Tag: Arduino

Garage door openers primary operate on 433 MHz frequency band. The technology of these fobs is very basic and crude, and have no security or encryption in place.

A USB rubber ducky is a USB device that looks like a normal USB thumb drive with the exception that it can be used to send HID commands

Python is a very versatile programming language that is used to run embedded software on Linux devices such as the Raspberry Pi or to write scripts to automate

Smart bulb or smart LEDs are energy-efficient and multicolour lights that can be controlled by your Android phones, iPhone, iPad and tablets. These smart bulbs can cost anywhere

The price of LEDs has fallen by 90% since 2010 and it is expect to fall further in the coming years. This has made LED technologies more accessible

An LCD screen can makes your simple Arduino projects look a lot cooler. A typical Arduino TFT LCD touch screen can cost around £20 from Adafruit for instance.

In robotics projects there are needs to detect obstacle such as a wall. The famous Roomba, for instance, has wall sensors that detects obstacles and thus prevents it

Non-contact infrared thermometers are widely used in medical and industrial application. In medical applications, digital thermometers have been replacing mercury stick thermometers due to more convenient measurements and

Introduction RC522 are cheap RFID modules that can be used to read and write data on Mifare tags. The microcontroller and the module uses SPI for communication. The

Introduction In this post, we are going to show you how to interface a matrix keypad to an Arduino. In the most simple case, typically one port pin

This post describes the use of an ultrasonic sensor to measure distance of a target. The goal of this post is to help you understand how this sensor works