Big Ben Sound circuit
Posted on Oct 25, 2012
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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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This circuit is a simple adapter for PC parallel port to think that there is a printer connected...
This circuit is designed to trigger on a 1 khz tone. to change this frequency - refer to the...
In order to generate a single note you may try these simple circuits. With only three components...
Transistors Q1 and Q2 amplify the incoming signal, and the gain is such that the input will...
This circuit determines whether more than one input in a group of digital inputs is active. It...
This matrix can show the values of two variables, for example, frequency and voltage. The display...
It is a 32 Channel, 40Mhz, fully PCcontrolled TTL/CMOSlogic analyser with internal/external...
Most of the lovers, especially in audio electronics, it will never escape from this one component...
Up Alarm can be used to provide a audible alarm for when the sun comes up or it can be used in a...
Protect your valuable laptop against theft using this miniature alarm generator. Fixed in-side...
This project uses just one tube. However, the tube chosen (13EM7) actually contains two separate...
This circuit is intended to indicate the power output level of any audio amplifier. It is simple,...
This simple and slightly odd circuit can clearly show the level of the supply voltage (in a...
The PA output Pi section consists of 2 variable Cs (20 - 120pF and a second (home made) 50 -...
As shown in Figure 1 hour using a LM122 timer circuit. Start of the circuit, reset and stop...
As shown for the LM4911 no output capacitor (OCL) power circuit. Without an output capacitor...
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