LED indication Integrated Circuits
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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This Alarm can be used to protect your property, Inside or Outside. And it can protect a Very...
I used the original board layout shown in the magazine article as well as the original driver...
The broadband amplifier NE592 can be used also for building a simple selective audio amplifier....
Many a times one needs an extra telephone ringer in an ad joining room to know if there is an...
The circuit generates a warble-tone alarm signal that simulates the sound of a British police...
This is the diagram od electro-harmonix graphic equalizer. You can specify the number of channels...
Design a Colpitts Oscillator in a common collector configuration using a single BJT. Provide base...
If you have an application in which a MOSFET is already used to switch a load, it is relatively...
This power monitor device provides accurate voltage and current monitoring of positive supply...
We tested a regular charger and found that it consumed 13mA with no load. Like many others, it...
This project uses a magnetic reed switch, a NerdKit, and set of computer speakers to frighten...
220V AC by Rl and R2 partial pressure, VD half-wave rectifier, the capacitor C in the left ends...
Circuit diagram for the DC power supply protection circuit. The device consists of buck...
Electronic calculator with automatic counting of the interface circuit shown in Figure. Figure...
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