Mini projects for ece using ic 555. Dec 3, 2024 · Simple 555 Timer Circuits amp Projects.

Mini projects for ece using ic 555 These are a whole bunch of things to make with the 555 timer IC with a note for each picture. electronicspices. A Digital Stop Watch built around timer IC NE555 and 4-digitcounter IC MM74C926 with multiplexed 7segment display. Nov 21, 2017 · Now, let’s take a look at Top 10 Electronics mini projects using IC 555. com/traffic-light-circ Link to the project page and circuit diagram: Note: Mosfet is required only if you are using this circuit to control geared DC motors or LED Strips. Moreover, students can avail various options to choose their EC projects for final year in various categories like robotics, microcontroller, embedded systems elp, solar and communication based like GSM, GPS and RFID etc. Mini projects for electronics Dec 2, 2022 · In this article, we will discuss the "Top 10 Easy Electronics Projects" using NE555 Timer IC for Beginners. The project work for engineering students helps to implement their theoretical knowledge practically in developing engineering projects. E/B. Ideal for beginners and enthusiasts looking to enhance their technical skills. There are Hands-on Electronics Activities for Beginners and cheap for you. In this article, we will explore a simple, cost-effective, and user-friendly light-sensitive switch circuit utilizing the popular op-amp 741. Learn how you can make your fastest finger first 555 timer project circuit. What is IC 555 IC 555 is a type of integrated circuit that is commonly used in electronics projects as a timer or oscillator. The project “Sound Activated 0-30 Minutes Timer Circuit” is a simple project designed using timer IC 555 and LM324 Quad op-amp IC. This circuit operates based on light sensing, intelligently turning lights on or off according Nov 4, 2025 · Top electronics mini project ideas for school, college, and engineering students along with all circuit diagrams, circuit working & video. This circuit consists of a number of push button switches (similar to different GitHub is where people build software. Each project includes step by step instructions on how to build the circuit along with explanations of how the circuit works. Here, we present an affordable, easy-to-build LPG leakage detector that eliminates the need for expensive components. These projects based on electronics, electrical, diploma, beginners, simple electronic projects without a microcontroller, simple electronic projects without IC, simple electronic projects using LED, simple Nov 10, 2023 · View EC20007-Lab9-P2-11032023. Oct 2, 2022 · Overview In this mini-project, we are going to learn how to make a Simple Fire Alarm Circuit Using IC 555 Timer & Thermistor. Jan 9, 2018 · Latest Mini Projects For Ece With Circuit DiagramsWhen pursuing an Electronics and Communication Engineering (ECE) degree, discovering the most interesting and up-to-date mini projects for ECE can be overwhelming. In this article, let us discuss a few Basic Electronic Circuits and Projects for Beginners which are built with simple electronic circuits. There are so many different kinds of these IC chips, and they can perform so many different functions. Implement these top most innovative mini projects ideas for electronics and electrical engineering. Jan 31, 2025 · Updated Jan 22, 2025 555 Timer, Electronics, Free Project Circuits, Mini Projects Jun 18, 2023 · Make Automatic Water Pump Controller for a submersible pump using 555 IC. The system uses an LDR (light dependent resistor) to detect the ambient light level and turn on the street lights when it gets dark. IC 741 is characterized by the almost infinite open-loop gain (100,000), almost infinite input impedance (2MΩ), and almost zero output impedance (75Ω). This my first electronics project on perfboard and there are probably much more sensible ways of laying out the parts,… 10 Breadboard Projects for Beginners: Breadboard is a great way to construct electronic projects easily and in less time without the need of soldering. ECE20007: Project 2: The 555 Timer Ben Manning, Purdue University Last modified: November 3, 2023 ECE20007 Mini Projects In The document provides a list of over 200 mini electronics project ideas for engineering students. Feb 11, 2025 · Are you a beginner looking for the top 555 Timer projects to build? Then you crashed at the right webpage! Hey everyone! In this video I'm going to show you how to make a simple "Touch Sensor" on a Breadboard. pdf), Text File (. This circuit consists of a number of push button switches (similar to different Simple Traffic Light Circuit using Two 555 Timer IC. Here, 555 timer IC works in astable mode. Jun 18, 2025 · As an ECE student, doing mini projects isn't just about marks — it’s about discovering what you actually enjoy in electronics, coding, or hardware. The main component of this rain alarm is a rain sensor. doc / . Here's everything you'll need: … Mar 25, 2024 · This