Random Nerd Tutorials

MicroPython: ESP-NOW with ESP32 (Getting Started)

Sara Santos — Thu, 19 Jun 2025 13:48:55 +0000

Learn how to use ESP-NOW communication protocol with the ESP32 programmed with MicroPython. ESP-NOW is a connectionless communication protocol created by Espressif, designed for short packet transmission. It is one ...

The post MicroPython: ESP-NOW with ESP32 (Getting Started) first appeared on Random Nerd Tutorials.

Programming Raspberry Pi Pico 2 and 2 W with Arduino IDE

Sara Santos — Wed, 18 Jun 2025 17:42:44 +0000

Learn how to program the Raspberry Pi Pico 2 or 2 W boards using Arduino IDE. The Raspberry Pi Pico 2 / 2 W is a microcontroller developed by the ...

The post Programming Raspberry Pi Pico 2 and 2 W with Arduino IDE first appeared on Random Nerd Tutorials.

ESP-IDF: ESP32 Blink LED Example (VS Code)

Rui Santos — Thu, 12 Jun 2025 13:26:58 +0000

Learn how to blink an LED on an ESP32 board with ESP-IDF (Espressif IoT Development Framework). The ESP-IDF was developed by Espressif, and it is the “official” way to program ...

The post ESP-IDF: ESP32 Blink LED Example (VS Code) first appeared on Random Nerd Tutorials.

Control ESP32/ESP8266 GPIOs from Anywhere (Firebase Web App)

Sara Santos — Thu, 12 Jun 2025 09:39:00 +0000

In this guide, you’ll create a Firebase Web App to control the ESP32 or ESP8266 GPIOs from anywhere. The access to the web app is protected with authentication using email ...

The post Control ESP32/ESP8266 GPIOs from Anywhere (Firebase Web App) first appeared on Random Nerd Tutorials.

MicroPython: ESP32/ESP8266 Get Device Info (CPU, MAC Address, Flash Size, PSRAM & More)

Sara Santos — Wed, 04 Jun 2025 16:40:48 +0000

In this quick guide, we’ll share a simple MicroPython script that displays useful information about your board. It’s a great tool for diagnostics and testing. The script retrieves details about ...

The post MicroPython: ESP32/ESP8266 Get Device Info (CPU, MAC Address, Flash Size, PSRAM & More) first appeared on Random Nerd Tutorials.

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 ...

The post Firebase: Control ESP8266 NodeMCU GPIOs from Anywhere first appeared on Random Nerd Tutorials.

Raspberry Pi Pico with Interrupts: External and Timer Interrupts (MicroPython)

Sara Santos — Thu, 29 May 2025 12:51:30 +0000

In this guide, we’ll show you how to handle interrupts with the Raspberry Pi Pico using MicroPython and build some project examples with a pushbutton and a PIR motion sensor. ...

The post Raspberry Pi Pico with Interrupts: External and Timer Interrupts (MicroPython) first appeared on Random Nerd Tutorials.

MicroPython: ESP32/ESP8266 with DS3231 Real Time Clock (Get Time and Set Alarms)

Sara Santos — Wed, 28 May 2025 16:03:59 +0000

Learn how to interface the DS3231 Real Time Clock Module with the ESP32 and ESP8266 boards programmed with MicroPython. The DS3231 RTC module is a great module for accurate timekeeping, ...

The post MicroPython: ESP32/ESP8266 with DS3231 Real Time Clock (Get Time and Set Alarms) first appeared on Random Nerd Tutorials.

Firebase: Control ESP32 GPIOs from Anywhere

Sara Santos — Mon, 26 May 2025 08:39:00 +0000

In this guide, you’ll learn how to control the ESP32 GPIOs from anywhere using Firebase. We’ll create nodes on the Firebase Realtime Database to save the current GPIO states. Whenever ...

The post Firebase: Control ESP32 GPIOs from Anywhere first appeared on Random Nerd Tutorials.

Programming ESP32 with ESP-IDF using VS Code – Getting Started Guide

Rui Santos — Thu, 22 May 2025 13:10:18 +0000

Learn how to program the ESP32 boards with the ESP-IDF (Espressif IoT Development Framework). The ESP-IDF was developed by Espressif and it is intended for development of Internet of Things ...

The post Programming ESP32 with ESP-IDF using VS Code – Getting Started Guide first appeared on Random Nerd Tutorials.