Category: Tutorials

Blinking LED with Arduino

Introduction In this tutorial, you will learn how to connect a LED to your Arduino UNO and make it blink. Required Hardware ARDUINO UNO R3 Breadboard LED (any color) male to male jumper wires 330Ω Resistor Wiring   Code On your PC, open this code in the Arduino IDE. Run it on your Arduino. Voila!…
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4×4 Keypad with Arduino

Introduction Today we are going to connect the 4×4 keypad to an Arduino UNO. You can connect this to any Arduino board with 8 free digital pins. This keypad has a total of 16keys, including ABCD, Pound, and an asterisk. Required Hardware For this module you will need: Arduino Uno 4×4 Keypad male to male jumper wires…
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RFID with Arduino

Introduction (How it Works) Mifare RC522 is the highly integrated RFID card reader which works on non-contact 13.56mhz communication, is a low power consumption, low cost, and compact size read and write chip, is the best choice in the development of smart meters and portable hand-held devices. Required Hardware For this module you will need:…
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Sound Detection Module with Raspberry Pi

Introduction In this tutorial, you will learn how to connect a sound sensor to your Raspberry Pi’s GPIO pin and make it detect sound using Python. Required Hardware Raspberry Pi (any model) Sound Sensor Female to Female jumper wires microSD card with Raspbian GNU/Linux distribution Wiring Connect the sound sensor to your Raspberry Pi as…
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Blinking LED with Raspberry Pi

Introduction In this tutorial you will learn how to connect a LED to your Raspberry Pi’s GPIO pin and make it blink using Python. Required Hardware Raspberry Pi (any model) Breadboard LED (any colour) Female to male jumper wires 470Ω Resistor microSD card with Raspbian GNU/Linux distribution Wiring Code On your Raspberry Pi, open a…
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Motion Detection Module

Introduction (How it Works) PIR stands for Passive Infrared Sensor which is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. PIR detect emitted infrared energy – given off by humans and animals in the form of heat. When there is a sudden increase in infrared energy, an…
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Connect to Raspberry Pi using SSH

Introduction SSH, the Secure SHell, is a replacement for RSH. It provides a secure, encrypted connection, through which you can have normal, interactive logins to or from the remote machine. It also comes with SCP, a replacement for RCP. Required Software PuTTY (for windows only) Steps Required On your Raspberry Pi, open a terminal window.…
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Distance Detection Module

Introduction (How it Works) The ultrasonic sensor HC-SR04 is a quite popular and fairly cheap module for Raspberry Pi. It works by emitting ultrasound waves at 40,000 Hz which travels through the air and if there is an object or obstacle on its path it will bounce back to the module. Considering the travel time…
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