Raspberry Pi Pinout Guide: How to use the Raspberry Pi GPIOs?
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 …
ESP32-CAM Post Images to Local or Cloud Server using PHP (Photo Manager)
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 …
ESP32-CAM HTTP POST Photos to Local or Cloud Server using PHP and Arduino IDE
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 …
Control ESP32 and ESP8266 GPIOs from Anywhere in the World
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 …
DIY Cloud Weather Station with ESP32/ESP8266 (MySQL Database and PHP)
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 …
ESP32/ESP8266 Send Email Notification using PHP Script
In this project, you’ll build an ESP32 or ESP8266 client that makes an HTTP POST request to a PHP script to send an email notification with sensor readings. You can …
Visualize Your Sensor Readings from Anywhere in the World (ESP32/ESP8266 + MySQL + PHP)
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 …
ESP32/ESP8266 Insert Data into MySQL Database using PHP and Arduino IDE
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. You’ll …
Real-time Data Storage with Firebase and Node-RED
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 …
ESP8266 Time-Based Events using Node-RED and Big Timer
In this tutorial, you’ll learn how to control the ESP8266 NodeMCU outputs using time-based events. For that, we’ll set up an automation system on Node-RED with the Big Timer node. …
ESP32 Time-Based Events using Node-RED and Big Timer
In this tutorial, you’ll learn how to control the ESP32 outputs using time-based events. For that, we’ll set up an automation system on Node-RED with the Big Timer node. This …
Node-RED with Big Timer Node: Create Complex Automation Schedules Easily
In this guide, we’ll show you how you can create complex automation schedules easily using Node-RED and the Big Timer node. The Big Timer node provides a huge range of …
ESP32-CAM Take Photo and Save to MicroSD Card with Date and Time (timestamp)
In this tutorial, you’ll learn to take a picture with the ESP32-CAM and save it to the microSD card. We’ll include the current date and time on the filename. Including …
Monitoring Your Raspberry Pi System using InfluxDB Telegraf
This guide will show you how to monitor your Raspberry Pi system using InfluxDB Telegraf. You can collect metrics from the Raspberry Pi board (CPU usage, memory usage, disk usage, …