Search results for: 'e in arduino'

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 Project, We’ll use RGB LEDs, Environment Sensor, and an Arduino Nano to use colored light to send a message or make an alarm. What You Will Learn Read environment temperature from the DS18B20 sensor by Arduino. Control RGB LEDs by PWM. Make a cool smart mug. A Short Note On DS18B20 The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper an...

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 It would fun to see how your Instagram posts perform in action! We are going to build a gauge that shows your Likes per minute speed. In this article, you will learn how to get data from web pages by ESP8266 and send them to Arduino to analyze and run other actuators.  What You Will Learn Connect the ESP8266 to the internet and get data from web pages. Use Arduino to read ESP8266 data and analyze them. Ge...

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. ...

Overview Have you ever been sitting in your room, and want to turn things like light bulbs or fans on and off, but you don’t feel like doing it? Or you want to turn the cooling system on before arriving home, so it would be pleasantly cool by the time you’ve arrived? So, if you like controlling electrical devices of your home remotely through your cell phone, this tutorial can be so useful for you. There is an application called “Google Assistant” installed on most smartphones. You can use Google ...

Overview In this article we want to show you how to improve the security of your digital data stored in a hard drive by a finger print sensor and Arduino. What You Will Learn Will learn how to use finger print sensor. Will make a security add on for your hard drive. Can give access to specific users to use your data bank. Data Banks Security A hard disk drive (HDD...