is a simple DC motor speed control circuit designed using 555 timer IC. It can also be used as an indicator at quiz competitions. Electronics Projects projects which always in demand in engineering level and especially very useful for ECE and EEE students. This page is your go-to resource for comprehensive tutorials and insightful guides centered around the 555 Timer IC. pdf from ECE 20007 at Purdue University. The 555 timer IC DIY Electronic Water Level Controller Using 555 Timer IC | Electronics Mini Project Ideas Nevon Projects • 20K views • 3 years ago This repository contains the implementation of a Smart Street Light Control System using a 555 Timer IC, Light-Dependent Resistor (LDR), and a Relay. Easy to build 555 timer circuits/projects for beginners and advanced engineers with detailed descriptions. Useful Electronics Projects are explained step by step with Circuits, Working Process, Component List Jul 16, 2022 · DIY Electronic Water Level Controller Using 555 Timer IC | Electronics Mini Project Ideas Sep 10, 2024 · Best electronics mini projects for electronics enginnering students, here we gave a complete information of the project along with circuit digaram, code, working process and step by step methods of making and how to do it. We will use two basic clap switch circuit diagrams i. Dec 12, 2021 · In this 555 timer project, I have shown how to make a time delay relay circuit using 555 timer IC to automatically turn Off the switch after a predefined delay. Mar 1, 2022 · In this article, we feature 20+ simple electronics projects and free basic hobby circuits for students, beginners, and engineering students. The 555 timer IC is one of the mos A collection of easy to make electronics projects on breadboard using 555 timer IC. The following are some of the latest digital electronic projects with the abstract. Nov 18, 2017 · Mini-projects for ECE students come in all shapes and sizes, ranging from simple circuits and digital logic designs to complex robotics and artificial intelligence projects. Dec 5, 2017 · The fire alarm using 555 IC presented here warns the user against such fire accidents. Apr 20, 2023 · This list consists of a huge collection of 555 Timer circuits with neat circuit diagram and practical DIY hardware explanation enabling you build your own 555 Timer projects. The List of Simple Mini Projects for ECE and EEE Engineering Students which are Helpful in Selecting a Suitable Project in their Project Work. Apr 1, 2017 · List of Mini Projects using IC 741 1. Hi , This video is a series of top 10 electronics circuits based on NE555 IC. So, it is always benefial for electronics student and professional to have such material to generate new ideas. The projects range from simpler ideas like a burglar alarm to more complex systems like an automatic vehicle identification toll pass system. Nov 22, 2024 · Circuit Description of Transistor and Diode Tester using 555 IC In this article, we will discuss a simple yet effective transistor and diode testing circuit that can help you identify whether these components are functioning correctly or not. Apr 15, 2020 · Explore different 555 Timer IC projects with circuit diagram, working principle, and other details. The sensitivity or Range up to which the circuit detects claps In this 555 timer project, I have shown how to make automatic water pump controller circuit using 555 timer IC for submersible pump and overhead tank. But due to low voltages, the transistor remains unable to drive 555 Timer IC. Nov 18, 2017 · 99 simple electronic projects for you eleccircuit com top 100 power electronics engineering students pantech prolabs india pvt ltd transformer health monitoring over iot electrosal sensor based final year 270 mini project with circuit diagram diy on op amp circuits lm741 ic ece 4760 ieee 2020 embedded 50 basic electrical and technology we love This document provides details about a mini-project report on a fire alarm circuit. You also get a bonus step by step video tutorial for every breadboard project showcased in this page. The 555 timer IC A tutorial on how to make an Electronic Piano circuit using 555 timer IC and a few other electronics components. Components Required :555 Timer IC x 2 Nos100uf Capacitor x 2 Nos100k Resistor47k Resistor390 Ohms Resisto 1. Nov 18, 2011 · 25+ Op Amp circuits and projects designed using Operational Amplifier IC's LM741 and LM324. Jan 18, 2021 · Simple Electronics projects with basic electronics components like resistor, capacitor, transistor, 555 IC, etc. Microcontroller based Mini Projects The list of microcontroller based mini projects is discussed below. The IC possesses an oscillation frequency ranging from 670 to 680 Hz. This circuit consists of a number of push button switches (similar to different Simple Electronic Projects for Engineering Students Here is the list of simple electronic projects for beginners and engineering students which are helpful for doing mini project works. … May 25, 