Category: Electronics Projects

ATmega16 Based Voting Machine

Engineeering Projects
atmega16 based voting machine

Atmega16 based voting machine: Well, the key word; Corruption is everywhere. I believe it is what comes together with politics. Yes, here we present an attempt to sweep a dirt away from this system. The project is concerned with development of an electronic voting machine which is built around an AVR microcontroller, which help us to create a fair election process at least. Electronic voting machines (EVMs) have been a necessity in government elections. On comparison to traditional methods, this machine provides a far more secure voting environment and reliable…

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Arduino based Bluetooth Controlled Car

Engineeering Projects
robot parts list

Today, we are going to show you how to make an Arduino-based Bluetooth Controlled Car. Previously we had already posted various types of robots like Arduino Gesture Controlled Robot, Dual Mode Robot, Arduino, and RF controlled Robot. The difference between previously posted robot projects and Arduino-based Bluetooth Controlled Car is, unlike others, that it does not require special types of control circuits. It can be controlled using any smartphone using the software. The best part of the project Arduino-based Bluetooth Controlled Car is you can wire it within an hour.…

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LED Cube 4x4x4 Circuit using AT89C2051

Engineeering Projects
led cube 4x4x4 projects

The world is all about visualization. Mesmerizing illumination has been introduced which provides a different level of satisfaction for human eyes. Using multi-pattern LEDs lights in a cubical representation is our contribution to this global trend. The project; LED Cube 4x4x4 Circuit using AT89c2051 microcontroller to create several light patterns. The cube designed for specific use in science laboratories is much easier to assemble. Previously, we had posted an LED Matrix Display using Arduino. Circuit Description of LED Cube 4x4x4 Circuit using AT89C2051 You can see the entire circuit of…

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Offline UPS Circuit

Engineeering Projects
inverter section and changeover section

Introduction to Offline UPS Circuit We all know that most electrical and electronic appliances are solely powered by the AC supply and the problem arises when the power is cut off in the middle or there is no power at all. In such cases, uninterrupted supplies are what we look out for. This is one of those uninterrupted power supply circuits. The fact that it provides an instant power supply from the batteries than standby generators that take long to operate, makes it more practical. To make the use of…

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Battery Status Indicator Circuit

Engineeering Projects
under charged condition

Here is a simple circuit using transistor called ‘Battery Status Indicator Circuit’ used to indicate two states of battery i.e. under charged and over charged. Previously, we had already posted similar circuit called Battery Voltage State Indicator using 741 used to indicate three states of battery i.e. charged, charging and discharge. Similarly, you can also design  circuit which indicate status of battery in 10 different level. Circuit Description of Battery Status Indicator The circuit of Battery Status Indicator Capacitor is shown in figure 1. The main components of Battery State…

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3.7V to 5V, 5.3V and 6V Converter Circuit

Engineeering Projects
3.7v to 5v converter circuit

3.7V to 5V, 5.3V, and 6V Converter Circuit: The preferred voltage levels while working in most electronics projects lie between the value 5V to 6V. However, 3.6V-3.7V batteries are found abundantly in the market with a cheap price tag. So, we presented an economic solution to generate commonly used operating voltages i.e. 5V, 5.3V, and 6V using these cheap and easily available 3.6V and 3.7V batteries. Using two-three batteries of 3.6V (3.6*2=7.2V) and 3.7V (3.7*2=7.4V) doesn’t provide the desired voltage level and thus this project was essential. This DC-to-DC converter…

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Dynamic Microphone Pre-amplifier Circuit

Engineeering Projects
circuit diagram of dynamic microphone pre amplifier

While flowing up the discussion on bestengineeringprojects.com, one of our readers ask about a dynamic microphone pre-amplifier. The dynamic microphone pre-amplifier circuit is a bit different than other microphone pre-amplifier circuits because it consists two-stage amplifier section. Thus, before going through the circuit description we would like to make clear the dynamic microphones. What is Dynamic Microphone? A dynamic microphone is a transducer that converts the sound signal into an electrical signal and works on the electromagnetic induction principle because it contains a moving coil. This microphone is also called…

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Audio Signal Tracer Schematic

Engineeering Projects
dual audio signal tracer schematic

Signal transmission can be quite troublesome sometimes. To ensure that the signal is passed through a defined distance, here we have presented an “Audio Signal Tracer Schematic”.  As mentioned in the title; ‘Audio Signal Tracer Schematic’, this project is implemented to troubleshoot audio signals transmission in electronic circuits and radio, etc. It comprises two loudspeakers being Audio Signal Tracer and is packaged into a small hand-held test probe. The only power source required by the circuit is a battery and thus is more useful. Amplitude-modulated signals can also be detected…

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Top 10 Electronics Mini Projects using IC 555

Engineeering Projects
electronics mini projects using ic555

Here we had compiled a list of the top 10 Electronics mini projects using IC 555 that would be cool, useful, and efficient to design in free time. Before listing the top ten electronics mini projects using IC 555 we would like to clear some points like operating voltage, temperature, applications, etc. of timer IC. So, what is timer IC 555? Timer IC 555 is a powerful timing circuit that is popular for the production of accurate and stable time delay or oscillation. It is much reliable, easy to use,…

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GPS Module Interface with ATmega16

Engineeering Projects
circuit diagram of gps interface with atmega16

Currently, in the market, a large number of GPS projects are distributed. You might be wondering what is different here? Well, the GPS receiver we are talking about is solely based on AVR- microcontroller. The project collects information from the satellite and so is more practical than other systems that demand wireless network connections as cellphones or Internet to operate. This GPS receiver system is a boon to remote areas and can be used as a base to work in other research areas. It works with the satellite to track…

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