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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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Bartels AutoEngineer® (BAE) is a famous EDA/CAE/CAD/CAM software system for schematic capture,...
The clock will have 6 digits and time setting will be done by means of a few buttons. I will try...
There is no PCB since there are no components to mount on one. the object was to create a source...
DAC is short for Digital to Analog Converter. In this article we play around the code Michael...
The head will be powered by servomotors and will be built from sheet plastic, metal or plywood....
This Hi Fi stereo preamplifier ambit is congenital with TDA1054 IC from SGS. TDA1054 is a 16-pin...
Decided to quench my curiosity and see if a PICAXE-18X chip running at 4Mhz. was capable of this...
Using LM833 can be designed a very simple tone control circuit using few external components. For...
This circuit drives as many as four white LEDs in parallel from a 3. 3V source, and adjusts the...
A meter is a measuring instrument. An ammeter measures current, a voltmeter measures the...
The circuit featured here is very useful to save you from burning your tongue. The coffee...
A low pass filter is merely a stable state-space system that has an input and spits out an...
The example circuit is for an automatic animal feeder. When the animal pushes the switch the...
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