OTA | 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 ...

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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. ...

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Getting Started with Raspberry Pi Pico 2 and Pico 2 W

Sara Santos — Thu, 15 May 2025 13:30:59 +0000

The Raspberry Pi Pico 2 is the successor to the original Raspberry Pi Pico (Pico 1). It’s a microcontroller developed by the Raspberry Pi Foundation, built around the RP2350 chip. ...

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ESP32 TFT with LVGL: Display Temperature on Line Chart (BME280)

Rui Santos — Thu, 27 Feb 2025 14:36:58 +0000

In this guide, you’ll learn how to display temperature from the BME280 sensor on an ESP32 and a TFT display using LVGL (Light Versatile Graphics Library). You’ll learn how to ...

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ESP32 CYD with LVGL: Display Temperature on Line Chart (BME280)

Rui Santos — Tue, 25 Feb 2025 14:02:28 +0000

In this guide, you’ll learn how to display temperature from the BME280 sensor on an ESP32 Cheap Yellow Display (CYD) using LVGL (Light Versatile Graphics Library). You’ll learn how to ...

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Raspberry Pi Pico: 20 Free Guides for Sensors and Modules

Sara Santos — Thu, 20 Feb 2025 12:39:35 +0000

This article is a compilation of 20 free guides for different sensors, modules, and peripherals compatible with the Raspberry Pi Pico. Most guides cover programming the RPi Pico using MicroPython ...

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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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ESP32 with MFRC522 RFID Reader/Writer (Arduino IDE)

Rui Santos — Tue, 07 Jan 2025 15:50:31 +0000

Learn how to interface the MFRC522 RFID reader module with the ESP32 board. You’ll learn how to get raw RFID data, get the RFID card UID, and add personal data ...

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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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ESP32 OTA (Over-the-Air) Updates – ElegantOTA Library with Arduino IDE

Sara Santos — Tue, 17 Dec 2024 18:49:51 +0000

This tutorial shows how to do OTA (over-the-air) updates to your ESP32 boards using the ElegantOTA library (V3 version) with Arduino IDE. This library sets up a web server that ...

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