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ESP32 CYD with ESP-NOW: Receive and Display Data From Multiple Boards

Sara Santos — Thu, 10 Jul 2025 13:23:01 +0000

In this project, you’ll learn how to use the ESP-NOW communication protocol with the ESP32 CYD Board (Cheap Yellow Display) to receive and display data from multiple ESP32 sender boards. ...

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ESP32-CAM Save Picture in Firebase Storage

Sara Santos — Tue, 01 Jul 2025 09:50:02 +0000

In this guide, you’ll learn how to take and upload a picture to Firebase Storage using the ESP32-CAM. You’ll create a Firebase project with Storage that allows you to store ...

The post ESP32-CAM Save Picture in Firebase Storage 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.

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.

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 ...

The post ESP32 TFT with LVGL: Display Temperature on Line Chart (BME280) first appeared on Random Nerd Tutorials.

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 ...

The post ESP32 CYD with LVGL: Display Temperature on Line Chart (BME280) first appeared on Random Nerd Tutorials.

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 ...

The post Raspberry Pi Pico: 20 Free Guides for Sensors and Modules first appeared on Random Nerd Tutorials.

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 ...

The post ESP8266 NodeMCU with MFRC522 RFID Reader/Writer (Arduino IDE) first appeared on Random Nerd Tutorials.

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 ...

The post ESP32 with MFRC522 RFID Reader/Writer (Arduino IDE) first appeared on Random Nerd Tutorials.