2023 · For schematic capture and SPICE simulation, electronics engineers and hobbyists alike frequently utilize Multisim, a National Instruments product. Projects for a beginner that don't involve using microcontrollers? Hello, so I've started my journey learning electronics (coming from a programming background) and I want to start making simple projects but I don't want to use a microcontroller as of right now. The best way to ensure your project won't be dated in a few years is to stay on top of the latest industry trends and research. COMPONENTS Jul 12, 2024 · Here, we present top 555 timer projects that you can build and experiment with, leveraging the flexibility and versatility of the timer IC. Circuit diagram. The back and forth motion of particles in the … Pocket Piano Using 555 Timer IC Read More » A collection of basic NE555 Timer Projects on breadboard along explanations of how each circuit works. This video shows the demonstration of “Fire Detection and Alarm - Mini Project”. Explore circuits, applications, and tutorials featuring these iconic integrated circuits. Aug 2, 2024 · Top list of Latest Electronics Mini Projects Ideas has been published here for students. Here, this NE555 timer acts as an astable multivibrator An astable multivibrator is a free-running oscillator that switches continuously between its two unstable states. (AUTO + MANUAL mode) Explained circuit & PCB Layout. txt) or read online for free. Simple Electronic Circuits for Clap Switch Circuit Electronic Project Using 555 Timer & BC-547 Transistors Introduction to Clap Switch Circuit Clap Switch is a basic electronics mini-project, made with the help of the basic components. Dec 4, 2020 · These electronics mini circuit ideas can help anyone beginning with electronics to build up a very good concept and practice in building electronics circuits. These are suggested by many experts for ECE and EEE students. December 08, 2024 by Kristijan Nelkovski Nov 22, 2024 · While LPG leakage detectors are widely available, they are often costly and rely on microcontroller -based designs. Electrical and Electronics Engineering (EEE) is a vast and ever-changing field which can seem daunting to newcomers. The list aims to help What are Simple Electronic Circuits? The connection of various basic electronic components using connecting wires on a breadboard or by soldering on PCB to form circuits which are termed as electrical and electronic circuits. A collection of awesome, easy to make electronics projects on breadboard with detailed information along with circuit diagrams. Aug 31, 2013 · The above above circuit was the Modulator part of our wireless modem. Figure 1 showcases the author’s working prototype. In this video, we are going to look at the top 10 mini-projects that you can build very easily and can help you understand the function and workings of different electronic components. Mar 25, 2021 · In this article, we’re going to talk about making a Piano using IC 555. How to Make an Electronic Piano With a 555 IC: In this instructable i hope to be able to show you how to make a simple toy piano using a 555 timer ic and a few basic components. In this article, we’re going to talk about making a Piano using IC 555. Dec 3, 2024 · Simple 555 Timer Circuits amp Projects. Microcontroller based mini projects Password-Based Digital Locking System using Microcontroller This project demonstrates a password-based locking system using a microcontroller. The primary function of this circuit is to detect LPG leaks efficiently. com/In this video I am going to make rain alarm using 555 ic For more info check Facebook page:- Feb 14, 2025 · Project 2: The 555 Timer Author: Dakyung Kim Section: 003 (Roshan Salim) Date: 11/12/2024 Abstract This report outlines an investigation into the capabilities of the 555 Timer IC in both monostable and astable configurations, concluding with a practical application as an LED dimmer. This document provides details about a mini-project report on a fire alarm circuit. Apr 15, 2020 · In this 555 timer project, I have shown how to make a time delay relay circuit using 555 timer IC to automatically turn Off the switch after a predefined delay. Feb 14, 2022 · A tutorial on how to make an Electronic Piano circuit using 555 timer IC and a few other electronics components. This circuit will automatically switch on the water pump or motor when the level of water reaches below the required level and then automatically switches off the pump when the tank is filled. Let’s see the concept of mosquito repellent circuit in detail. It aims to address challenges such as water scarcity and unplanned water usage in agriculture through automation. Each mini-project explained with the circuit diagram, working principle, and other required details. It’s used in a wide range of projects from electrical engineering, robotics, to household wiring. simple mini project on fire alarm. These IC 555 and IC 741, where timeless components continue