Want to build a simple clap switch circuit that will toggle any load in response to your claps? The article is presented exactly for this purpose. Here we discuss 4 unique and simple designs which can be selected as per user preference. Overview The article talks about what the title suggests – a clap switch. […]
Search Results for: 555
Driving Unipolar Stepper Motor using IC 555 Timer
In this project we are going to run a unipolar stepper motor using 555 timer. Apart from 555 timer we also need IC CD 4017 which is a decade counter IC. By Ankit Negi Any unipolar motor can be connected to this circuit for performing specific task, though you need to do some small changes […]
How to Run a Servo Motor using IC 555
In this project we are going to learn the basic specifications of a servo motor and also how to operate a Servo Motor using a 555 timer IC, and a couple of push buttons. By Ankit Negi WHY SERVO? Servo Motors are used in variety of fields. These are mainly used as actuators in those […]
Simple Continuity Tester using IC 555
In this project we are going to make a simple continuity checker circuit using 555 timer. And what makes this circuit so special is that no transistor is used in it and hence this is indeed the simplest continuity checker. By Ankit Negi We all know the importance of 555 TIMER in electronics. The fact […]
Smart Laser Alarm Protection using IC 555
The post discusses the making of a simple yet effective smart laser alarm protection circuit using the IC 555, for securing a specified restricted zone from human interventions. The idea was requested by Mr. Collins. Protecting Home with Laser Alarms I just want to tell you what an amazing passion and dedication to electronics you […]
IC 555 Inverter with Arduino Hi/Low Battery Shutdown
In this inverter design we use a 4017 decade counter and a ne555 timer Ic to generate a sinewave pwm signal for the inverter and an Arduino based automatic high/low battery cut-off with alarm. By: Ainsworth Lynch Introduction In this circuit what actually happens is that the 4017 outputs a pwm signal from 2 of […]
How to Make a IC 555 Inverter – Push Pull, Full Bridge, PWM
The post explains how an ordinary IC 555 astable multivibrator could be used to make an inverter without involving complex stages. The idea was requested by Mr. ningrat_edan. The Design Referring to the shown diagram, a single IC 555 can be seen configured in its standard astable mode, wherein its pin#3 is used as the […]
IC 555 Timer for Switching Two Alternate Loads with Predetermined Delay
In this post we learn how to make a simple IC 555 based alternate relay timer circuit for toggling a couple of loads alternately with a specified length of delay, as determined by the calculated values of the relevant components. The idea was requested by Mr. Sanjoy. Switching Two Loads Alternately I am a regular […]
IC 555 Pinouts, Astable, Monostable, Bistable Modes Explored
The post explains the basic pinout details of the timer IC 555, and how to configure the IC in its standard or popular astable, bistable, and monostable circuit modes. The post also details the various formulas for calculating the IC 555 parameters. By Girish Radhakrishnan Our hobby world would be less interesting without IC555. It […]
IC 555 Based Simple Digital Stopwatch
In this article we’ll study a digital stopwatch design configured around the very popular IC LM555 in conjunction with a 4-digit counter IC with multiplexed 7-segment output drivers (MM74C926). Written and Submitted by: Jennifer Goldy Simulation and Working IC MM74C926 is internally made up of a 4-digit counter, an output latch up stage, a npn […]
Simple Proximity Detector Using IC 555 – Complete Working Description with Schematic
In this article we discus a simple IC 555 based proximity detector circuit which can be used for detecting human trespassing from a distance. Simulation and Working An infrared proximity detector can be considered as one of the most valuable and widely used circuits in electronic automation application range. We can typically see it being […]
Make this Simple Set Reset Circuit using IC 555
In this post we learn a simple IC 555 set/reset application circuit for activating or deactivating a relay alternately. Simulation and Working This electronic set reset circuit is very simple, easy to implement and very useful. It can provide you many applications options in cases where it may be necessary to toggle (switch on and […]
Input Trigger Synchronized Monostable Timer Using IC 555
Here we study a simple IC 555 based monostable circuit whose output monostable time duration starts only after the input trigger is released thus making sure that the trigger ON time duration is added with the monostable’s pre-programmed ON time duration. The idea was requested by Mr. John Brogan Technical Specifications I would like to […]
Class D Amplifier Circuit Using IC 555
A Class D amplifier also termed as a digital amplifier uses pulse width modulation technology for amplifying the fed small amplitude analogue music signal. Why a Class D Amplifier The main benefits of this type of amplifier are high efficiency, low cost, with the only drawback being the association of distortion if not cleaned with […]
Switching Transformerless Power Supply using IC 555
A simple yet smart solution is implemented here using IC 555 in its monostable mode to control in rush surge in a transfomerless power supply via a zero crossing switching circuit concept, wherein the input power from the mains is allowed to enter the circuit only during the zero crossings of the AC signal, thereby eliminating the […]
Buck Boost Using IC 555
The post explains an universal IC 555 based buck-boost circuit which can be used for various different applications involving efficient power processing requirements. Using IC 555 for the Buck-Boost This highly efficient and effective buck-boost circuit using the work horse IC 555 would allow you to convert an input source voltage to any required degree, […]
Automatic Emergency Light Using IC555
The discussed simple IC 555 based emergency lamp system employs just a single IC 555 and yet is able to switch more than 20 LEDs directly, it will illuminate the LEDs only during the absence of mains power and ambient light. The Circuit Concept The proposed circuit is not only simple, it offers some very […]
Low Battery Indicator Using IC 555
The article explains a simple low battery indicator circuit using the IC 555 and a few resistors only. Circuit Concept Many electronic circuits such as emergency lights, battery chargers, UPS systems, flashlights etc essentially require a low battery indication feature in order to avoid over discharge of the involved battery. An over discharge could mean a permanent damage to the battery. […]
Li-Ion Battery Charger Using IC 555
The following post explains a straightforward yet precise automatic Li-Ion battery charger circuit using the ubiquitous IC 555. Charging Li-ion Battery Can be Critical A Li-ion battery as we all know needs to be charged under controlled conditions, if it’s charged with ordinary means could lead to damage or even explosion of the battery. Basically […]
Lead Acid Battery Charger Using IC 555
The following article explains a simple, versatile automatic lead acid battery charger circuit. The circuit will allow you to charge all types of lead acid battery right from a 1 AH to a 1000 AH battery. Using IC 555 as the Controller IC The IC 555 is so versatile, it can be considered the single […]