555 Timer Circuits
- Page 15-
The following circuit shows about Schematic Diagram Of LED Sequencer. This circuit based on the 555Timer IC. Features: 555 timer circuit to debounce a mechanical switch, 555 timer circuit to produce clock pulses, pulldown resistor, 4017 decade.... -
The following circuit shows about Set Timing Calculator Circuit. This Circuit based on the LM555IC. Features: provide a delay of approximately .... -
The following circuit shows about NE555 Timer For Electronic Scooring Game Circuit Diagram. Features:The circuit comprises a timer IC, with a .... -
The following circuit shows about Nixie low voltage PSU With 555 Timer IC. Features: The coil used in this schematics is bought in the shop, .... -
The following circuit shows about 555 Timer IC For RF Sweeper. Features: used a 1N4004 Diode, JF1OZL uses a pot for a fine frequency control .... -
The following circuit shows about 555 Timer IC For IR Detector Circuit. Features: duty cycle of 0.8mSec, frequency of 120Hz and 300 mA peak .... -
This circuit shows about Go-No/Go Tester Circuit With 555 Timer IC. Features: more advanced unit with a precise timed testing procedure. .... -
Description:This circuit shows about 7555 IC For 5 To 30 Minute Timer Circuit Diagram. Features: useful circuit because by using this circuit you can operate .... -
The CXG1024N is a high power Antenna Switch MMIC to connect TX/RX to one of 4 Antennas This IC is designed using the Sonys GaAs J-FET process and operates at a single positive power supply. By Sony Electronics .. -
This calculator computes the resistors and capacitors for a NE555 timer chip, which has been configured as a astable multivibrator (oscillator), or square wave generator. Just enter in the duty cycle and the frequency and the calculator will compute.... -
Can a 555 negative supply circuit, like the one below I pulled from another schematic, supply enough negative voltage to a LM324 and a AD736JN? I`m.... -
Most switch-mode power supplies rely on a PWM (pulse-width-modulated) output that is controlled via voltage feedback. A 555-timer IC can inexpensively perform PWM. The circuit in Figure 1 shows how to turn a 555 PWM circuit into an switch-mode power supply.... -
This circuit detects when a window is open (it can also be used with a door), indicates that the window is open by means of a red LED or a blinking LED, and emits a loud acoustic signal from an intermittent electronic buzzer to remind you to close the.... -
The circuit described here was designed as an addition to a remotely controlled garage door opener. The problem was that a brief burst of interference, arising from a thunderstorm or a mains spike, was enough to trigger the mechanism, and the author found.... -
555 low power timing circuit diagram The diagram is from the tech information of chinaicmart. IF for more detailed infomation of the circuit diagram.... -
In the following astable multivibrator circuit, in some books, it is mentioned that the duty cycle id d=( R1+R2)/(R1+2*R2) in some other books, it is.... -
Hello, Please help me, I have designed a very basic square wave generator to run a speedometer circuit board which is providing output to control a.... -
It is clearly not a standard astable multivibrator. Does nayone recognize this configuration? I would like to understand it better.... -
In the 555 datasheet they have a pulse width modulation circuit similar to this with the only difference being that they have pin 5 labelled as `audio .... -
I need to make a square-wave with variable frequency, but 50% duty cycle. The 555 timer seemed like a good idea, but with the normal astable multivibrator circuit you see everywhere, changing the frequency always ends up changing the duty cycle a bit..... -
This 555 timer based circuit is a kind of voltmeter, also an analog to digital converter, that converts the analog input voltage to digital output pulses .. -
The objective of the circuit is to build an electronic dice based on the functions of a 555 timer integrated circuit that operates in the astable mode. LM.... -
This mini metronome gives a linear scaled output and 40 to 208 beats per minute. 1- Q1 and Q2 transistors provide linear frequency variation of IC1 depend.... -
The circuit has been designed for telephone apparatus to indicate an incoming call as it rings using an LED for visual indication. BC550 an NPN general.... -
This 12V power inverter circuit can be used to power small power devices that need a 240 volts. It is very useful when you want to use a 240 volts consume.... -
The circuit presented here may provide a solution in a number of cases, since it can be used to convert a single-ended supply voltage into a balanced set of supply voltages. That`s not so remarkable by itself, but the special feature of this circuit is that.... -
This circuit enables the on/off times of a 555 timer to be independently varied over a wide range. This is not possible with a conventional 555 circuit wi.... -
This 555 timer clap switch circuit electronic project is designed using some common electronic parts. This 555 timer clap switch circuit electronic projec.... -
The circuit was designed to produce a circuit that will alarm a sleeping person to prevent snoring by using a vibrator instead of an audio alert so as not.... -
This is a short-range light barrier for use as an intruder alarm in doorposts, etc. The 555 in the transmitter (Figure 1) oscillates at about 4.5 kHz, sup....
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
This circuit turns a common oscilloscope into a versatile eight-channel display for direct...
Having your Arduino control higher-power devices like lights, motors, pumps, doors, and many more...
I have had a few inquiries about a low power FM transmitter, and this article should satisfy...
This basic VCO/waveform generator IC circuit includes a voltage follower loop (formed with IC1)...
This circuit indicates which of three voltages in the range from about about -4V to about +4V -...
This extremely simple FM radio receiver circuit is made possible by the special purpose TDA7000...
The basic techniques of designing electro-mechanical systems and to gain the knowledge on tuning...
This lab will demonstrate the theory and operation of non-inverting amplifiers as well as their...
As shown for the bandwidth of 10MHz broadband linear detection circuit. The circuit is the...