Random Nerd Tutorials

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 ...

The post Raspberry Pi Pico: TM1637 4-Digit 7-Segment Display (MicroPython) first appeared on Random Nerd Tutorials.

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 ...

The post ESP-IDF: ESP32 Wi-Fi Scanner (Scan Nearby Networks RSSI) first appeared on Random Nerd Tutorials.

ESP32: 10 Easy Projects for Beginners

Sara Santos — Wed, 25 Feb 2026 14:02:48 +0000

Getting started with the ESP32 and looking for easy projects to build while learning the fundamentals? You’re in the right place. In this article, we’ve compiled 10 easy ESP32 projects ...

The post ESP32: 10 Easy Projects for Beginners first appeared on Random Nerd Tutorials.

ESP-IDF: ESP32 GPIO Interrupts (Button with Debouncing)

Rui Santos — Thu, 19 Feb 2026 14:41:59 +0000

In this guide, you’ll learn how to set ESP32 GPIO interrupts with ESP-IDF (Espressif IoT Development Framework). The ESP32 is a microcontroller that offers several General Purpose Input/Output (GPIO) pins ...

The post ESP-IDF: ESP32 GPIO Interrupts (Button with Debouncing) first appeared on Random Nerd Tutorials.

ESP32 with YX5300/YX6300 MP3 Player (Arduino IDE)

Rui Santos — Thu, 12 Feb 2026 14:30:06 +0000

This is a guide on how to interface the YX5300 / YX6300 Serial MP3 Music Player Module with the ESP32 programmed with Arduino IDE. You’ll learn how to wire the ...

The post ESP32 with YX5300/YX6300 MP3 Player (Arduino IDE) first appeared on Random Nerd Tutorials.

ESP32: 35 Free Guides for Sensors and Modules

Sara Santos — Fri, 06 Feb 2026 13:08:07 +0000

There is a wide variety of sensors, modules, and peripherals compatible with the ESP32 boards. We have tutorials for the most popular components. This article is a compilation of 35 ...

The post ESP32: 35 Free Guides for Sensors and Modules first appeared on Random Nerd Tutorials.

Raspberry Pi Pico W: Save Network Credentials on a Separate File (MicroPython)

Sara Santos — Thu, 05 Feb 2026 12:40:35 +0000

In this quick guide for the Raspberry Pi Pico W, you’ll learn how to save your network credentials in a separate file saved on the Pico’s filesystem (in addition to ...

The post Raspberry Pi Pico W: Save Network Credentials on a Separate File (MicroPython) first appeared on Random Nerd Tutorials.

ESP32 with TM1637 4-Digit LED 7-Segment Display (Arduino IDE)

Sara Santos — Thu, 29 Jan 2026 15:26:55 +0000

This is a guide on how to interface the TM1637 4-Digit LED 7-Segment display with the ESP32 programmed with Arduino IDE. You’ll learn how to wire the display to the ...

The post ESP32 with TM1637 4-Digit LED 7-Segment Display (Arduino IDE) first appeared on Random Nerd Tutorials.

MicroPython: ESP-NOW with ESP32 – Control Multiple Boards (One to Many)

Sara Santos — Thu, 22 Jan 2026 14:44:53 +0000

In this guide, you’ll learn how to use ESP-NOW to control multiple ESP32 boards from a single ESP32 main controller (one-to-many setup). Think of it like a remote control that ...

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