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Category Archives for Arduino

Arduino Ethernet Web Server with Relay

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This posts shows how to build an Arduino Ethernet web server that controls a relay that is attached to a lamp. You can access your web server with any device that has a browser and it’s connected to the same network.

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20 Free Guides for Arduino Modules and Sensors

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The Arduino community has created a wide variety of modules and sensors that can enhance your projects. Here’s the ultimate collection of 20 free guides for Arduino Modules and Sensors that can help you get started with them. Let’s start!

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Guide for Relay Module with Arduino

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This post shows how to use a relay module with your Arduino. It starts by demonstrating how to connect the relay to mains voltage and to the arduino. Then, you’ll have an example on how to control a lamp with a relay module and a PIR motion sensor.

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Guide for the Tilt Sensor (inclinometer) with Arduino

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This post shows how to use the tilt sensor module with the Arduino. The tilt sensor is many times referred to as inclinometer, tilt switch or rolling ball sensor. Using a tilt sensor is a simple way to detect orientation or inclination.

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Guide for Microphone Sound Sensor with Arduino

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This post shows how to use the microphone sound sensor with the Arduino board.

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9 Arduino Compatible Temperature Sensors for Your Electronics Projects

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Reading the temperature with the Arduino is a very useful task. It is commonly used in a weather station project or in a home thermostat, for example. There are several ways of measuring the temperature.

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Guide for BMP180 Barometric Sensor with Arduino

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This post is about how to use the BMP180 barometric sensor with the Arduino. It is also applicable for other similar barometric sensors.

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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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