On this record, we current a set of thrilling 555 Timer Initiatives that harness the ability of the 555 Timers to create a various vary of digital units and circuits.
The usual 555 timer IC is utilized in a wide range of timer, pulse technology, and oscillator functions. It may be used to supply time delays as oscillators and as flip-flop parts.
The 555 timer IC is an integral a part of electronics tasks. Be it a easy 555 timer-based undertaking involving a single 8-bit microcontroller and a few peripherals or a fancy one involving system on chips (SoCs), a 555 timer is concerned.
Checklist of 555 Timer-based Initiatives
1. Movement Detector Utilizing NE555 Timer
This circuit is predicated on a passive infrared (PIR) sensor, which routinely switches on a tool when somebody comes near it. It may be used for the detection of theft or an unauthorized individual coming into a restricted space or constructing.
It could additionally activate lights when somebody approaches the realm the place it’s put in. Purposes of this circuit embody safety programs, hall lights, and toilet lights, amongst others.
This 555 timer undertaking is out there at Movement Detector utilizing the NE555 Timer.
2. Sound Operated Timer
This sound-operated timer is predicated on the LM324 quad-operational amplifier and NE555 timer. Time delay might be set from just a few seconds to half-hour. It may also be used as a sound-sensitive burglar alarm. A single-sided PCB format for the sound-operated timer and its part format can be supplied.
This undertaking is out there at Sound Operated Timer.
3. Set Up a 555 Timer Circuit in Monostable Mode
The 555 can act as both a easy timer to generate single pulses for time delays or as a leisure oscillator producing stabilized waveforms of various responsibility cycles from 50 to 100%. On this tutorial, the presenter will reveal easy methods to arrange a 555 timer circuit in monostable mode.
This can enable an LED to be turned on for a particular length after urgent a button. The time the LED stays on might be modified by altering the resistance and capacitance within the circuit.
This undertaking is out there at Arrange a 555 timer in monostable mode.
4. 555 Timer-based PWM Audio Amplifier
This PWM audio circuit employs the 555 timer IC in an astable mode the place the switching frequency might be assorted from 65 kHz to 188 kHz.
This undertaking is out there at 555 timer PWM audio amplifier.
5. Sequential Timer for DC Motor Management
The sequential timer is a extensively used circuit in industrial vegetation as a result of most industrial processes are chain response sorts. Meaning as one course of ends, it triggers the following.
This undertaking is out there at Sequential timer for DC motor management.
6. Contact-Free Swap – 555 Timer Challenge
This kind of infrared proximity circuit is extensively used as an electrical change the place bodily contact shouldn’t be desired for hygiene functions. For instance, we generally see the usage of infrared proximity sensors on public consuming fountains and in public washrooms.
The easy circuit introduced right here might be operated by shifting your hand in entrance of it. That is achieved by detecting the infrared gentle mirrored by your hand onto a receiver gadget.
This undertaking is out there at Contact free timer change.
7. Linear Timer for Basic Use
This straightforward timer can be utilized to manage any electrical equipment that must be switched off after a sure time supplied the relay-switch parameters meet the necessities of that equipment.
It makes use of low-cost parts and combines digital precision with easy analog management, offering lengthy timing length with out the usage of high-value resistors or capacitors.
This undertaking is out there at Linear Timer for Basic Use.
8. Infrared Distant Management Timer
Introduced right here is an infrared remote-controlled timer circuit. The circuit includes two sections, particularly, the transmitter part and the receiver part.
This undertaking is out there at Infrared Distant management timer.
9. Programmable Industrial On-Off Timer With RF Distant
A few of the options of programmable industrial on/off timers introduced right here embody:
- Time set from 1 to 60 seconds (might be prolonged)
- ‘On’ time and ‘Off’ time might be programmed (from 1 to 60 seconds)
- Repeat (steady) and single operation
- Totally remote-controlled inside a 100-meter vary
- Person-friendly front-panel controls and show panel with LCD
- Emergency cease buttons (on the management panel in addition to on the distant)
- Provision of potential-free relay contacts for connecting any 230VAC at 10A or 28V DC at 10A gadget/software
This undertaking is out there at Programmable Industrial On-Off Timer.
10. Pace Checker for Highways
This velocity checker can turn out to be useful for the freeway visitors police. It won’t solely present a digital show in accordance with a car’s velocity but additionally sound an alarm if the car exceeds the permissible velocity for the freeway.
This 555 timer-based undertaking is out there at Pace Checker for Highways.
11. Sign Generator and Inverter Utilizing NE555 Timers
Typically we require a sq. wave sign generator with adjustable frequency, virtually equally excessive and low output pulses, and adjustable amplitudes. Right here we current a easy, helpful, and low-cost sign generator constructed round NE555 timers.
Utilizing exterior switches, you’ll be able to management or choose frequency ranges as per your necessities. Nevertheless, the usage of frequencies beneath 30 kHz is beneficial.
This 555 timer undertaking is out there at Sign Generator and Inverter Utilizing NE555 Timers
12. 555 Timer-based Astable Multivibrator
We current right here a demo program for a 555 timer-based astable multivibrator, which is applied utilizing the graphical consumer interface (GUI) in MATLAB 2014 atmosphere
This 555 timer undertaking is out there on the 555 timer-based astable multivibrator utilizing MATLAB
13. AC Lamp Blinker Utilizing Timer 555
Right here we use a quite simple and low-cost timer NE555 to modify on and off two output masses alternately for audio and visible indications. You possibly can obtain this through the use of a bipolar-transistor-based NE555 or CMOS-based LMC555.
This circuit might be made to blink AC lamps at a low frequency, or change on and off electrical masses linked to the mains at a low velocity. As a way to scale back RF emissions, switching is finished solely at zero crossings of the primary AC voltage.
This 555 timer undertaking is out there at AC Lamp Blinker Utilizing Timer 555
14. RGB Bulb Utilizing NE555 Timer
Purple-green-blue (RGB) multi-color bulbs obtainable available in the market are costly as these are based mostly on a microcontroller. This system for the microcontroller is obscure. Right here is a straightforward and cheap circuit for an RGB bulb utilizing a 555 timer.
This 555 timer undertaking is out there at RGB Bulb Utilizing NE555 Timer
15. False Triggering Eliminator
Usually, false triggering of timer IC 555 takes place throughout power-on, leading to undesirable output, which begins the timer’s time cycle. The circuit turns into inefficient, particularly when the load needs to be energized solely when desired. Right here is a straightforward false triggering eliminator circuit for timer 555.
This 555 timer undertaking is out there at False Triggering Eliminator utilizing Timer 555
Try our assortment of electronics tasks.
This record of 555 Timer Initiatives was first revealed on 5 November 2017 and was not too long ago up to date in June 2025.
