Digital code lock or digital combination lock is a type of digital locks where a combination of digits/characters or both are used for unlocking the lock. This project is about a simple digital code lock using Arduino. There are separate…

A frequency counter is an electronic instrument, which is used for measuring frequency. Frequency counters usually measure the number of oscillations or pulses per second in a repetitive electronic signal. Hardware Requirements: Arduino LCD Display Signal/ Frequency Software Requirements: Arduino IDE How does this work? When…

All home/office security systems work on the same basic principle of securing entry points, like doors and windows, as well as interior space containing valuables like art, computers, guns, and coin collections. Regardless of the size of your home/office, or…

All home/office security systems work on the same basic principle of securing entry points, like doors and windows, as well as interior space containing valuables like art, computers, guns, and coin collections. Regardless of the size of your home/office, or…

The primary function of this system is to monitor the Heart Beat of the Patient and the Data collected by the sensors are sent to the Microcontroller. The Microcontroller transmits the data on LCD. It works on the principle of…