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.
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
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
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
