Home / Tutorials / Arduino Tutorial (page 3)

Arduino Tutorial

How to Use the E32-TTL-100 SX1278 LoRa Module

E32-TTL-100 SX1278 LoRa Module

LoRa is a promising low-power, long range wireless transmission protocol developed by Semtech as part of the emergence of Internet of Things (IoT). Simply put, it is a method for sending data separate from WiFi, Zigbee or Bluetooth. Its low power consumption amidst very long range of transmission (up to …

Read More »

Arduino Boards

Arduino Boards

The number of Arduino boards have increased over the years; some have been discontinued while others are still available. The choice of which board to use depends on several factors: price, features, availability, ease of use, etc. Here’s a summary of all Arduino boards with their pros and cons.

Read More »

How to Use a Flex Sensor

Flex Sensor

A flex sensor can be used with a microcontroller to detect or measure bending.  In this tutorial, I will show how to interface this sensor with an Arduino UNO and discuss some possible flex sensor applications and projects.

Read More »

PIR Motion Sensor

HC-SR501 PIR motion sensor

You can in fact build your own motion sensor without spending too much. Motion sensors can be setup using ultrasonic transceivers, video cameras or microwave signals. In this tutorial, I’ll show you how to use the PIR motion sensor with a microcontroller. PIR is short for passive infrared which describes …

Read More »

Using the MicroSD Breakout Board with Arduino

Microcontrollers usually don’t have enough memory to store data like images, database or even large text files. EEPROMs are tasked for this, but the portability of a memory card gives it a big advantage. This tutorial shows how easy to use a microSD card with the Arduino microcontroller.

Read More »

How to Use the MQ-3 Alcohol Sensor

The MQ-3 alcohol sensor is useful for projects that tests levels of alcohol, benzine, hexane or LPG in the air but it is most popularly used as a breathalyzer (breath analyzer) for someone who drank beer, wine or other liquor. Learn how to use this sensor in this tutorial.

Read More »