Timer Circuits
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This circuit displaying the sound generator which will simulate British police car siren. The circuit is built using 2 pieces of timer IC 555 to .... -
This is a games timer circuit diagram. When the games timer is RESET, two things must happen. The 4017 counter must go back to zero and the 4060 .... -
This circuit bellow include in the Relay Timer Circuit. One of the most commonly used circuits is that of the 555 Timer I.C. The circuit is .... -
The following circuit shows the Bedside Lamp Timer Circuit With CD4060 IC. 30 minutes operation, Blinking LED signals 6 last minutes before .... -
The following circuit shows a timer circuit with independent mark and space periods. This circuit based on the 7555 IC. Features: output high is calculated by T(on) = 0. 7 Ra Ct, output low is calculated by T(off) = 0. 7 Rb Ct, astable timer, (on) and (off).... -
The following circuit shows about Tachometer Circuit Project. This circuit built based on the 555 Timer IC. Features: monostable IC, voltage .... -
The following circuit shows about Flashing LED EGG Timer Circuit Diagram. This circuit using the 2N2646 transistors. Features: MPF112 FET .... -
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 Selective Timer Alarm Circuit. This circuit based on the 4060IC. Features: The alarm will automatically turn OFF after the .... -
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 PIR Sensor Timer Circuit Diagram. Features: simple circuit, more accurately, efficient. Component: Diode, .... -
The following circuit shows about Cat And Dog Repellent Timer Circuit Diagram. Features: high output ultrasonic transmitter, uses a standard 555 .... -
The following circuit shows about Cat And Dog Repellent Timer Circuit Diagram. Features: used to maintain a deep cycle battery from a solar panel, .... -
The following circuit shows about Airplane Flight Timer Circuit Diagram. Features:switches in the closed position, battery voltage in the safe .... -
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 .... -
This circuit shows about 4017 IC For Flip-Flop Timer Circuit DIagram. Features: Push-button S1 will discharge capacitor C1 through R2. Component: .... -
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 following circuit shows about CMOS 4060 IC For Repeating Interval Timer Circuit Diagram. Features: Based On The CMOS 4060 IC, 14-bit binary .... -
Description: AT89S52 For Bell Timer Circuit Diagram. Features: 7segment display is replaced with LCD display. DS1307, uses AT89S52 microcontroller and I2C .... -
The QAMI5516 is an integrated Demodulator decoder solution for digital cable receivers for compressed Video sound and data services. A QAM Demodulator performs IF to MPEG-2 block processing of QAM Carriers The demodulated stream is then processed by Video.... -
The SC9256 is phase-locked loop (PLL) LSIs for digital tuning systems (DTS) with built in 2 modulus prescalers. All functions ate controlled through 3 serial bus lines. These LSIs are used to configure high-performance digital tuning system. By Silan .. -
The purpose of this circuit is that of power a lamp or other apparatus for a given time (30 minutes in this case), and then to turn it off. It`s useful when reading at bed by night, turning off the bedside lamp automatically in case the reader falls asleep..... -
This circuit was developed since a number of visitors of this website requested a timer capable of emitting a beep after one, two, three minutes and so on, for jogging purposes. As shown in the Circuit diagram, SW1 is a 1 pole 9 ways Rotary Switch. Setting.... -
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This is a programmable clock timer circuit that uses individual LEDs to indicate hours and minutes. 12 LEDs can be arranged in a circle to represent the 12 hours of a clock face and an additional 12 LEDs can be arranged in an outer circle to indicate 5.... -
Simple to build, simple to make, nothing too complicated here. However you must use the CMOS type 555 timer designated the 7555, a normal 555 timer will not work here due to the resistor values. Also a low leakage type capacitor must be used for C1, and I.... -
A simple astable timer made with the 555, the mark (on) and space (off) values may be set independently. The timing chain consists of resistors Ra, Rb and capacitor Ct. The capacitor, Ct charges via Ra which is in series with the 1N4148 diode. The discharge....
New Circuits
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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.....
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