Category: 8051 Projects

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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DIY Soccer Substitution Board using AT89C51

Engineeering Projects
diy soccer substitution board using at89c51

Various types of soccer substitution boards are easily available in the market but these all are very expensive (cost around $200). So, I decided to design a project called DIY Soccer Substitution Board using AT89C51. The feature of the project DIY soccer substitution board is listed below. Low cost and low maintenance. Microcontroller based system thus programmed as per our wish Simple and easily understandable circuit and code. Four individual buttons switch to increase and decrease the score of two teams. Circuit Description of DIY Soccer Substitution Board using AT89C51…

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Microcontroller AT89C51 based Metro Train Prototype

Engineeering Projects
circuit diagram of metro train prototype

The project posted here is of Microcontroller AT89C51 based Metro Train Prototype which shows how metro train works. The project uses two motors, one is used for opening and closing the door and other is used for moving the train forward. This prototype of metro train is a good example of embedded system. Before talking about circuit description and working let clear the concept of embedded system. Embedded System: An embedded system is an electronic or electromechanical system designed to perform a specific function and is a combination of both hardware…

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3000W Inverter with Inbuilt Charger using AT89C2051

Engineeering Projects
3000W inverter's microcontroler section

The project posted here is a 3000W inverter with the facility like an inbuilt charger, over and under voltage control, temperature control, microcontroller-based, etc. We all know that an inverter is a device that changes DC power into AC power (just opposite of a rectifier). The general-purpose inverter (low or medium power inverter) used in our house converts 12V DC voltage to 220V AC. But the circuit posted here converts 24V DC (two 12V batteries connected in series) to 220V AC. Circuit Description of Microcontroller Based 3000W Inverter with inbuilt…

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Industrial Timer Circuit

Engineeering Projects
industrial timer transmitter circuit

Humans are born of habits, they want more and more comfort. To match their requirements, various types of automatic control systems have been developed. Now, again here we have come up with a very interesting project called “Industrial Timer Circuit” with facilities like automation and switching, providing delay and having a long-range of control (100 m). A simple timer circuit can be designed using 555 timer IC by configuring it into monostable mode. These types of circuits have various types of limitations like digital display, an indication of system failure, remote…

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IR Remote Controller Fan Regulator using AT89C2051

Engineeering Projects
Infrared based Fan regulator circuit using AT89C2051

IR Remote Controller Fan Regulator using AT89C2051 is a simple circuit that can control the speed of the fan (you can also use this circuit to control the intensity of light; light dimmer). Previously we have posted a very interesting project on a fan regulator called Light Controlled Digital Fan Regulator that uses torchlight to control the speed of the fan. Now, here we have come with a new idea i.e. control speed fan using the normal IR remote. The project IR Remote Controller Fan Regulator using AT89C2051 uses IR…

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RFID Based Security System Using Microcontroller AT89C52

Engineeering Projects
circuit diagram of RFID Based security system

RFID Based Security System Using Microcontroller AT89C52 Different concepts of security systems have flourished along with different techniques and different types of equipment. RFID; Radio-Frequency identification (RFID) is another achievement we are relying on for optimum security facility in multiple projects. It makes use of electromagnetic fields to detect unique tags assigned to objects in the vicinity. There is a reason why it has mustered more popularity in comparison to other security systems that use bar codes and conventional methods. It is because RFID traces tags hidden inside objects, unlike…

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Frequency Counter Schematic using Microcontroller AT89C51

Engineeering Projects
circuit diagram of frequency counter

Frequency Counter Schematic using Microcontroller AT89C51 is a simple yet mostly used frequency counter schematic used. The reason behind its simplicity also lies somewhere in the fact that this project uses only two components-AT89C2051 microcontrollers and a 16*2 LCD. Frequency is a crucial subject matter in every project. Precise and accurate frequency generation is another challenge we face in varieties of project design. As per the design of this project, this circuit can withstand frequency ranges between 1 Hz to ~16.5 Mhz, and the rest depends on the characteristics of…

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AC Motor Speed Controller Circuit Using AT89C51

Engineeering Projects
author prototype of ac motor speed controller

Here is a simple circuit “AC Motor Speed Controller Circuit Using Microcontroller” which is used to control the speed of AC motor using microcontroller At89c51. The circuit uses the principle of changing the firing angle of TRIAC to control the speed of the motor. Here, in this project, we had to use various switches to control the speed whereas an LED bar graph is used to indicate the speed of the motor. Circuit Description of AC Motor Speed Controller Circuit Using AT89C51 The circuit diagram of the signal phase AC…

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Greenhouse Automation System | Automated Greenhouse

Engineeering Projects
output of greenhouse automation system

Greenhouse Automation System | Automated Green House: Complete Circuit Diagram using P89V51RD2 microcontroller, Source Code, Working Principle, and Complete Description   Introduction to Greenhouse Automation System | Automated Greenhouse Technologies have almost reached everywhere, be it in the technical fields or the agricultural fields. One of the specified sectors where this technology has created great impact is Green House, as we call it. Modern technologies are used to monitor certain environmental conditions which is a must to ensure optimum growth of plants in the greenhouse, enhanced crop productivity along proper utilization…

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