to inspire innovation. We would like to show you a description here but the site won’t allow us. May 4, 2020 · Top List of 100+ DIY Projects based on Op-Amp Circuits - LM741 IC, audio amplifier LM358, comparator IC LM324. A problem that is faced by beginners in the field of electronics is that they cannot solder the components neatly on printed circuit bo… Jan 6, 2021 · In this 555 timer project, I have shown how to make speed control of DC motor using PWM with a 555 timer IC circuit. In this article, we are providing some digital electronics projects with abstracts for engineering students and for those who are interested to do projects on digital electronics. Free electronic circuits based on 555 Timer IC. It includes an introduction describing the components used, including a thermistor for heat detection, transistors, and an IC chip. (With IC 555 Timers and without 555 We would like to show you a description here but the site won’t allow us. To get Traffic Lights Circuit Using 555 IC | Simple electronics LED Project | with Bread board https://eleobo. MINI PROJECT REPORTSound operated switch using 555 Timer IC. 555 Timer Projects: The 555 timer is an 8-pin integrated circuit chip that has all sorts of flexible timing capabilities. This circuit is very easy to make fire alarm circuit. So whenever the incoming water is sensed the relay circuit simply switches the Pump On and when the water supply is buy all electronics components https://www. The 555 Timer IC is an iconic and versatile component in the electronics world. The Thermistor has a maximum resistance when there is no fire which keeps the transistor ON. Here IC 555 was wired as a Astable Multivibrator in addition to a transistor through which the data bits are fed into the circuit. A tutorial on how to make a Touch Switch / Touch Sensor circuit on breadboard using 555 timer IC. Are you improve yourself by creating an electronic project? Let's get started! Fire Alarm using 555 timer IC - Free download as Word Doc (. May 24, 2023 · A mini project circuit diagram is a complex schematic representation of different components organized and interconnected to create a functioning circuit. Apr 29, 2019 · But using often chemicals no good for everyone. I do not take credit for these schematics, they were made by Collin Mitchel. Simple Transistor as a switch Circuit, powering an LED Using a transistor as a switch, this configuration is a very Jun 10, 2018 · 100 latest diy 555 timer projects based on ne555 ic circuits and 25 simple advanced 20 electronics small basic hobby siren circuit 99 electronic for you eleccircuit com electrical diploma engineering students top 45 mini beginners project ideas pdf 270 with diagram 10 complete arduino pantech prolabs india pvt ltd archives 5 using led relay ldr Subscribed 367 16K views 4 years ago Top 10 Simple Electronic Projects | No Microcontroller 555 Timer Buck Converter • How To Make Buck Converter Using 555 Timer IC more Explore a variety of mini projects and mini project ideas perfect for engineering students. The working of this circuit was very simple to understand as the output frequency of the signal was based on the digital input given to the base of the transistor. Mini EC Projects This article lists a latest EC mini projects for engineering students. According to the theory of scientists found that Mosquitoes do not like high-frequency sound waves. Download Project Document/Synopsis We as a whole realize that Sound is a Mechanical Wave as it is delivered by back and forth development of particles of the medium. This circuit consists of a number of push button switches (similar to different keys in a piano) which, when pressed, produce sounds with different tones via a speaker. Jan 23, 2022 · Component List NE555 IC Pinout For a detailed description of pinout, dimension features, and specifications download the datasheet of 555 Timer Fire Alarm Circuit Construction & Working: In this circuit, 555 IC is configured in the astable mode for a buzzer to generate sound oscillations. Get mini projects for ece and eee students with circuit diagram for your study and research. But here we have presented a simple and inexpensive mini Fire Alarm project using a thermistor and 555 Timer IC. Apr 24, 2019 · The heart of this Fire alarm circuit is a 555 Timer IC. Operation Amplifier 741 Based Projects: The op-amp IC 741 is a DC-coupled, high gain differential amplifier with external negative feedback. Jun 25, 2022 · There are many ways of making simple timer circuits using different ICs and discrete components; here I have explained one such circuit using the ubiquitous IC 555. This application seeks to explore the adaptability of the 555 Timer in pulse-width modulation (PWM) for fine-tuning the intensity of LED illumination. With the help of this, the buzzer at the output should produce an oscillating sound. This 555 timer IC circuit uses two IC 555 chips to generate the speaker's tone and then play the note at an adjustable frequency and duty cycle. The list aims to help Fire Alarm Circuit Using 555 Ic: Hii friend, Today I am going to make a fire alarm circuit using 555 timer IC. Clap Switch has the ability to turn ON/OFF any electrical component or circuit by the clap sound. 