micropython | 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 ...

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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 ...

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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.

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.

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. ...

The post Getting Started with Raspberry Pi Pico 2 and Pico 2 W first appeared on Random Nerd Tutorials.

ESP8266 NodeMCU: DS3231 Real Time Clock Module (RTC) — Getting Time and Setting Alarms

Sara Santos — Mon, 31 Mar 2025 17:37:45 +0000

Learn how to interface the DS3231 Real Time Clock Module with the ESP8266 to get time and set alarms. The DS3231 RTC module is a great module for accurate timekeeping, ...

The post ESP8266 NodeMCU: DS3231 Real Time Clock Module (RTC) — Getting Time and Setting Alarms first appeared on Random Nerd Tutorials.

ESP32 Light Sleep Mode and Wake-Up Sources (Arduino IDE)

Sara Santos — Thu, 20 Mar 2025 15:25:47 +0000

Light Sleep is one of the power-saving modes supported by the ESP32. In this guide, we’ll look at how to implement the Light Sleep mode with the ESP32 and the ...

The post ESP32 Light Sleep Mode and Wake-Up Sources (Arduino IDE) first appeared on Random Nerd Tutorials.

ESP32: Guide for DS3231 Real Time Clock Module (RTC) — Getting Time and Setting Alarms

Sara Santos — Wed, 12 Mar 2025 17:43:52 +0000

This tutorial is a getting-started guide for the DS3231 Real Time Clock Module with the ESP32. The DS3231 RTC module is a great module for accurate timekeeping, it also allows ...

The post ESP32: Guide for DS3231 Real Time Clock Module (RTC) — Getting Time and Setting Alarms first appeared on Random Nerd Tutorials.