This tutorial explains what is the Arduino EEPROM and what it is useful for. We’re also going to show you how to write and read from the EEPROM and build a project example to put the concepts learned into practice. We have a similar tutorial for the ESP32: ESP32 Flash Memory – Store Permanent Data (WriteContinue reading “Arduino EEPROM Explained – Remember Last LED State”
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Getting Started with the ESP32 Development Board
This article is a getting started guide for the ESP32 development board. If you’re familiar with the ESP8266, the ESP32 is its sucessor. The ESP32 is loaded with lots of new features. The most relevant: it combines WiFi and Bluetooth wireless capabilities and it’s dual core. Find the differences between the ESP32 and the ESP8266: ESP32 vs ESP8266 –Continue reading “Getting Started with the ESP32 Development Board”
Installing Raspbian Lite, Enabling and Connecting with SSH
In this post, I’ll show you how to download and prepare your Raspberry Pi with the latest version of the Raspbian Lite Operating System (OS) and how to establish an SSH communication. Raspberry Pi and microSD card The Raspberry Pi is a computer and like any other computer it needs an OS installed. The Pi doesn’t haveContinue reading “Installing Raspbian Lite, Enabling and Connecting with SSH”
Node-RED with Raspberry Pi Camera (Take Photos)
In this project we’re going to show you how to take photos with Node-RED using the Raspberry Pi Camera Module V2. Prerequisites: You should be familiar with the Raspberry Pi – read Getting Started with Raspberry Pi. You should have the Raspbian or Raspbian Lite operating system installed in your Raspberry Pi – read Installing Raspbian Lite,Continue reading “Node-RED with Raspberry Pi Camera (Take Photos)”
Email Alert System on Location Change with Raspberry Pi and GPS Module
In this tutorial you’ll learn how to build an email alert system on location change with a Raspberry Pi. In summary, you’ll send GPS data to your email address using the Raspberry Pi and the NEO-6M GPS module. This project can be extended to act as a GPS tracker that would log the coordinates intoContinue reading “Email Alert System on Location Change with Raspberry Pi and GPS Module”
11 Clever Uses for Your Raspberry Pi
Raspberry Pi is a credit card-sized development board and it is the perfect tool for students, artists, hobbyists and hackers. It is a very versatile board with application in several areas. Here are some awesome uses for your Raspberry Pi. 1. Retro Gaming Do you miss Nintendo, Sega, GameBoy and arcade games? You can transform your RaspberryContinue reading “11 Clever Uses for Your Raspberry Pi”
Raspberry Pi Web Server using Flask to Control GPIOs
In this project you’ll create a standalone web server with a Raspberry Pi that can toggle two LEDs. You can replace those LEDs with any output (like a relay or a transistor). In order to create the web server you will be using a Python microframework called Flask. Parts Required Here’s the hardware that you needContinue reading “Raspberry Pi Web Server using Flask to Control GPIOs”
CCTV Raspberry Pi Based System with Storage using MotionEyeOS
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25+ Raspberry Pi Projects
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[SOLVED] DHT11/DHT22 – Failed to read from DHT sensor
This is a troubleshooting guide for the most common issues with the DHT sensor when using ESP32, ESP8266, Arduino, or similar boards. If you get an error message in your serial Monitor while reading the temperature and humidity from the DHT11, DHT22, AM2302 or AM2301 sensor, follow the next steps to see if you canContinue reading “[SOLVED] DHT11/DHT22 – Failed to read from DHT sensor”
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