00:00 FBI,Police,Ambulance vehicle Light Circuit 04:16 Breathing LED Circu Aug 2, 2017 · 40 Simple and best DIY collection of 555 timer circuits and projects with full step by step explanation, working process and output video. Simple 555 Timer Circuits and Projects. Most of the Fire Alarm Circuit available on the internet is expensive and requires more components. Jul 1, 2018 · 9v ldr circuit mini project for ece freak engineer ieee wireless communication projects 2021 in bangalore mtech simple electronic beginners engineering students latest eee list with diagram electronics circuits eeweb top 100 power pantech prolabs india pvt ltd 20 and small basic hobby efficient inverter vibration sensor detector build Feb 14, 2021 · Hello Engineers. Nov 20, 2024 · Electronic circuits and projects by using Timer IC 555 and Operational Amplifier IC 741, both are pioneer Integrated Circuits, Start browse and Learn and Build. From smart home automation projects to digital electronics and embedded system project ideas, discover innovative wireless communication and Raspberry Pi projects for students. Let's get started, Jan 30, 2018 · Mini projects can be the perfect way to get started with electronics engineering, or even as a refresher course in the basics. In this Jul 21, 2024 · Latest Analog Projects Create Your Own Stylus-Controlled Synthesizer In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers. DIY Electronic Water Level Controller Using 555 Timer IC | Electronics Mini Project Ideas Nevon Projects • 20K views • 3 years ago This repository contains the implementation of a Smart Street Light Control System using a 555 Timer IC, Light-Dependent Resistor (LDR), and a Relay. The circuit should be placed in fire-prone areas such as a kitchen Sep 23, 2023 · The IC 555 timer, which can produce a variety of waveforms including square, triangular, and sawtooth waves, is a crucial part of many electrical circuits. Tech & Dipolma Students with Free Downloads: Get the idea on varoious electronics mini projects circuits diagrams for 3rd year and 4th year ECE and EEE engineering students in 2015. Mar 13, 2024 · Here is the simple electronic mosquito repellent circuit which can produce ultrasound in the frequency range of 20-38 kHz, which can scare away mosquitoes. Latest Projects, Circuit diagram & DIY Guide Feb 5, 2018 · 555 Timer Project - Rainfall Detector Alarm using 555 Timer & Rain Sensor is a mini electronics project for Electronics Students. Nevonprojects brings you the most innovative list of well compiled ece mini projects for electronics and electrical students with circuit diagram. Today we are going to make a project on an automatic water pump controller circuit. Feb 14, 2021 · Hello Engineers. This project report details the development of an automatic plant irrigation system designed to minimize manual intervention by farmers. It includes ideas in various categories such as embedded systems, electrical, robotics, communications, solar power, and more. Electronics Mini Projects using OPAMP Automatic Lamp Off. 555 Timer Circuits Projects for Engineering Students. The IC 555 is a pretty common electronic part among the electronic enthusiasts and is also very popular due to the involved simple configurations and low component count. This project “ Mosquito Repellent Circuit using 555 Timer ” generates a high-frequency sound ( 20 kHz to 40kHz ) wave that mosquitoes do not like. The speed Control of DC Motor is achieved using Pulse Width Modulation (PWM). it uses 555 timer IC germanium diode is used as a sensor/detector Jun 5, 2024 · Best Microcontroller based mini projects ideas have been listed in this post especially for 2nd year and 3rd year engineering students. Feb 23, 2018 · 50+ Verified Electronics Projects with PCB for Engineering Students designed using Arduino, AVR, PIC and ARM Microcontroller. An explanation of how this circuit works is also included in this video. Nov 5, 2023 · A huge list of 555 Timer Projects for all. Mar 24, 2024 · This digital stopwatch circuit helps to display the number of clock pulses using 555 timer. MM74C926 consists of a 4-digit counter, an internal output latch, npn output sourcing drivers for common cathode,7 segment display and internal multiplexing circuitry with four multiplexing outputs. docx), PDF File (. List of basic op amp circuits and advanced real world projects. Here is a list of Best 50 Electronics For You mini projects and ideas that include beginner to advance level projects which are easy to build and learn. 