555 Timer Circuits
- Page 6-
This is Easy and Mini Timer Circuit ( Egg Timer) by IC 555. Alarm by Buzzer. This be mini timer circuit that interesting. I calls that Circuit Egg Timer. By... -
This dc voltage doubler circuit produces a voltage that is twice its voltage supply. This is useful when a higher voltage level is needed out of a single l... -
This easyelectronicbuzzercircuitbuilt based on timer works for gaining the frequency. The IC timer NE555 used as astable multivibrator operating at about 1kHz and produces a sound when switched on. The sound frequency can be adjusted by varying the 10K.... -
This LED flasher give similar circuit with the previous transistor LED flasher, but this circuit use a 555 integrated circuit chip as the active component. Here is the schematic diagram of the LED flasher circuit: This circuit gives alternating LED flashing,.... -
LM555 timer circuit is similar to the one above but employs two stages so that both the pulse width and delay can be controlled.. -
Today we come to see the circuit detects the light by have a voice warn. When meet the light or be become dark depend on using S1 ( follow the circuit ).. -
Below we will provide you with useful article information to produce your own specific oscillator or pulse generator from integrated circuits (ICs), resistors, and capacitors using no matter the version of the 555 IC.. -
This be Power Pulse Generator Circuit, by use the integrated circuit NE555 be Square wave Oscillator Generator. Fine the frequency done to a turn R1. From that time send output go to still transistor 2N2222 control give IC LM350T work have voltage come out.... -
Pulse width modulator produce a PWM signal, a pulse with a constant frequency but with the duty cycle vary according to a modulating signal. Here is the... -
This 555 timer circuit below toggles a relay when a button is pressed. Pins 2 and 6, the threshold and trigger inputs, are held at 1/2 the supply voltage by the two 10K resistors. When the output is high, the capacitor charges through the 100K resistor, and.... -
Sawtooth wave oscillator? circuit can be implemented using several methods, here we present one design that employs 555 IC.? Here is the schematic diagram of... -
If you need a negative supply for op-amp or just need negative bias voltage while operating from a single supply voltage (for battery operation for example),... -
Testing whether a transistor is shorted or open usually done by ohm meter. You test if the base to emitter? or collector permit a current flow in one... -
This is a fun and useful circuit for demonstrating high frequency high voltge. It can produce up to about 30KV, depending on the transformer used. It is cheap and easy to make, thanks to the standard TV flyback transformer used. It can power LASERS (although.... -
The 555 Timer IC worked in three operating modes: monostable, astable and bistable/scmitt trigger. Here we will provide you with article of its astable mode... -
sections you can follow in this datasheet applications are general design consideration of the 555 timer, frequently asked applications question (FAQ), design formulas, and sample of some ingenious applications. The sample of applications were presented such.... -
Operation of the circuit. Circuit is divided into three parts: low frequency production. The manufacturing high frequency and extension of production low... -
Voltage-to-frequency converter (VFC)? circuit is shown in the schematic diagram below. The circuit employs 555 IC as the core of its function. This circuit ... -
Tools that created this is to produce noisy atmosphere. This circuit is quite simple, this circuit controlled by two 555 timer IC is assisted by other discrete component resistors and capacitors. The first 555 timer U2 will generate a tone which can be heard.... -
Simple circuit diagram is a schematic remote control, remote control where it consists of two parts of the transmitter and receiver. The first part is a transmitter, circuit diagrams for transmitter IC is controlled by the NE555. This system works by.... -
Here the circuit diagram of electronic siren based NE555. This circuit produces a sound like factory siren. It applies a 555 timer IC which is utilized as an astable multivibrator of a center frequency of about 300Hz. The frequency is controlled by the pin 5.... -
This is a design for fire alarm circuit. This circuit is based on a LDR and lamp pair for sensing the fire. The alarm will works by sensing the smoke produced during fire. The circuit produces an audible alarm when the fire breaks out with smoke. This is the.... -
FM Modulator circuit is a simple FM modulation circuit using IC 555, where the resulting modulated signal has a tenuous meeting depends on the signal frequency information. The resulting signal can be spelled out quite nice and stable so that the result will.... -
A actual simple metal detector cyberbanking activity can be advised application a simple 555 timer chip ambit. As you can see in the schematic ambit, this cyberbanking activity requires few alien cyberbanking genitalia. .. -
The main part of this circuit Doorbell two timer NE555 ICs. When someone hit the switch S1 momentarily, the speaker emits a sound of the bell, if the time period of the monostable multivibrator built around IC1. When the switch S1 pressed, IC1 is enabled in.... -
Dark Detector with LM555 . This is a dark detector circuit. This circuit will generate sound if no light source and silence when light falling on CdS. CdS : Cadmium sulphide or cadmium... -
Power pulse circuit by LM350 and NE555 . This circuit can use to drive lamp,power LED,DC motor etc. Adjust R5 for output amplitude.Adjust R1 for output power .The LM350 is adjustable 3-terminal... -
This is a basic 555 squarewave oscillator used to produce a 1 Khz tone from an 8 ohm speaker. In the circuit on the left, the speaker is isolated from the oscillator by the NPN medium power transistor which also provides more current than can be obtained.... -
Remote control circuit consists of two parts, one is transmitter and the other is receiver. A simple diagram is schematic remote control. The transmitter circuit`s transmitter IC is controlled by NE555. Receiver circuit works by the signal emitted frequency.... -
This is a simple LED flasher project that uses a common 555 timer IC for its operation. It is configured as an astable mode which means that its output is a square wave oscillator. Two LEDs are connected to its output in such a way that when one LED is ON,....
New Circuits
-
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
Popular Circuits
Transmitter operation. Operating power for the transmitter circuit is derived directly from the...
In this one, servo is programmed to be controlled by two buttons, one turns servo to the left and...
We are planning to use a Programmable Logic Device to control our seven-segment displays. This...
When the input voltage is 198- 242V, the mean value of the load current is 0. 5- 1A, the mean...
A simple low end Audio Function Generator. I want to be able to use the Sine Wave output to test...
DC current (Battery) is needed by the carbon transmitter to make the phone work. The way the...
If a transistor junction operating in Zener breakdown is used as a noise source, the amplitude of...
The Nutchip decodes the signal, differentiating between immediate and delayed sensors (aside from...
DF data transmission module operates at 315MHz, the use of surface acoustic wave resonator SAW...