Advertisement
Automatically Repeating Interval-Timer Circuit – Circuit Schematic
Automatically Repeating Interval-Timer Circuit
The Cmos 4060 IC has two built-in inverters - at pins 9, 10 and 11. They must be wired together to form an oscillator - the output of which is at Pin 9. While t...
A Repeating Timer Circuit – Circuit Schematic
A Repeating Timer Circuit
This circuit is based on a simple asymmetric oscillator. The length of time the relay remains energized - and the length of time it remains de-energized - are s...
commercial zapper using a 555 – Circuit Schematic
commercial zapper using a 555
...
Basic Monostable Multivibrator based IC timer 555 – Circuit Schematic
Basic Monostable Multivibrator based IC timer 555
A multivibrator is an electronic circuit used to implement a variety of simple two-state systems such as light emitting diodes, timers and flip-flops. The monos...
28 LED Clock Timer – Circuit Schematic
28 LED Clock Timer
28 LED Clock Timer Circuit This is a programmable clock timer circuit that uses individual LEDs to indicate hours and minutes. 12 LEDs can be arranged in a circ...
Electronic Buzzer with IC timer NE555 – Circuit Schematic
Electronic Buzzer with IC timer NE555
This easy electronic buzzer circuit built based on timer works for gaining the frequency. The IC timer NE 555 used as astable multivibrator operating at about 1...
ksb3 timer – Circuit Schematic
ksb3 timer
Knowing the three operational modes the 555 timer offers, it`s not hard to imagine its many applications in IC circuit designs: Oscillator: The 555 timer can be...
Fundamentals of Electrical Engineering and Monostable Multivibrator – Circuit Schematic
Fundamentals of Electrical Engineering and Monostable Multivibrator
This is one of the most basic 555 circuits. This circuit is part of this chips datasheet, complete with the math needed to design to specification, and is one o...
NE-555 Tutorials – Circuit Schematic
NE-555 Tutorials
Following in the footsteps of the "primitive" but quite successful 4 pin OM802 timer IC manufactured by the original SIGNETICS ITT - GEMINI chip fabrication pla...
Clock Circuit Design – Circuit Schematic
Clock Circuit Design
Your HVsupply will work, but for your own safety and to avoid accidental damage to your circuit if the event you need to troubleshoot with a scope, I strongly e...
ULTRASONIC PEST REPELLER – Circuit Schematic
ULTRASONIC PEST REPELLER
This circuit is a 555 timer IC connected as a square-wave generator. Its base frequency is approximately 45 kHz, as determined by the values of R1, R2, and C1. ...
PULSE POSITION MODULATOR – Circuit Schematic
PULSE POSITION MODULATOR
This application uses the timer connected for astable (free-running) operation, with a modulating signal again applied to the control voltage terminal. The puls...
SEQUENTIAL TIMER – Circuit Schematic
SEQUENTIAL TIMER
The timer circuit shown gives independent control of the output`s on and off intervals, which can range from 0. 055 seconds to 30 minutes, relatively unaffected...
AC DIGITAL CLOCK WITH STANDBY BATTERY – Circuit Schematic
AC DIGITAL CLOCK WITH STANDBY BATTERY
Uses MM5316 alarm-clock IC, originally designed to drive LCD or fluorescent displays, but modified here for LED display Diodes and batteries provide power if AC...
TRAFFIC LIGHT SEQUENCER CIRCUIT – Circuit Schematic
TRAFFIC LIGHT SEQUENCER CIRCUIT
This circuit uses a 555 timer to drive a 4017 counter. The counter outputs drive transistor relay drivers. Time lights "on" can be proportioned by changing conn...
Astable – Circuit Schematic
Astable
This plugin consists of a single 555 Astable. This plugin is very versatile, and can be used for any number of things, but it often is used to give a clock to r...
thyristor trigger circuit schematic diagram – Circuit Schematic
thyristor trigger circuit schematic diagram
The circuit takes its input from the "zero-crossing detector", which provides it with a 0-to-1-to-0 pulse to "set" the R-S flip-flop and release the ramp circui...
Game Circuits – Circuit Schematic
Game Circuits
Here is a really simple game show timer designed with the beginner in mind! The power source is an ordinary 12 volt lantern battery or battery pack made up of C...
About Area 50 – Circuit Schematic
About Area 50
This circuit divides a 10 MHz reference to 1, 10, 100 or 1000 pulses per second. The pulse width is also jumper selectable with lots of choices. A sync input wi...
Line Ripple Clock – Circuit Schematic
Line Ripple Clock
This circuit converts the ripple from a wall wart supply to a clean Line x 2 digitial clock. Doing it this way eliminates the need to put AC into the unit which...