Random Nerd Tutorials

ESP32: Play Sound or Audio .mp3/.wav Files using YX5300 (Arduino IDE)

Rui Santos — Thu, 30 Apr 2026 15:39:19 +0000

Learn how to play .mp3 or .wav audio files stored on microSD card using an ESP32. We’ll be using the YX5300 / YX6300 Serial MP3 Music Player Module wired to ...

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ESP32 Web Server: Set Timer Schedule (Arduino IDE)

Rui Santos — Thu, 23 Apr 2026 14:01:47 +0000

In this project, we’ll build a web server with the ESP32 that allows you to control an LED by scheduling a timer with an ON/OFF action for any period duration ...

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Raspberry Pi Pico: Web Server (Arduino IDE)

Sara Santos — Thu, 16 Apr 2026 14:19:53 +0000

Learn how to create a basic web server with the Raspberry Pi Pico W programmed with Arduino IDE using the ESPAsyncWebServer library. In this tutorial, we’ll cover how to serve ...

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ESP-IDF: ESP32 Simple Web Server (Serve HTML Page)

Rui Santos — Thu, 09 Apr 2026 13:02:35 +0000

This guide shows how to build a simple local web server with the ESP32 programmed with ESP-IDF that serves a simple HTML web page. This web page can then be ...

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MicroPython String Formatting – 3 Different Ways (ESP32, ESP8266, RPi Pico)

Sara Santos — Fri, 03 Apr 2026 10:07:28 +0000

In this quick guide, we’ll explore different string formatting techniques essential for manipulating text in MicroPython. These techniques are useful for tasks such as displaying information to users, logging data, ...

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ESP32 CYD: Use Display, Touchscreen and MicroSD Card Simultaneously

Sara Santos — Thu, 26 Mar 2026 12:11:50 +0000

In this guide, we’ll show you how to use the display, touchscreen, and microSD card all at once with the ESP32 CYD (Cheap Yellow Display) board. We’ll build a simple ...

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ESP32: Temperature on TM1637 7-Segment Display (WeatherAPI)

Sara Santos — Thu, 19 Mar 2026 14:15:12 +0000

In this project, we’ll display the current temperature for your city (or any city of your choice) on the TM1637 7-segment display. To get the temperature, we’ll make HTTP requests ...

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MicroPython: ESP32/ESP8266 with TM1637 4-Digit LED 7-Segment Display

Sara Santos — Thu, 12 Mar 2026 14:28:33 +0000

Learn how to interface TM1637 4-Digit LED 7-Segment Display with the ESP32 and ESP8266 boards programmed with MicroPython. Learn how to wire the display to the boards and how to ...

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Raspberry Pi Pico: TM1637 4-Digit 7-Segment Display (MicroPython)

Sara Santos — Wed, 11 Mar 2026 15:10:45 +0000

Learn how to use the TM1637 4-Digit 7-Segment Display with the Raspberry Pi Pico programmed with MicroPython. We provide instructions on how to wire the display to the board, install ...

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ESP-IDF: ESP32 Wi-Fi Scanner (Scan Nearby Networks RSSI)

Rui Santos — Wed, 04 Mar 2026 18:49:58 +0000

In this guide, you’ll learn how to setup an ESP32 as a Wi-Fi scanner with ESP-IDF (Espressif IoT Development Framework). The Wi-Fi scanner code allows you to find nearby network ...

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