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SIMPLE DELAY TIMER FOR ONE MINUTE – Circuit Schematic
SIMPLE DELAY TIMER FOR ONE MINUTE
A Simple Transistorized one Minute Delay Timer Circuit. It doesn`t include any complex or critical parts. You can use this circuit to generate a time delay of a...
APPLIANCE CONTROL USING TIMER - PROJECT – Circuit Schematic
APPLIANCE CONTROL USING TIMER - PROJECT
I am going to present you fabulous Electronic project, DEVICE CONTROL USING TIMER. By using this circuit you can turn ON an appliance at a desired time for a sp...
12v 10 minute Off-Delay timer – Circuit Schematic
12v 10 minute Off-Delay timer
I have an Xbox 360 console which used to have a problem with the 3RLOD, I decided to remove the stock heatsinks and install a Koolance external water cooling sy...
Timer Circuit – Circuit Schematic
Timer Circuit
I don`t the right place to post this but I`ll try my luck here: I`m looking to build a timer for a pump. I want the pump to run for 5 minutes, then.....
automatic turn off relay – Circuit Schematic
automatic turn off relay
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Pills Reminder – Circuit Schematic
Pills Reminder
A Pills Reminder is a device that operates a flashing LED (and/or a beeper) at a fixed hour interval. A choice of time-intervals as wide as possible is availabl...
Multipurpose Flip-Flop Timer – Circuit Schematic
Multipurpose Flip-Flop Timer
This particular timing circuit can be used to time one-shot events from a few seconds to a few hours. And in standby mode (ie, with RLY1 and LED1 off), its powe...
Car Headlights Timer Circuit Schematic – Circuit Schematic
Car Headlights Timer Circuit Schematic
This device is a simple timer, allowing to keep on the headlights of your vehicle for about 1min. and 30sec. , e. g. when accessing some dark place, without the...
24 Hour Timer – Circuit Schematic
24 Hour Timer
These two circuits are multi-range timers offering periods of up to 24 hours and beyond. Both are essentially the same. The main difference is that when the tim...
Programmable time-lapse camera controller – Circuit Schematic
Programmable time-lapse camera controller
With a few basic hand tools and a digital camera, this programmable camera controller project is for you. By using components already available at home, costs m...
Timers for Rocket Ejection – Circuit Schematic
Timers for Rocket Ejection
This can be a thin strand of wire, like one of the copper "hairs" from a section of lamp cord, which is wired to the altimeter by terminals somewhere on the roc...
555 timer based light seeking robot – Circuit Schematic
555 timer based light seeking robot
The schematic diagram of this robot is very simple to understand. As I had mentioned earlier I just modified a circuit from on of the books to create.....
Periodic Timer Timing – Circuit Schematic
Periodic Timer Timing
This timer circuit is similar to the 5 to 30 minute timer except that when switch S1 is closed, the on/off action of the circuit will continue indefinitely unti...
24 Hour Timer Timing – Circuit Schematic
24 Hour Timer Timing
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Delay Loops – Circuit Schematic
Delay Loops
There is one slight drawback to our flashing LED program. Each instruction takes one clock cycle to complete. If we are using a 4MHz crystal, then each instruct...
Long Delay Timer Circuit – Circuit Schematic
Long Delay Timer Circuit
This timer was designed mainly to switch off a portable radio after some time: in this way, one can fall asleep on the sand or on a hammock, resting assured tha...
Amplifier Timer Circuit – Circuit Schematic
Amplifier Timer Circuit
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 – Circuit Schematic
A Very Useful Timed Beeper Circuit
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 Tan Timer Circuit – Circuit Schematic
A Tan Timer Circuit
This timer was designed for people wanting to get tanned but at the same time wishing to avoid an excessive exposure to sunlight. A Rotary Switch sets the timer...
A Bedside Lamp Timer Circuit – Circuit Schematic
A Bedside Lamp Timer Circuit
The purpose of this circuit is to power a lamp or other appliance for a given time (30 minutes in this case), and then to turn it off. It is useful when reading...