Raspberry Pi Pico: Fading an LED using PWM (Arduino IDE)
Learn how to generate PWM signals with the Raspberry Pi Pico using Arduino IDE. As an example, we’ll show you how to dim the brightness of an LED by changing …
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Raspberry Pi Pico: Read Analog Inputs (Arduino IDE)
This guide shows how to read analog values with the Raspberry Pi Pico using Arduino IDE. As an example, we’ll read the values from a potentiometer, but what you’ll learn …
ESP8266 NodeMCU: 25 Free Guides for Sensors and Modules
There is a wide variety of sensors, modules, and peripherals compatible with the ESP8266 NodeMCU boards. We have tutorials for the most popular components. This article is a compilation of …
ESP32: 29 Free Guides for Sensors and Modules
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 29 …
Raspberry Pi Pico and Pico W Pinout Guide: GPIOs Explained
This article goes into detail about the Raspberry Pi Pico and Pico W pinout. The Raspberry Pi Pico comes with 40 pins that can be used to connect electronic components …
Raspberry Pi Pico: Control Digital Outputs and Read Digital Inputs (Arduino IDE)
Learn how to set the Raspberry Pi Pico GPIOs as digital inputs and digital outputs using Arduino IDE. You’ll learn how to read digital inputs like a button switch and …
Raspberry Pi: Send an Email using Python (SMTP Server)
In this guide, you’ll learn how to send an email from your Raspberry Pi using a Python Script and SMTP servers. The example we’ll show can also be run on …
Programming Raspberry Pi Pico with Arduino IDE (Pico W compatible)
Learn how to program the Raspberry Pi Pico using Arduino IDE software. The Raspberry Pi Pico is a low-cost microcontroller board developed around the RP2040 chip by the Raspberry Pi …
Getting Started with Raspberry Pi Pico (and Pico W)
This article is a getting-started guide for the Raspberry Pi Pico W microcontroller board. It was built around the RP2040 chip, provides many GPIOs to connect peripherals, and can be …
30+ Raspberry Pi Projects, Tutorials and Guides
30+ Raspberry Pi Projects, Tutorials and Guides The Raspberry Pi is a small computer board about the size of a credit card. It was developed in the United Kingdom by …
7 Different Ways to Send Notifications with the ESP32
In this guide, we’ll show you seven different ways to send notifications with the ESP32. We’ll cover sending SMS, emails, WhatsApp messages, and Telegram messages. We’ll show you different options …
Year in Review 2022 – Random Nerd Tutorials
The new year is just around the corner. This means it’s time for a Year in Review. We’ll share with you a summary of what happened throughout 2022 on the …
ESP32 Wireless Communication Protocols
The ESP32 supports several different wireless communication protocols. Each protocol has its advantages and disadvantages and one can be more suitable than the other depending on the application. This guide …
[SOLVED] Could not find a valid BME280 sensor, check wiring!
This is a troubleshooting guide for the BME280 temperature, humidity, and pressure sensor when using ESP32, ESP8266, Arduino, or similar boards. If you get an error message in your Serial …