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 …
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, …
Learn how to send emails with the ESP32 using an SMTP Server. We’ll show you how to send a simple email with HTML or raw text and how to send …
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 set the Raspberry Pi GPIOs as digital outputs and control them using a Python program. As an example, we’ll show you how to …
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 …
In this project, you’ll create a web page that displays sensor readings in a plot that you can access from anywhere in the world. In summary, you’ll build an ESP32 …
In this project, you’ll build an ESP32 or ESP8266 client that makes an HTTP POST request to a PHP script to insert data (sensor readings) into a MySQL database. Updated …
In this tutorial, we will show you how to use Firebase with Node-RED to store data in the realtime database (RTDB). We’ll show you examples to SET, PUSH, UPDATE, and …