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Delay equalizer circuit – Circuit Schematic
Delay equalizer circuit
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Timer Garage Door Circuit Schematic Diagram – Circuit Schematic
Timer Garage Door Circuit Schematic Diagram
Timer Garage Door Circuit schematic diagram, printed circuit board...
Control Relay Circuit with 9 Second Schematic Diagram – Circuit Schematic
Control Relay Circuit with 9 Second Schematic Diagram
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Low Voltage High Current Time Delay Circuit – Circuit Schematic
Low Voltage High Current Time Delay Circuit
In this circuit a LM339 quad voltage comparator is used to generate a time delay and control a high current output at low voltage. Approximatey 5 amps of curren...
CD4040 Generating Long Time Delays Circuit – Circuit Schematic
CD4040 Generating Long Time Delays Circuit
Generating long delays of several hours can be accomplished by using a low frequency oscillator and a binary counter as shown below. A single Schmitt Trigger in...
Adjustable Analog Timer Circuit – Circuit Schematic
Adjustable Analog Timer Circuit
This Adjustable Analog Timer circuit starts timing when switched on. A green LED lights to show that timing is in progress. When the time period is over the gre...
Timer With On-Off Delay – Circuit Schematic
Timer With On-Off Delay
// 555 Timer With On Off Delay Circuit Here is a timer circuit using common IC 555. The circuit is designed to facilitate time adjustment of both....
Time delay relay circuit – Circuit Schematic
Time delay relay circuit
This time delay relay circuit is built with IC NE/SE555, produced by Intersil which contains a precision timer. Stability to temperature variations is 0.00....
Switch Timer For Bathroom Light – Circuit Schematic
Switch Timer For Bathroom Light
This 9-minute timer switch can be used to control the light in a toilet or bathroom. The timer is started by pushing S1 and stopped by pushing S1 again. If you ...
Protection Surge with Delay the relay using ic 4011 – Circuit Schematic
Protection Surge with Delay the relay using ic 4011
This circuit can be used to delay other appliances connected to the output of the relay. After working set To prevent equipment damage from....
On After Delay with Mosfet – Circuit Schematic
On After Delay with Mosfet
That be On After Delay Circuit. I uses mosfet in the circuit for delay easy more than the transistor. By have the work of the circuit be when press , S1 ,....
Two Cmos Based 24-Hour Timers – Circuit Schematic
Two Cmos Based 24-Hour Timers
A pair of multi-range timers offering periods of up to 24 hours and beyond. Both are essentially the same. The main difference is, that when the time runs out, ...
Repeating Timer No5 – Circuit Schematic
Repeating Timer No5
This circuit is a temperature controlled version of Repeating Timer No.3 . The light dependent resistor has been replaced by a temperature dependent resistor or...
Power-Off Time Delay Relay – Circuit Schematic
Power-Off Time Delay Relay
The two circuits illustrate opening a relay contact a short time after the ignition or ligh switch is turned off. The capacitor is charged and the relay is clos...
Amplifier Timer Circuit Schematic – Circuit Schematic
Amplifier Timer Circuit Schematic
This circuit turns-off an amplifier or any other device when a low level audio signal fed to its input is absent for 15 minutes at least. Pushing P1 the device ...
A Very Useful Timed Beeper Circuit Schematic – Circuit Schematic
A Very Useful Timed Beeper Circuit Schematic
This circuit is intended for alerting purposes after a certain time is elapsed. It is suitable for table games requiring a fixed time to answer a question, or t...
A Regularly Repeating Interval Timer – Circuit Schematic
A Regularly Repeating Interval Timer
This circuit has an adjustable output timer that will re-trigger at regular intervals. The output period can be anything from a fraction of a second to half-an-...
9 Second Digital Readout Countdown Timer – Circuit Schematic
9 Second Digital Readout Countdown Timer
This circuit provides a visual 9 second delay using a 7 segment digital readout LED. When the switch is closed, the CD4010 up/down counter is preset to 9 and th...
28 LED Clock Timer – Circuit Schematic
28 LED Clock Timer
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 hour...
Head light timer circuit – Circuit Schematic
Head light timer circuit
This circuit is a compact timer circuit that will keep the headlights of your car ON for about 1. 5 minutes and then turns it OFF. This circuit incorporated to ...