Advertisement
A Tan TimerCircuit – Circuit Schematic
A Tan TimerCircuit
Six timing positions suited to different skin types, Timing affected by sunlight intensity This timer was designed for people wanting to get tanned but at.....
A Bedside Lamp Timer Circuit Schematic – Circuit Schematic
A Bedside Lamp Timer Circuit Schematic
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...
IR Interval Timer for Pentax DSLR Camera – Circuit Schematic
IR Interval Timer for Pentax DSLR Camera
This project aims to build an IR interval timer which can be used to capture images such as time lapse movies of sunrise or sunrise and the night sky. The.....
4 time ON-OFF relay circuit – Circuit Schematic
4 time ON-OFF relay circuit
guys i need a 2 circuit the one is when power applied the timer will trigger and the relay will remain off when the timer runs out the relay will turn .....
555 low power timing circuit diagram – Circuit Schematic
555 low power timing circuit diagram
555 low power timing circuit diagram The diagram is from the tech information of chinaicmart. IF for more detailed infomation of the circuit diagram.....
Switching Delay Used by 555 Timer IC – Circuit Schematic
Switching Delay Used by 555 Timer IC
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 ...
Numitron Clock with Battery Back-up – Circuit Schematic
Numitron Clock with Battery Back-up
The idea was that you removed the center page from the magazine and cut it into four pieces to obtain a card that would fit into a filing system. The front side...
games timer 2 – Circuit Schematic
games timer 2
Circuits using large value resistor/capacitor combinations are not very accurate because of the wide tolerance and leakage current of polarised capacitors. A be...
delay circuit for photography – Circuit Schematic
delay circuit for photography
This article describes how to build a simple uC based delay circuit for photographic applications like drop or high speed photography. It can be used to control...
delay – Circuit Schematic
delay
This article describes how to build a simple uC based delay circuit for photographic applications like drop or high speed photography. It can be used to control...
DVR IR Motion Trigger – Circuit Schematic
DVR IR Motion Trigger
A client needed a timer to keep his DVR enabled and recording when the IR motion detector output a pulse. A timer was required to maintain a low signal level fo...
Simple B+ delay circuit for tube power amp – Circuit Schematic
Simple B+ delay circuit for tube power amp
There is a mod to the RC delay circuits some of you may want to consider. If you wish to have a shorter discharge time so that the circuit restarts.....
Repeating Interval Timers – Circuit Schematic
Repeating Interval Timers
Do not use the "on-board" relay to switch mains voltage. The board`s layout does not offer sufficient isolation between the relay contacts and the low-voltage c...
24 Hour Timers – Circuit Schematic
24 Hour Timers
...
5 to 30 Minute Timers – Circuit Schematic
5 to 30 Minute Timers
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 wor...
Jogging Timers – Circuit Schematic
Jogging Timers
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 ...
Timed Beepers – Circuit Schematic
Timed Beepers
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...
Bedside Lamp Timers – Circuit Schematic
Bedside Lamp Timers
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 rea...
Time Delay Relay IIs – Circuit Schematic
Time Delay Relay IIs
...
Time Delay Relays – Circuit Schematic
Time Delay Relays
...