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Category Archives for Arduino

Guide for Real Time Clock (RTC) Module with Arduino (DS1307 and DS3231)

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This post is about how to use the DS1307 Real Time Clock (RTC) module with the Arduino. You can also follow this guide for other similar modules like the DS3231 RTC.

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Guide for 0.96 inch OLED Display with Arduino

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This post shows how to use the small 0.96 inch OLED display with the Arduino board.

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Guide for WS2812B Addressable RGB LED Strip with Arduino

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This post is about the WS2812B LED strip, which is an addressable RGB LED strip. The information in this post also works with other similar LED strips, such as strips of the WS28XX family, Neopixel strip and others.

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Guide for DS18B20 Temperature Sensor with Arduino

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In this guide I’ll show you how to read the temperature with the DS18B20 temperature sensor with the Arduino board. The DS18B20 Temperature Sensor The DS18B20 temperature sensor is a 1-wire digital temperature sensor. This means that you can read the temperature with a very simple circuit setup. It communicates on common bus, which means that you […]

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Guide for 8×8 Dot Matrix MAX7219 with Arduino + Pong Game

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The dot matrix that we’re going to use in this guide is a 8×8 matrix which means that it has 8 columns and 8 rows, so it contains a total of 64 LEDs. The MAX7219 chip makes it easier to control the dot matrix, by just using 3 digital pins of the Arduino board. I think the […]

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Guide for Rain Sensor FC-37 or YL-83 with Arduino

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The rain sensor is used to detect water and it can detect beyond of what a humidity sensor do. The FC-37 rain sensor (or other versions like YL-83) is set up by two pieces: the electronic board (at the left) and the collector board (at the right) that collects the water drops

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Guide for Soil Moisture Sensor YL-69 or HL-69 with Arduino

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The soil moisture sensor or the hygrometer is usually used to detect the humidity of the soil. So, it is perfect to build an automatic watering system or to monitor the soil moisture of your plants.

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Electronics Basics – How do RGB LEDs work?

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With an RGB LED you can produce almost any color you would like. How is this possible with just one single LED?

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Security Access using MFRC522 RFID Reader with Arduino

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This blog post shows a simple example on how to use the MFRC522 RFID reader. I’ll do a quick overview of the specifications and demonstrate a project example using an Arduino.

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Sending Data From an Arduino to the ESP8266 via Serial

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In this tutorial you’re going to learn how to send data from an Arduino to the ESP8266 via serial communication.

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Arduino – Display the LED Brightness on a LCD 16×2

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In this project we’re going to display the LED brightness on a LCD 16×2 with a progress bar.

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Control your Arduino with Voice Commands [Android App]

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Hi, In this project we’re going to control an Arduino with Voice commands with a Simple android App that I’ve create with MIT App Inventor.

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Arduino – Control 220V Lamps from Anywhere in the World

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Hi, If you’re following my email/facebook updates you know I promised more tutorials related to Home Automation. In this tutorial we’re going to control 2 lamps with an Arduino and an Ethernet Shield. If you have an Internet connection you can control those lamps from anywhere in the world.

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Android App that Sends a Message to Your Arduino

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In this project I’m going to show an Android app that sends a message to your Arduino via bluetooth. And that message will be displayed in a Doted Matrix display.

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