Search results for: 'arduinos de'

Overview In this article, you will learn how to control DC, Stepper, and servo motors by Arduino and L293D. At the end of this tutorial, you should be able to control spinning direction, acceleration, speed, power and shaft position.If you do not know what L293D is, we suggest reading L293D: Theory, Diagram, Simulation & Pinout . Why Driving Motors with L293D? Driving electromotors needs a high current. In addition, spinning direction and speed are two imp...

Overview OLED Displays: A Beginner’s Guide to Display Text, Image & Animation Using Arduino. What You Will Learn How OLED displays work How to interface OLED displays by Arduino How to display any text or image on OLEDs How display simple animations OLED; What's the theory? An organic light-emitting diode (OLED) is a high-contrast and high-resolution display, making it easy for users to be readable. This kind of displays doesn’t have a ...

Overview In this article, we’ll show you how to make a gesture detector by simple components like PIR sensor and Arduino Nano. What You Will Learn Explain PIR sensor applications and how it works Run an 8-Pixel PIR sensor named TPA81 Use PIR sensor to detect motion and gesture by Arduino Make a cool detector to increase or decrease your speaker volume. PIR Sensor; How Does It Work? A passive infrared sensor (PIR sensor) is an electronic senso...

Overview In this article, you will learn how to use TFT LCDs by Arduino boards. From basic commands to professional designs and technics are all explained here. What You Will Learn Write texts and numbers with your desired font. Draw shapes like circle, triangle, square, etc. Display .bmp images on the screen. Change screen parameters such as rotating and inverting color. ...

Overview In this project, We’ll try to get some information from human body by using simple sensors and Arduino. You can use these information to create a lie detector machine What You Will Learn Know Polygraph and basics of measuring and recording physiological indicators. Will be familiar with Lie Detector systems. Can get data from sensors and analyze them by Arduino. Can measure respiration rate by using ECG electrodes and impedance pneumography. ...

In this tutorial, you will learn how to use the passive infrared (PIR) sensor modules with Arduino. PIR modules play an important role in motion detection technology, security systems, smart lighting, home automation, etc. Whether you're a beginner or an experienced developer —looking to improve your projects— this tutorial will give you a thorough understanding of PIR modules, enabling you to apply them skillfully in your applications. What You Will Learn The str...

Overview In many electronic projects it is necessary to run an operation according to the time or date And the calculation of the time and date shouldn’t stop when the system shuts down. For this purpose, Real Time Clock (RTC) modules are used. In this tutorial, you will learn how to use RTC DS1 with Arduino to make a reminder. What You Will Learn What RTC is Introduction to DS1307 module How to use DS1307 with Ar...

Overview In this tutorial, you’ll learn how to use a 8×8 dot matrix LED module with IC MAX7219. At the end, you’ll be able to display any shape or text on one or more Dot matrix easily, fixed or scrolled, using only 4 digital pins of arduino. What You Will Learn What dot matrix LED is How to use Dot matrix LEDs with Arduino Displaying specific shapes on a Dot matrix LED module Casca...

Overview In this tutorial, you’ll learn about the ESP8266 module, and how to control a LED with your cellphone and web page using a WIFI connection (you can replace LED with components like buzzer or relay). What You Will Learn How to use the ESP8266 module. How to control objects with this module using a WIFI connection. What is the ESP8266 Module? ESP8266 is one of the most practical mo...

Overview In this tutorial, you’ll get to know how to use the rotary encoder. First, you’ll see some information about the rotational encoder, and then you’ll learn how to use a rotary encoder with three practical examples. What You Will Learn What the rotary encoder is and how it works. Displaying encoder position Controlling a LED light using a rotary encoder Controlling a DC moto...