Engineers Garage

In the normal switch board we have to push switch manually and oftenly stand up and operate switch manually so that it is wasted of time, It is also used to operate for handicap person, using a voice recognition application which is interfaced with electric device. The prototype of the Switchboard is built using a micro-controller, chosen for its  low cost, in addition to its versatility and performance in mathematical operations and communication with other electronic devices. The system has been designed and implemented in a cost  effective way so that if our project is commercialized the needy users in developing countries will benefit from it 

In the previous tutorial VHDL tutorial, we designed 8×3 encoder and 3×8 decoder circuits using VHDL. (If you are not following this VHDL tutorial series one by one, you are requested to go through all previous tutorials of these series before going ahead in this tutorial) In this tutorial, We shall write a VHDL program…

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8.3) Voltage follower Voltage follower is a negative feedback op-amp amplifier circuit. It acts like emitter follower configuration of transistor based amplifiers. They provide unity gain to the applied input signals. Unity gain means the output voltage will be exactly equal in magnitude with the input voltage.  Voltage follower In the above figure a non-inverting…

This article is to provide step by step instructions for making Raspberry Pi as a webcam server where we can live stream video over a local network using python scripts and some required packages. A software package used in this tutorial is Motion which is an open source software with a number of configuration options which can be changed according to our needs.

Dialog Semiconductor plc, a provider of battery and power management and industrial edge computing solutions, has announced its new SmartServer IoT Partner Program. The program gives systems integrators and OEM solutions providers access to Dialog’s SmartServer IoT edge server and open software suite — including freely available integration tools and APIs, certified training, and premium…

A digital clock is a commonly used electronic gadget. A digital clock keeps track of time and displays the current time through an output device. The users can set or reset the clock using buttons. Electronic clocks are built using microcontrollers and may or may not use a real-time clock. Here, a digital clock is…

The password based lock for any access control systems is very common now a day. If there is a password lock for any gate/door, then the gate or door only opens when correct password is entered. Mostly in such system numeric keypad is given to enter password. Sequential code lock differs here with normal password lock system. It does not have full numeric keypad with 10 to 12 switches. Instead it has 2 to 3 switches only.