Complementary lighting control
Posted on Aug 10, 2012
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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We are going to build a START-STOP drive (as commonly found in professional tools), that is a...
This Car LED Light Sequencer uses a standard 74C164 8 bit shift register as its heart of...
First you need a mechanical power source like a turbine(powered by water falling), wind turbine,...
This circuit is based on a very old application note from exar, in this the frequency is fixed by...
You may be wondering why I am using four tubes. The reason is to get 50 watts without pushing...
For circuits using TTL ICs the supply voltage is a great concern and a slight increase in supply...
When the phototransistor is stroken by IR light it conducts and the voltage between the 1Mohm...
A portion of the op amp`s output signal is rectified by the 1N4148 diodes, then filtered and fed...
1995 camaro, just swapped the engine/ trans with cradle from a 1994. I didn`t take off any plugs...
This ISP Programmer can be used either for in-system programming or as a stand-alone spi...
One of the principal choices in phono preamplifier design is between active (feedback) and...
This circuit will drive a relay coil from a low power output, usually from an IC like 555 or a...
This sawtooth wave generator gives not only the sweep signal at out 1, but also a synchronization...
Low Voltage Differential Signaling (LVDS) interface is a digital video signal transmission...
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