200+ Simulation Based Projects for ECE Students Download Project: Latest Collection of Simulation Based Final Year Projects, Project Reports & Mini Projects for B. Simple Electronic Projects for Engineering Students Here is the list of simple electronic projects for beginners and engineering students which are helpful for doing mini project works. Digital Electronics Projects for Engineering Students The following digital electronics projects with abstracts are discussed below. Top 10 Electronics Mini Projects Ideas for beginners #1. Here's how to make a simple piano using a 555 timer. Also, knowledge of how different electronics components work. You can also adjust the off delay time up to 20 minutes with a 1M POT. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects. Applications of a 555 Timer The aim of the LED dimmer application utilizing a 555 Timer is to illustrate the practical utility of the timer in regulating the brightness of an LED. Simple electronics mini projects for beginners. This video also includes the CIRCUIT DIAGRAM. With no external signal applied, the transistors alternately switch from cutoff to saturation state A tutorial on How to make a Clap Switch circuit aka Sound Triggered LED, along with detailed explanation on how the circuit works. The project work for EEE & ECE students may include performing electronic experiments. These categories of ECE projects will give a huge opportunity for the students. Use them to flash LEDs, make music, and many other cool things! Check out Instructables' best 555 timer projects and let us know what you think! Dec 12, 2021 · In this 555 timer project, I have shown how to make a time delay relay circuit using 555 timer IC to automatically turn Off the switch after a predefined delay. The system uses soil moisture sensors to control a water pump, thereby optimizing water usage and efficiency in irrigation processes. I designed and tested this circuit using Tinkercad, and then built the real thing. It is not required for controlling single LED's. and providing best guides. This will be a simple and very well working mini piano using IC 555 and some other passive components like resistors, capacitors, etc. e. More than 200+ Projects On 555 timer IC for Beginner, Intermediate & Expert. Mar 17, 2016 · The concepts of electronic mosquito repellers are simple and we can build a simple mosquito repellent circuit at home easily by using 555 timer IC and few other commonly available components. Here, we propose a fully automated fire detection and warning system, by usi Sep 10, 2024 · Top and best electronics projects ideas list for final year ECE and EEE students along with all sources like circuit diagram, code, abstract & output video. Additionally, knowing the circuit diagram of each mini Sep 9, 2017 · That’s why we’re here to help! In this guide, we’ll provide an overview of the basics of working with the 8086 microprocessor, plus essential information about constructing a circuit diagram and writing the code to make your project run. Relocation of particles are in similar course as propagation of sound waves, so sound is a Longitudinal Wave. It then describes the construction of the circuit, explaining that a thermistor is used as a heat sensor and that the circuit uses transistors and a preset to complete a circuit Simple Electronic Piano: Electronics can make sounds very easily with just a handful of parts. These microcontroller based mini projects are very helpful for ECE and EEE students of engineering. Jun 13, 2025 · In this list, we present a collection of exciting 555 Timer Projects that harness the power of the 555 Timers to create a diverse range of electronic devices and circuits. How to Make an Electronic Piano With a 555 IC 16 Steps. This electrical engineering project is for Purdue's The controller system works on a 555 IC with a water-level sensing arrangement. We’ll also provide you with some ideas for mini projects that you can build using 8086 technology. Electronics Thermometer Using Op-amp 741 IC Here is the circuit diagram of an electronics thermometer using an operational amplifier and silicon diode having a range of -20 o C to 125 o C. Integrated Circuit Projects: An "Integrated Circuit" is just a name for a bunch of complex logic nicely packaged in an easily usable chip format. Sound travels by the to & fro displacement of the particles of the medium. So without any delay, select a project and start building a circuit! Nov 5, 2024 · The light-sensitive switch is an ingenious electronic device that responds to the intensity of light falling on it, enabling the automatic switching of lights. Sep 16, 2024 · ElectronicsHub provides great information on various tech gadget reviews, electronics tools reviews, etc. In 2025, with so many new tools available A tutorial on how to make an Electronic Piano circuit using 555 timer IC and a few other electronics components. - Download Nov 2, 2019 · The 555 Timer IC operates in an astable mode in the Fire Alarm circuit. here we give you all the steps to make this 555 ic mini-project. vtpo qcxpei kzejf xomsuwk emeg mafuiv fbyfqmy vvbk quf psft idorsdu vyg bmrwwt mmobo mtjt