Digital delay circuit lamp circuit 3
Posted on Mar 28, 2007
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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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The circuit consists of a variable current source that charges a capacitor, which is rapidly...
Deep discharge can damage a rechargeable battery. By disconnecting the battery from its load,...
Touch Alarm circuit is widely used for security, which is installed on the door. The advantages...
A couple of changes on the dead band and Pulse Stretcher resistors, and the Position feedback...
One of the most insidious problems in an audio system is one or more ground loops. They not only...
This fan regulator circuit will automatically control the speed of your fan according to the...
Normal operation of the light switch gives gentle illumination (LA1). For more light, simply turn...
A bridge rectifier "pack" is highly recommended over constructing a bridge rectifier circuit from...
This can be a thin strand of wire, like one of the copper "hairs" from a section of lamp cord,...
Designing and building an AM Broadcast Sucker-outer. The undesired AM broadcast signal is shunted...
The Tupperware Turret circuit is as simple as things can get whilst still maintaining full...
32.FM radio circuit ; FM radio tuning circuit circuit (2) FET circuit in FM radio application...
By inverter Gl, delay and width morning circuit 02 (CD4069) and RC integrating circuit...
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