look on how to interact with the ESP32 and ESP8266 GPIOs using MicroPython. We’ll show you how to read digital and analog …

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ESP32 Web Server using SPIFFS (SPI Flash File System)

In this tutorial we’ll show you how to build a web server that serves HTML and CSS files stored on the ESP32 filesystem. Instead of having to write the HTML …

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MicroPython Programming Basics with ESP32 and ESP8266

MicroPython is a re-implementation of Python programming language targeted for microcontrollers and embedded systems like the ESP32 or ESP8266.

Getting Started with MicroPython on ESP32 and ESP8266

Learn how to get started with MicroPython firmware on the ESP32 and ESP8266. We’ll introduce you to MicroPython, show you the differences between MicroPython and regular Python, and how to …

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Learn ESP32 with Arduino IDE eBook » Complete guide to program the ESP32 with Arduino IDE!



SMART HOME with Raspberry Pi, ESP32, and ESP8266 » learn how to build a complete home automation system.



Learn Raspberry Pi Pico/Pico W with MicroPython​ » The complete getting started guide to get the most out of the the Raspberry Pi Pico/Pico W (RP2040) microcontroller board using MicroPython programming language.



🔥 Learn LVGL: Build GUIs for ESP32 Projects​ » Learn how to build Graphical User Interfaces (GUIs) for ESP32 Projects using LVGL (Light Versatile Graphics Library) with the Arduino IDE.

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