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 …
In this tutorial, you’ll learn how to send emails with the ESP8266 NodeMCU board using an SMTP server. We’ll show how to send an email with raw text, HTML text, …
In this guide, you’ll learn how to upload files to the ESP32 Filesystem (LittleFS) by using a plugin for Arduino IDE (1.8.X). LittleFS is a lightweight filesystem created for microcontrollers …
In this guide, you’ll learn how to set the Raspberry Pi GPIOs as digital inputs and how to read their state using a Python program. As an example, we’ll read …
In this guide, you’ll learn how to read analog signals on the Raspberry Pi GPIOs using a Python program. The Raspberry Pi can only read digital signals. To read analog …
In this guide, you’ll learn how to generate PWM signals on the Raspberry Pi GPIOs. As an example, we’ll show you how to dim the brightness of an LED by …
In this guide, you’ll learn how to send ESP8266 notifications to Pushover. Pushover is a notification service that integrates with many applications. You can send push notifications to all of …
In this guide, you’ll learn how to send ESP32 notifications to Pushover. Pushover is a notification service that integrates with many applications. You can send push notifications to all of …
In this guide, you’ll learn how to set the Raspberry Pi GPIOs as digital outputs and control them using a Python program. As an example, we’ll show you how to …
The Raspberry Pi 4 Model B and most recent versions of the Raspberry Pi have a double row of 40 GPIOs (General Purpose Input/Output Pins) that allow you to connect …
Learn how to make HTTP POST requests using the ESP32-CAM board with Arduino IDE to send photos to a server. We’ll show how to post a JPG/JPEG image to a …
In this guide, you’ll learn how to make HTTP POST requests using the ESP32-CAM board with Arduino IDE to send photos to a server. We’ll show how to post a …
In this project, you’ll learn how to control your ESP32 or ESP8266 GPIOs from anywhere in the world. This can be very useful to control a relay, a thermostat, or …
Build a cloud weather station dashboard to visualize your ESP32 or ESP8266 sensor readings from anywhere in the world. You’ll visualize your sensor data displayed on gauges and on a …